var-201912-0619
Vulnerability from variot
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution. Apple Has released an update for each product.The expected impact depends on each vulnerability, but can be affected as follows: * Insufficient access restrictions * Privilege escalation * Service operation interruption (DoS) * Sandbox avoidance * Information falsification * information leak * Arbitrary code execution. WebKit is prone to a information-disclosure and multiple memory-corruption vulnerabilities. Successful exploits may allow attackers to obtain sensitive information or execute arbitrary code in the context of the affected system. Failed exploit attempts will likely cause a denial-of-service condition. Apple iOS, etc. are all products of Apple (Apple). Apple iOS is an operating system developed for mobile devices. Apple tvOS is a smart TV operating system. Apple macOS Mojave is a dedicated operating system developed for Mac computers. A buffer error vulnerability exists in the WebKit component of several Apple products. This vulnerability stems from the incorrect verification of data boundaries when the network system or product performs operations on the memory, resulting in incorrect read and write operations to other associated memory locations. Attackers can exploit this vulnerability to cause buffer overflow or heap overflow, etc. The following products and versions are affected: Apple iOS prior to 12.3; macOS Mojave prior to 10.14.5; tvOS prior to 12.3; Safari prior to 12.1.1. WebKitGTK and WPE WebKit prior to version 2.24.1 failed to properly apply configured HTTP proxy settings when downloading livestream video (HLS, DASH, or Smooth Streaming), an error resulting in deanonymization. This issue was corrected by changing the way livestreams are downloaded. (CVE-2019-6237) WebKitGTK and WPE WebKit prior to version 2.24.1 are vulnerable to address bar spoofing upon certain JavaScript redirections. An attacker could cause malicious web content to be displayed as if for a trusted URI. This is similar to the CVE-2018-8383 issue in Microsoft Edge. (CVE-2019-8601) An out-of-bounds read was addressed with improved input validation. (CVE-2019-8644) A logic issue existed in the handling of synchronous page loads. (CVE-2019-8689) A logic issue existed in the handling of document loads. (CVE-2019-8719) This fixes a remote code execution in webkitgtk4. No further details are available in NIST. This issue is fixed in watchOS 6.1. This issue is fixed in watchOS 6.1. This issue is fixed in watchOS 6.1. (CVE-2019-8766) "Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Catalina 10.15. A user may be unable to delete browsing history items. (CVE-2019-8768) An issue existed in the drawing of web page elements. Visiting a maliciously crafted website may reveal browsing history. (CVE-2019-8769) This issue was addressed with improved iframe sandbox enforcement. (CVE-2019-8846) WebKitGTK up to and including 2.26.4 and WPE WebKit up to and including 2.26.4 (which are the versions right prior to 2.28.0) contains a memory corruption issue (use-after-free) that may lead to arbitrary code execution. (CVE-2020-10018) A use-after-free flaw exists in WebKitGTK. A malicious website may be able to cause a denial of service. A DOM object context may not have had a unique security origin. A file URL may be incorrectly processed. (CVE-2020-3885) A race condition was addressed with additional validation. An application may be able to read restricted memory. (CVE-2020-3901) An input validation issue was addressed with improved input validation. (CVE-2020-3902). JavaScriptCore: AIR optimization incorrectly removes assignment to register
While fuzzing JavaScriptCore, I encountered the following JavaScript program which crashes jsc from current HEAD (git commit 3c46422e45fef2de6ff13b66cd45705d63859555) in debug and release builds (./Tools/Scripts/build-jsc --jsc-only [--debug or --release]):
// Run with --useConcurrentJIT=false --thresholdForJITAfterWarmUp=10 --thresholdForFTLOptimizeAfterWarmUp=1000
function v0(v1) {
function v7(v8) {
function v12(v13, v14) {
const v16 = v14 - -0x80000000;
const v19 = [13.37, 13.37, 13.37];
function v20() {
return v16;
}
return v19;
}
return v8(v12, v1);
}
const v27 = v7(v7);
}
for (let i = 0; i < 100; i++) {
v0(i);
}
It appears that what is happening here is roughly the following:
Initially, the call to v12 is inlined and the IR contains (besides others) the following instructions for the inlined v12:
1 <- GetScope()
2 <- CreateActivation(1)
3 <- GetLocal(v14)
4 <- JSConstant(-0x80000000)
5 <- ValueSub(3, 4)
6 <- NewArrayBuffer(...)
Here, The CreateActivation instruction allocates a LexicalEnvironment object on the heap to store local variables into. The NewArrayBuffer allocates backing memory for the array. Next, the subtraction is (incorrectly?) speculated to not overflow and is thus replaced by an ArithSub, an instruction performing an integer subtraction and bailing out if an overflow occurs:
1 <- GetScope()
2 <- CreateActivation(1)
3 <- GetLocal(v14)
4 <- JSConstant(-0x80000000)
5 <- ArithSub(3, 4)
6 <- NewArrayBuffer(...)
Next, the object allocation sinking phase runs, which determines that the created activation object doesn't leave the current scope and thus doesn't have to be allocated at all. It then replaces it with a PhancomCreateActivation, a node indicating that at this point a heap allocation used to happen which would have to be restored ("materialized") during a bailout because the interpreter/baseline JIT expects it to be there. As the scope object is required to materialize the Activation, a PutHint is created which indicates that during a bailout, the result of GetScope must be available somehow.
1 <- GetScope()
2 <- PhantomCreateActivation()
7 <- PutHint(2, 1)
3 <- GetLocal(v14)
4 <- JSConstant(-0x80000000)
5 <- ArithSub(3, 4)
6 <- NewArrayBuffer(...)
The DFG IR code is then lowered to B3, yielding the following:
Int64 @66 = Const64(16, DFG:@1)
Int64 @67 = Add(@35, $16(@66), DFG:@1)
Int64 @68 = Load(@67, ControlDependent|Reads:28, DFG:@1)
Int32 @69 = Const32(-2147483648, DFG:@5)
Int32 @70 = CheckSub(@48:WarmAny, $-2147483648(@69):WarmAny, @35:ColdAny, @48:ColdAny, @68:ColdAny, @41:ColdAny, ...)
Int64 @74 = Patchpoint(..., DFG:@6)
Here, the first three operations fetch the current scope, the next two instruction perform the checked integer subtraction, and the last instruction performs the array storage allocation. Note that the scope object (@68) is an operand for the subtraction as it is required for the materialization of the activation during a bailout. The B3 code is then (after more optimizations) lowered to AIR:
Move %tmp2, (stack0), @65
Move 16(%tmp2), %tmp28, @68
Move $-2147483648, %tmp29, $-2147483648(@69)
Move %tmp4, %tmp27, @70
Patch &BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %tmp27, %tmp2, %tmp4, %tmp28, %tmp5, @70
Patch &Patchpoint2, %tmp24, %tmp25, %tmp26, @74
Then, after optimizations on the AIR code and register allocation:
Move %rax, (stack0), @65
Move 16(%rax), %rdx, @68
Patch &BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %rcx, %rax, %rcx, %rdx, %rsi, @70
Patch &Patchpoint2, %rax, %rcx, %rdx, @74
Finally, in the reportUsedRegisters phase (AirReportUsedRegisters.cpp), the following happens
- The register rdx is marked as "lateUse" for the BranchSub32 and as "earlyDef" for the Patchpoint (this might ultimately be the cause of the issue). "early" and "late" refer to the time the operand is used/defined, either before the instruction executes or after.
- As such, at the boundary (which is where register liveness is computed) between the last two instructions, rdx is both defined and used.
-
Then, when liveness is computed (in AirRegLiveness.cpp) for the boundary between the Move and the BranchSub32, rdx is determined to be dead as it is not used at the boundary and defined at the following boundary:
// RegLiveness::LocalCalc::execute void execute(unsigned instIndex) { m_workset.exclude(m_actions[instIndex + 1].def); m_workset.merge(m_actions[instIndex].use); }
As a result, the assignment to rdx (storing the pointer to the scope object), is determined to be a store to a dead register and is thus discarded, leaving the following code:
Move %rax, (stack0), @65
Patch &BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %rcx, %rax, %rcx, %rdx, %rsi, @70
Patch &Patchpoint2, %rax, %rcx, %rdx, @74
As such, whatever used to be in rdx will then be treated as a pointer to a scope object during materialization of the activation in the case of a bailout, leading to a crash similar to the following:
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xbbadbeef)
* frame #0: 0x0000000101a88b20 JavaScriptCore`::WTFCrash() at Assertions.cpp:255
frame #1: 0x00000001000058fb jsc`WTFCrashWithInfo((null)=521, (null)="../../Source/JavaScriptCore/runtime/JSCJSValueInlines.h", (null)="JSC::JSCell *JSC::JSValue::asCell() const", (null)=1229) at Assertions.h:560
frame #2: 0x000000010000bdbb jsc`JSC::JSValue::asCell(this=0x00007ffeefbfcf78) const at JSCJSValueInlines.h:521
frame #3: 0x0000000100fe5fbd JavaScriptCore`::operationMaterializeObjectInOSR(exec=0x00007ffeefbfd230, materialization=0x0000000106350f00, values=0x00000001088e7448) at FTLOperations.cpp:217
frame #4: ...
(lldb) up 2
frame #2: 0x000000010000bdbb jsc`JSC::JSValue::asCell(this=0x00007ffeefbfcf78) const at JSCJSValueInlines.h:521
(lldb) p *this
(JSC::JSValue) $2 = {
u = {
asInt64 = -281474976710656
ptr = 0xffff000000000000
asBits = (payload = 0, tag = -65536)
}
}
In this execution, the register rdx contained the value 0xffff000000000000, used in the JITed code as a mask to e.g. quickly determine whether a value is an integer. However, depending on the compiled code, the register could store different (and potentially attacker controlled) data. Moreover, it might be possible to trigger the same misbehaviour in other situations in which the dangling register is expected to hold some other value.
This particular sample seems to require the ValueSub DFG instruction, introduced in git commit 5ea7781f2acb639eddc2ec8041328348bdf72877, to produce this type of AIR code. However, it is possible that other DFG IR operations can result in the same AIR code and thus trigger this issue. I have a few other samples that appear to be triggering the same bug with different thresholds and potentially with concurrent JIT enabled which I can share if that is helpful.
Related CVE Numbers: CVE-2019-8611.
Authored By saelo . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
APPLE-SA-2019-5-13-3 tvOS 12.3
tvOS 12.3 is now available and addresses the following:
AppleFileConduit Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2019-8593: Dany Lisiansky (@DanyL931)
CoreAudio Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted movie file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2019-8585: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative
Disk Images Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8560: Nikita Pupyshev of Bauman Moscow State Technological University
Kernel Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A use after free issue was addressed with improved memory management. CVE-2019-8605: Ned Williamson working with Google Project Zero
Kernel Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8576: Brandon Azad of Google Project Zero, unho Jang and Hanul Choi of LINE Security Team
Kernel Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to cause unexpected system termination or write kernel memory Description: A type confusion issue was addressed with improved memory handling. CVE-2019-8591: Ned Williamson working with Google Project Zero
MobileInstallation Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to modify protected parts of the file system Description: A validation issue existed in the handling of symlinks. CVE-2019-8568: Dany Lisiansky (@DanyL931)
MobileLockdown Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to gain root privileges Description: An input validation issue was addressed with improved input validation. CVE-2019-8637: Dany Lisiansky (@DanyL931)
SQLite Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to gain elevated privileges Description: An input validation issue was addressed with improved memory handling. CVE-2019-8577: Omer Gull of Checkpoint Research
SQLite Available for: Apple TV 4K and Apple TV HD Impact: A maliciously crafted SQL query may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2019-8600: Omer Gull of Checkpoint Research
SQLite Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to read restricted memory Description: An input validation issue was addressed with improved input validation. CVE-2019-8598: Omer Gull of Checkpoint Research
SQLite Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to elevate privileges Description: A memory corruption issue was addressed by removing the vulnerable code. CVE-2019-8602: Omer Gull of Checkpoint Research
sysdiagnose Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2019-6237: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative CVE-2019-8619: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab CVE-2019-8622: Samuel Groß of Google Project Zero CVE-2019-8623: Samuel Groß of Google Project Zero CVE-2019-8628: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab
Wi-Fi Available for: Apple TV 4K and Apple TV HD Impact: A device may be passively tracked by its WiFi MAC address Description: A user privacy issue was addressed by removing the broadcast MAC address. CVE-2019-8620: David Kreitschmann and Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt
Additional recognition
CoreFoundation We would like to acknowledge Vozzie and Rami and m4bln, Xiangqian Zhang, Huiming Liu of Tencent's Xuanwu Lab for their assistance.
Kernel We would like to acknowledge Brandon Azad of Google Project Zero and an anonymous researcher for their assistance.
MediaLibrary We would like to acknowledge Angel Ramirez and Min (Spark) Zheng, Xiaolong Bai of Alibaba Inc. for their assistance.
MobileInstallation We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance.
Installation note:
Apple TV will periodically check for software updates. Alternatively, you may manually check for software updates by selecting "Settings -> System -> Software Update -> Update Software."
To check the current version of software, select "Settings -> General -> About."
Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE-----
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.
Installation note:
Safari 12.1.1 may be obtained from the Mac App Store. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Moderate: webkitgtk4 security, bug fix, and enhancement update Advisory ID: RHSA-2020:4035-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4035 Issue date: 2020-09-29 CVE Names: CVE-2019-6237 CVE-2019-6251 CVE-2019-8506 CVE-2019-8524 CVE-2019-8535 CVE-2019-8536 CVE-2019-8544 CVE-2019-8551 CVE-2019-8558 CVE-2019-8559 CVE-2019-8563 CVE-2019-8571 CVE-2019-8583 CVE-2019-8584 CVE-2019-8586 CVE-2019-8587 CVE-2019-8594 CVE-2019-8595 CVE-2019-8596 CVE-2019-8597 CVE-2019-8601 CVE-2019-8607 CVE-2019-8608 CVE-2019-8609 CVE-2019-8610 CVE-2019-8611 CVE-2019-8615 CVE-2019-8619 CVE-2019-8622 CVE-2019-8623 CVE-2019-8625 CVE-2019-8644 CVE-2019-8649 CVE-2019-8658 CVE-2019-8666 CVE-2019-8669 CVE-2019-8671 CVE-2019-8672 CVE-2019-8673 CVE-2019-8674 CVE-2019-8676 CVE-2019-8677 CVE-2019-8678 CVE-2019-8679 CVE-2019-8680 CVE-2019-8681 CVE-2019-8683 CVE-2019-8684 CVE-2019-8686 CVE-2019-8687 CVE-2019-8688 CVE-2019-8689 CVE-2019-8690 CVE-2019-8707 CVE-2019-8710 CVE-2019-8719 CVE-2019-8720 CVE-2019-8726 CVE-2019-8733 CVE-2019-8735 CVE-2019-8743 CVE-2019-8763 CVE-2019-8764 CVE-2019-8765 CVE-2019-8766 CVE-2019-8768 CVE-2019-8769 CVE-2019-8771 CVE-2019-8782 CVE-2019-8783 CVE-2019-8808 CVE-2019-8811 CVE-2019-8812 CVE-2019-8813 CVE-2019-8814 CVE-2019-8815 CVE-2019-8816 CVE-2019-8819 CVE-2019-8820 CVE-2019-8821 CVE-2019-8822 CVE-2019-8823 CVE-2019-8835 CVE-2019-8844 CVE-2019-8846 CVE-2019-11070 CVE-2020-3862 CVE-2020-3864 CVE-2020-3865 CVE-2020-3867 CVE-2020-3868 CVE-2020-3885 CVE-2020-3894 CVE-2020-3895 CVE-2020-3897 CVE-2020-3899 CVE-2020-3900 CVE-2020-3901 CVE-2020-3902 CVE-2020-10018 CVE-2020-11793 ==================================================================== 1. Summary:
An update for webkitgtk4 is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, s390x Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch
- Description:
WebKitGTK+ is port of the WebKit portable web rendering engine to the GTK+ platform. These packages provide WebKitGTK+ for GTK+ 3.
The following packages have been upgraded to a later upstream version: webkitgtk4 (2.28.2). (BZ#1817144)
Security Fix(es):
- webkitgtk: Multiple security issues (CVE-2019-6237, CVE-2019-6251, CVE-2019-8506, CVE-2019-8524, CVE-2019-8535, CVE-2019-8536, CVE-2019-8544, CVE-2019-8551, CVE-2019-8558, CVE-2019-8559, CVE-2019-8563, CVE-2019-8571, CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601, CVE-2019-8607, CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615, CVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8625, CVE-2019-8644, CVE-2019-8649, CVE-2019-8658, CVE-2019-8666, CVE-2019-8669, CVE-2019-8671, CVE-2019-8672, CVE-2019-8673, CVE-2019-8674, CVE-2019-8676, CVE-2019-8677, CVE-2019-8678, CVE-2019-8679, CVE-2019-8680, CVE-2019-8681, CVE-2019-8683, CVE-2019-8684, CVE-2019-8686, CVE-2019-8687, CVE-2019-8688, CVE-2019-8689, CVE-2019-8690, CVE-2019-8707, CVE-2019-8710, CVE-2019-8719, CVE-2019-8720, CVE-2019-8726, CVE-2019-8733, CVE-2019-8735, CVE-2019-8743, CVE-2019-8763, CVE-2019-8764, CVE-2019-8765, CVE-2019-8766, CVE-2019-8768, CVE-2019-8769, CVE-2019-8771, CVE-2019-8782, CVE-2019-8783, CVE-2019-8808, CVE-2019-8811, CVE-2019-8812, CVE-2019-8813, CVE-2019-8814, CVE-2019-8815, CVE-2019-8816, CVE-2019-8819, CVE-2019-8820, CVE-2019-8821, CVE-2019-8822, CVE-2019-8823, CVE-2019-8835, CVE-2019-8844, CVE-2019-8846, CVE-2019-11070, CVE-2020-3862, CVE-2020-3864, CVE-2020-3865, CVE-2020-3867, CVE-2020-3868, CVE-2020-3885, CVE-2020-3894, CVE-2020-3895, CVE-2020-3897, CVE-2020-3899, CVE-2020-3900, CVE-2020-3901, CVE-2020-3902, CVE-2020-10018, CVE-2020-11793)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
- Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
- Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: webkitgtk4-2.28.2-2.el7.src.rpm
x86_64: webkitgtk4-2.28.2-2.el7.i686.rpm webkitgtk4-2.28.2-2.el7.x86_64.rpm webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: webkitgtk4-doc-2.28.2-2.el7.noarch.rpm
x86_64: webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-devel-2.28.2-2.el7.i686.rpm webkitgtk4-devel-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: webkitgtk4-2.28.2-2.el7.src.rpm
x86_64: webkitgtk4-2.28.2-2.el7.i686.rpm webkitgtk4-2.28.2-2.el7.x86_64.rpm webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: webkitgtk4-doc-2.28.2-2.el7.noarch.rpm
x86_64: webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-devel-2.28.2-2.el7.i686.rpm webkitgtk4-devel-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: webkitgtk4-2.28.2-2.el7.src.rpm
ppc64: webkitgtk4-2.28.2-2.el7.ppc.rpm webkitgtk4-2.28.2-2.el7.ppc64.rpm webkitgtk4-debuginfo-2.28.2-2.el7.ppc.rpm webkitgtk4-debuginfo-2.28.2-2.el7.ppc64.rpm webkitgtk4-jsc-2.28.2-2.el7.ppc.rpm webkitgtk4-jsc-2.28.2-2.el7.ppc64.rpm
ppc64le: webkitgtk4-2.28.2-2.el7.ppc64le.rpm webkitgtk4-debuginfo-2.28.2-2.el7.ppc64le.rpm webkitgtk4-devel-2.28.2-2.el7.ppc64le.rpm webkitgtk4-jsc-2.28.2-2.el7.ppc64le.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.ppc64le.rpm
s390x: webkitgtk4-2.28.2-2.el7.s390.rpm webkitgtk4-2.28.2-2.el7.s390x.rpm webkitgtk4-debuginfo-2.28.2-2.el7.s390.rpm webkitgtk4-debuginfo-2.28.2-2.el7.s390x.rpm webkitgtk4-jsc-2.28.2-2.el7.s390.rpm webkitgtk4-jsc-2.28.2-2.el7.s390x.rpm
x86_64: webkitgtk4-2.28.2-2.el7.i686.rpm webkitgtk4-2.28.2-2.el7.x86_64.rpm webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-devel-2.28.2-2.el7.i686.rpm webkitgtk4-devel-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
noarch: webkitgtk4-doc-2.28.2-2.el7.noarch.rpm
ppc64: webkitgtk4-debuginfo-2.28.2-2.el7.ppc.rpm webkitgtk4-debuginfo-2.28.2-2.el7.ppc64.rpm webkitgtk4-devel-2.28.2-2.el7.ppc.rpm webkitgtk4-devel-2.28.2-2.el7.ppc64.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.ppc.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.ppc64.rpm
s390x: webkitgtk4-debuginfo-2.28.2-2.el7.s390.rpm webkitgtk4-debuginfo-2.28.2-2.el7.s390x.rpm webkitgtk4-devel-2.28.2-2.el7.s390.rpm webkitgtk4-devel-2.28.2-2.el7.s390x.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.s390.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.s390x.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: webkitgtk4-2.28.2-2.el7.src.rpm
x86_64: webkitgtk4-2.28.2-2.el7.i686.rpm webkitgtk4-2.28.2-2.el7.x86_64.rpm webkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm webkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm webkitgtk4-devel-2.28.2-2.el7.i686.rpm webkitgtk4-devel-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm webkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
noarch: webkitgtk4-doc-2.28.2-2.el7.noarch.rpm
These packages are GPG signed by Red Hat for security. References:
https://access.redhat.com/security/cve/CVE-2019-6237 https://access.redhat.com/security/cve/CVE-2019-6251 https://access.redhat.com/security/cve/CVE-2019-8506 https://access.redhat.com/security/cve/CVE-2019-8524 https://access.redhat.com/security/cve/CVE-2019-8535 https://access.redhat.com/security/cve/CVE-2019-8536 https://access.redhat.com/security/cve/CVE-2019-8544 https://access.redhat.com/security/cve/CVE-2019-8551 https://access.redhat.com/security/cve/CVE-2019-8558 https://access.redhat.com/security/cve/CVE-2019-8559 https://access.redhat.com/security/cve/CVE-2019-8563 https://access.redhat.com/security/cve/CVE-2019-8571 https://access.redhat.com/security/cve/CVE-2019-8583 https://access.redhat.com/security/cve/CVE-2019-8584 https://access.redhat.com/security/cve/CVE-2019-8586 https://access.redhat.com/security/cve/CVE-2019-8587 https://access.redhat.com/security/cve/CVE-2019-8594 https://access.redhat.com/security/cve/CVE-2019-8595 https://access.redhat.com/security/cve/CVE-2019-8596 https://access.redhat.com/security/cve/CVE-2019-8597 https://access.redhat.com/security/cve/CVE-2019-8601 https://access.redhat.com/security/cve/CVE-2019-8607 https://access.redhat.com/security/cve/CVE-2019-8608 https://access.redhat.com/security/cve/CVE-2019-8609 https://access.redhat.com/security/cve/CVE-2019-8610 https://access.redhat.com/security/cve/CVE-2019-8611 https://access.redhat.com/security/cve/CVE-2019-8615 https://access.redhat.com/security/cve/CVE-2019-8619 https://access.redhat.com/security/cve/CVE-2019-8622 https://access.redhat.com/security/cve/CVE-2019-8623 https://access.redhat.com/security/cve/CVE-2019-8625 https://access.redhat.com/security/cve/CVE-2019-8644 https://access.redhat.com/security/cve/CVE-2019-8649 https://access.redhat.com/security/cve/CVE-2019-8658 https://access.redhat.com/security/cve/CVE-2019-8666 https://access.redhat.com/security/cve/CVE-2019-8669 https://access.redhat.com/security/cve/CVE-2019-8671 https://access.redhat.com/security/cve/CVE-2019-8672 https://access.redhat.com/security/cve/CVE-2019-8673 https://access.redhat.com/security/cve/CVE-2019-8674 https://access.redhat.com/security/cve/CVE-2019-8676 https://access.redhat.com/security/cve/CVE-2019-8677 https://access.redhat.com/security/cve/CVE-2019-8678 https://access.redhat.com/security/cve/CVE-2019-8679 https://access.redhat.com/security/cve/CVE-2019-8680 https://access.redhat.com/security/cve/CVE-2019-8681 https://access.redhat.com/security/cve/CVE-2019-8683 https://access.redhat.com/security/cve/CVE-2019-8684 https://access.redhat.com/security/cve/CVE-2019-8686 https://access.redhat.com/security/cve/CVE-2019-8687 https://access.redhat.com/security/cve/CVE-2019-8688 https://access.redhat.com/security/cve/CVE-2019-8689 https://access.redhat.com/security/cve/CVE-2019-8690 https://access.redhat.com/security/cve/CVE-2019-8707 https://access.redhat.com/security/cve/CVE-2019-8710 https://access.redhat.com/security/cve/CVE-2019-8719 https://access.redhat.com/security/cve/CVE-2019-8720 https://access.redhat.com/security/cve/CVE-2019-8726 https://access.redhat.com/security/cve/CVE-2019-8733 https://access.redhat.com/security/cve/CVE-2019-8735 https://access.redhat.com/security/cve/CVE-2019-8743 https://access.redhat.com/security/cve/CVE-2019-8763 https://access.redhat.com/security/cve/CVE-2019-8764 https://access.redhat.com/security/cve/CVE-2019-8765 https://access.redhat.com/security/cve/CVE-2019-8766 https://access.redhat.com/security/cve/CVE-2019-8768 https://access.redhat.com/security/cve/CVE-2019-8769 https://access.redhat.com/security/cve/CVE-2019-8771 https://access.redhat.com/security/cve/CVE-2019-8782 https://access.redhat.com/security/cve/CVE-2019-8783 https://access.redhat.com/security/cve/CVE-2019-8808 https://access.redhat.com/security/cve/CVE-2019-8811 https://access.redhat.com/security/cve/CVE-2019-8812 https://access.redhat.com/security/cve/CVE-2019-8813 https://access.redhat.com/security/cve/CVE-2019-8814 https://access.redhat.com/security/cve/CVE-2019-8815 https://access.redhat.com/security/cve/CVE-2019-8816 https://access.redhat.com/security/cve/CVE-2019-8819 https://access.redhat.com/security/cve/CVE-2019-8820 https://access.redhat.com/security/cve/CVE-2019-8821 https://access.redhat.com/security/cve/CVE-2019-8822 https://access.redhat.com/security/cve/CVE-2019-8823 https://access.redhat.com/security/cve/CVE-2019-8835 https://access.redhat.com/security/cve/CVE-2019-8844 https://access.redhat.com/security/cve/CVE-2019-8846 https://access.redhat.com/security/cve/CVE-2019-11070 https://access.redhat.com/security/cve/CVE-2020-3862 https://access.redhat.com/security/cve/CVE-2020-3864 https://access.redhat.com/security/cve/CVE-2020-3865 https://access.redhat.com/security/cve/CVE-2020-3867 https://access.redhat.com/security/cve/CVE-2020-3868 https://access.redhat.com/security/cve/CVE-2020-3885 https://access.redhat.com/security/cve/CVE-2020-3894 https://access.redhat.com/security/cve/CVE-2020-3895 https://access.redhat.com/security/cve/CVE-2020-3897 https://access.redhat.com/security/cve/CVE-2020-3899 https://access.redhat.com/security/cve/CVE-2020-3900 https://access.redhat.com/security/cve/CVE-2020-3901 https://access.redhat.com/security/cve/CVE-2020-3902 https://access.redhat.com/security/cve/CVE-2020-10018 https://access.redhat.com/security/cve/CVE-2020-11793 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . ------------------------------------------------------------------------ WebKitGTK and WPE WebKit Security Advisory WSA-2019-0003
Date reported : May 20, 2019 Advisory ID : WSA-2019-0003 WebKitGTK Advisory URL : https://webkitgtk.org/security/WSA-2019-0003.html WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2019-0003.html CVE identifiers : CVE-2019-6237, CVE-2019-8571, CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601, CVE-2019-8607, CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8615, CVE-2019-8611, CVE-2019-8619, CVE-2019-8622, CVE-2019-8623.
CVE-2019-6237 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to G. Geshev working with Trend Micro Zero Day Initiative, Liu Long of Qihoo 360 Vulcan Team.
CVE-2019-8571 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to 01 working with Trend Micro's Zero Day Initiative.
CVE-2019-8583 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to sakura of Tencent Xuanwu Lab, jessica (@babyjess1ca_) of Tencent Keen Lab, and dwfault working at ADLab of Venustech.
CVE-2019-8584 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to G. Geshev of MWR Labs working with Trend Micro Zero Day Initiative.
CVE-2019-8586 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to an anonymous researcher.
CVE-2019-8587 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to G. Geshev working with Trend Micro Zero Day Initiative.
CVE-2019-8594 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to Suyoung Lee and Sooel Son of KAIST Web Security & Privacy Lab and HyungSeok Han and Sang Kil Cha of KAIST SoftSec Lab.
CVE-2019-8595 Versions affected: WebKitGTK and WPE WebKit before 2.24.2. Credit to G. Geshev from MWR Labs working with Trend Micro Zero Day Initiative.
CVE-2019-8596 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to Wen Xu of SSLab at Georgia Tech.
CVE-2019-8597 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to 01 working with Trend Micro Zero Day Initiative.
CVE-2019-8601 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to Fluoroacetate working with Trend Micro's Zero Day Initiative.
CVE-2019-8607 Versions affected: WebKitGTK and WPE WebKit before 2.24.2. Credit to Junho Jang and Hanul Choi of LINE Security Team.
CVE-2019-8608 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to G. Geshev working with Trend Micro Zero Day Initiative.
CVE-2019-8609 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to Wen Xu of SSLab, Georgia Tech.
CVE-2019-8610 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to Anonymous working with Trend Micro Zero Day Initiative.
CVE-2019-8615 Versions affected: WebKitGTK and WPE WebKit before 2.24.2. Credit to G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative.
CVE-2019-8611 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to Samuel Gro\xdf of Google Project Zero.
CVE-2019-8619 Versions affected: WebKitGTK and WPE WebKit before 2.24.1. Credit to Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab.
CVE-2019-8622 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to Samuel Gro\xdf of Google Project Zero.
CVE-2019-8623 Versions affected: WebKitGTK and WPE WebKit before 2.24.0. Credit to Samuel Gro\xdf of Google Project Zero.
We recommend updating to the latest stable versions of WebKitGTK and WPE WebKit. It is the best way to ensure that you are running safe versions of WebKit. Please check our websites for information about the latest stable releases.
Further information about WebKitGTK and WPE WebKit security advisories can be found at: https://webkitgtk.org/security.html or https://wpewebkit.org/security/.
The WebKitGTK and WPE WebKit team, May 20, 2019
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"data": "Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution. Apple Has released an update for each product.The expected impact depends on each vulnerability, but can be affected as follows: * Insufficient access restrictions * Privilege escalation * Service operation interruption (DoS) * Sandbox avoidance * Information falsification * information leak * Arbitrary code execution. WebKit is prone to a information-disclosure and multiple memory-corruption vulnerabilities. \nSuccessful exploits may allow attackers to obtain sensitive information or execute arbitrary code in the context of the affected system. Failed exploit attempts will likely cause a denial-of-service condition. Apple iOS, etc. are all products of Apple (Apple). Apple iOS is an operating system developed for mobile devices. Apple tvOS is a smart TV operating system. Apple macOS Mojave is a dedicated operating system developed for Mac computers. A buffer error vulnerability exists in the WebKit component of several Apple products. This vulnerability stems from the incorrect verification of data boundaries when the network system or product performs operations on the memory, resulting in incorrect read and write operations to other associated memory locations. Attackers can exploit this vulnerability to cause buffer overflow or heap overflow, etc. The following products and versions are affected: Apple iOS prior to 12.3; macOS Mojave prior to 10.14.5; tvOS prior to 12.3; Safari prior to 12.1.1. WebKitGTK and WPE WebKit prior to version 2.24.1 failed to properly apply configured HTTP proxy settings when downloading livestream video (HLS, DASH, or Smooth Streaming), an error resulting in deanonymization. This issue was corrected by changing the way livestreams are downloaded. (CVE-2019-6237)\nWebKitGTK and WPE WebKit prior to version 2.24.1 are vulnerable to address bar spoofing upon certain JavaScript redirections. An attacker could cause malicious web content to be displayed as if for a trusted URI. This is similar to the CVE-2018-8383 issue in Microsoft Edge. (CVE-2019-8601)\nAn out-of-bounds read was addressed with improved input validation. (CVE-2019-8644)\nA logic issue existed in the handling of synchronous page loads. (CVE-2019-8689)\nA logic issue existed in the handling of document loads. (CVE-2019-8719)\nThis fixes a remote code execution in webkitgtk4. No further details are available in NIST. This issue is fixed in watchOS 6.1. This issue is fixed in watchOS 6.1. This issue is fixed in watchOS 6.1. (CVE-2019-8766)\n\"Clear History and Website Data\" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Catalina 10.15. A user may be unable to delete browsing history items. (CVE-2019-8768)\nAn issue existed in the drawing of web page elements. Visiting a maliciously crafted website may reveal browsing history. (CVE-2019-8769)\nThis issue was addressed with improved iframe sandbox enforcement. (CVE-2019-8846)\nWebKitGTK up to and including 2.26.4 and WPE WebKit up to and including 2.26.4 (which are the versions right prior to 2.28.0) contains a memory corruption issue (use-after-free) that may lead to arbitrary code execution. (CVE-2020-10018)\nA use-after-free flaw exists in WebKitGTK. A malicious website may be able to cause a denial of service. A DOM object context may not have had a unique security origin. A file URL may be incorrectly processed. (CVE-2020-3885)\nA race condition was addressed with additional validation. An application may be able to read restricted memory. (CVE-2020-3901)\nAn input validation issue was addressed with improved input validation. (CVE-2020-3902). JavaScriptCore: AIR optimization incorrectly removes assignment to register \n\nWhile fuzzing JavaScriptCore, I encountered the following JavaScript program which crashes jsc from current HEAD (git commit 3c46422e45fef2de6ff13b66cd45705d63859555) in debug and release builds (./Tools/Scripts/build-jsc --jsc-only [--debug or --release]):\n\n // Run with --useConcurrentJIT=false --thresholdForJITAfterWarmUp=10 --thresholdForFTLOptimizeAfterWarmUp=1000\n\n function v0(v1) {\n function v7(v8) {\n function v12(v13, v14) {\n const v16 = v14 - -0x80000000;\n const v19 = [13.37, 13.37, 13.37];\n function v20() {\n return v16;\n }\n return v19;\n }\n return v8(v12, v1);\n }\n const v27 = v7(v7);\n }\n for (let i = 0; i \u003c 100; i++) {\n v0(i);\n }\n\nIt appears that what is happening here is roughly the following:\n\nInitially, the call to v12 is inlined and the IR contains (besides others) the following instructions for the inlined v12:\n\n 1 \u003c- GetScope()\n 2 \u003c- CreateActivation(1)\n 3 \u003c- GetLocal(v14)\n 4 \u003c- JSConstant(-0x80000000)\n 5 \u003c- ValueSub(3, 4)\n 6 \u003c- NewArrayBuffer(...)\n\nHere, The CreateActivation instruction allocates a LexicalEnvironment object on the heap to store local variables into. The NewArrayBuffer allocates backing memory for the array. \nNext, the subtraction is (incorrectly?) speculated to not overflow and is thus replaced by an ArithSub, an instruction performing an integer subtraction and bailing out if an overflow occurs:\n\n 1 \u003c- GetScope()\n 2 \u003c- CreateActivation(1)\n 3 \u003c- GetLocal(v14)\n 4 \u003c- JSConstant(-0x80000000)\n 5 \u003c- ArithSub(3, 4)\n 6 \u003c- NewArrayBuffer(...)\n\nNext, the object allocation sinking phase runs, which determines that the created activation object doesn\u0027t leave the current scope and thus doesn\u0027t have to be allocated at all. It then replaces it with a PhancomCreateActivation, a node indicating that at this point a heap allocation used to happen which would have to be restored (\"materialized\") during a bailout because the interpreter/baseline JIT expects it to be there. As the scope object is required to materialize the Activation, a PutHint is created which indicates that during a bailout, the result of GetScope must be available somehow. \n\n 1 \u003c- GetScope()\n 2 \u003c- PhantomCreateActivation()\n 7 \u003c- PutHint(2, 1)\n 3 \u003c- GetLocal(v14)\n 4 \u003c- JSConstant(-0x80000000)\n 5 \u003c- ArithSub(3, 4)\n 6 \u003c- NewArrayBuffer(...)\n\nThe DFG IR code is then lowered to B3, yielding the following:\n\n Int64 @66 = Const64(16, DFG:@1)\n Int64 @67 = Add(@35, $16(@66), DFG:@1)\n Int64 @68 = Load(@67, ControlDependent|Reads:28, DFG:@1)\n Int32 @69 = Const32(-2147483648, DFG:@5)\n Int32 @70 = CheckSub(@48:WarmAny, $-2147483648(@69):WarmAny, @35:ColdAny, @48:ColdAny, @68:ColdAny, @41:ColdAny, ...)\n Int64 @74 = Patchpoint(..., DFG:@6)\n\nHere, the first three operations fetch the current scope, the next two instruction perform the checked integer subtraction, and the last instruction performs the array storage allocation. Note that the scope object (@68) is an operand for the subtraction as it is required for the materialization of the activation during a bailout. The B3 code is then (after more optimizations) lowered to AIR:\n\n Move %tmp2, (stack0), @65\n Move 16(%tmp2), %tmp28, @68\n Move $-2147483648, %tmp29, $-2147483648(@69)\n Move %tmp4, %tmp27, @70\n Patch \u0026BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %tmp27, %tmp2, %tmp4, %tmp28, %tmp5, @70\n Patch \u0026Patchpoint2, %tmp24, %tmp25, %tmp26, @74\n\nThen, after optimizations on the AIR code and register allocation:\n\n Move %rax, (stack0), @65\n Move 16(%rax), %rdx, @68\n Patch \u0026BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %rcx, %rax, %rcx, %rdx, %rsi, @70\n Patch \u0026Patchpoint2, %rax, %rcx, %rdx, @74\n\nFinally, in the reportUsedRegisters phase (AirReportUsedRegisters.cpp), the following happens\n\n* The register rdx is marked as \"lateUse\" for the BranchSub32 and as \"earlyDef\" for the Patchpoint (this might ultimately be the cause of the issue). \n \"early\" and \"late\" refer to the time the operand is used/defined, either before the instruction executes or after. \n* As such, at the boundary (which is where register liveness is computed) between the last two instructions, rdx is both defined and used. \n* Then, when liveness is computed (in AirRegLiveness.cpp) for the boundary between the Move and the BranchSub32, rdx is determined to be dead as it is not used at the boundary and defined at the following boundary:\n\n // RegLiveness::LocalCalc::execute\n void execute(unsigned instIndex)\n {\n m_workset.exclude(m_actions[instIndex + 1].def);\n m_workset.merge(m_actions[instIndex].use);\n }\n\nAs a result, the assignment to rdx (storing the pointer to the scope object), is determined to be a store to a dead register and is thus discarded, leaving the following code:\n\n Move %rax, (stack0), @65\n Patch \u0026BranchSub32(3,SameAsRep)4, Overflow, $-2147483648, %rcx, %rax, %rcx, %rdx, %rsi, @70\n Patch \u0026Patchpoint2, %rax, %rcx, %rdx, @74\n\nAs such, whatever used to be in rdx will then be treated as a pointer to a scope object during materialization of the activation in the case of a bailout, leading to a crash similar to the following:\n\n * thread #1, queue = \u0027com.apple.main-thread\u0027, stop reason = EXC_BAD_ACCESS (code=1, address=0xbbadbeef)\n * frame #0: 0x0000000101a88b20 JavaScriptCore`::WTFCrash() at Assertions.cpp:255\n frame #1: 0x00000001000058fb jsc`WTFCrashWithInfo((null)=521, (null)=\"../../Source/JavaScriptCore/runtime/JSCJSValueInlines.h\", (null)=\"JSC::JSCell *JSC::JSValue::asCell() const\", (null)=1229) at Assertions.h:560\n frame #2: 0x000000010000bdbb jsc`JSC::JSValue::asCell(this=0x00007ffeefbfcf78) const at JSCJSValueInlines.h:521\n frame #3: 0x0000000100fe5fbd JavaScriptCore`::operationMaterializeObjectInOSR(exec=0x00007ffeefbfd230, materialization=0x0000000106350f00, values=0x00000001088e7448) at FTLOperations.cpp:217\n frame #4: ... \n\n (lldb) up 2\n frame #2: 0x000000010000bdbb jsc`JSC::JSValue::asCell(this=0x00007ffeefbfcf78) const at JSCJSValueInlines.h:521\n (lldb) p *this\n (JSC::JSValue) $2 = {\n u = {\n asInt64 = -281474976710656\n ptr = 0xffff000000000000\n asBits = (payload = 0, tag = -65536)\n }\n }\n\nIn this execution, the register rdx contained the value 0xffff000000000000, used in the JITed code as a mask to e.g. quickly determine whether a value is an integer. However, depending on the compiled code, the register could store different (and potentially attacker controlled) data. Moreover, it might be possible to trigger the same misbehaviour in other situations in which the dangling register is expected to hold some other value. \n\nThis particular sample seems to require the ValueSub DFG instruction, introduced in git commit 5ea7781f2acb639eddc2ec8041328348bdf72877, to produce this type of AIR code. However, it is possible that other DFG IR operations can result in the same AIR code and thus trigger this issue. I have a few other samples that appear to be triggering the same bug with different thresholds and potentially with concurrent JIT enabled which I can share if that is helpful. \n\n\nRelated CVE Numbers: CVE-2019-8611. \n\nAuthored By saelo\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2019-5-13-3 tvOS 12.3\n\ntvOS 12.3 is now available and addresses the following:\n\nAppleFileConduit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2019-8593: Dany Lisiansky (@DanyL931)\n\nCoreAudio\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: Processing a maliciously crafted movie file may lead to\narbitrary code execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2019-8585: riusksk of VulWar Corp working with Trend Micro\u0027s Zero\nDay Initiative\n\nDisk Images\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to read restricted memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2019-8560: Nikita Pupyshev of Bauman Moscow State Technological\nUniversity\n\nKernel\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to execute arbitrary code\nwith system privileges\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2019-8605: Ned Williamson working with Google Project Zero\n\nKernel\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A local user may be able to cause unexpected system\ntermination or read kernel memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2019-8576: Brandon Azad of Google Project Zero, unho Jang and\nHanul Choi of LINE Security Team\n\nKernel\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to cause unexpected system\ntermination or write kernel memory\nDescription: A type confusion issue was addressed with improved\nmemory handling. \nCVE-2019-8591: Ned Williamson working with Google Project Zero\n\nMobileInstallation\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A local user may be able to modify protected parts of the\nfile system\nDescription: A validation issue existed in the handling of symlinks. \nCVE-2019-8568: Dany Lisiansky (@DanyL931)\n\nMobileLockdown\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to gain root privileges\nDescription: An input validation issue was addressed with improved\ninput validation. \nCVE-2019-8637: Dany Lisiansky (@DanyL931)\n\nSQLite\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to gain elevated privileges\nDescription: An input validation issue was addressed with improved\nmemory handling. \nCVE-2019-8577: Omer Gull of Checkpoint Research\n\nSQLite\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A maliciously crafted SQL query may lead to arbitrary code\nexecution\nDescription: A memory corruption issue was addressed with improved\ninput validation. \nCVE-2019-8600: Omer Gull of Checkpoint Research\n\nSQLite\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to read restricted memory\nDescription: An input validation issue was addressed with improved\ninput validation. \nCVE-2019-8598: Omer Gull of Checkpoint Research\n\nSQLite\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to elevate privileges\nDescription: A memory corruption issue was addressed by removing the\nvulnerable code. \nCVE-2019-8602: Omer Gull of Checkpoint Research\n\nsysdiagnose\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2019-6237: G. Geshev from MWR Labs working with Trend Micro\u0027s\nZero Day Initiative\nCVE-2019-8619: Wen Xu of SSLab at Georgia Tech and\nHanqing Zhao of Chaitin Security Research Lab\nCVE-2019-8622: Samuel Gro\u00df of Google Project Zero\nCVE-2019-8623: Samuel Gro\u00df of Google Project Zero\nCVE-2019-8628: Wen Xu of SSLab at Georgia Tech and\nHanqing Zhao of Chaitin Security Research Lab\n\nWi-Fi\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A device may be passively tracked by its WiFi MAC address\nDescription: A user privacy issue was addressed by removing the\nbroadcast MAC address. \nCVE-2019-8620: David Kreitschmann and Milan Stute of Secure Mobile\nNetworking Lab at Technische Universit\u00e4t Darmstadt\n\nAdditional recognition\n\nCoreFoundation\nWe would like to acknowledge Vozzie and Rami and m4bln, Xiangqian\nZhang, Huiming Liu of Tencent\u0027s Xuanwu Lab for their assistance. \n\nKernel\nWe would like to acknowledge Brandon Azad of Google Project Zero and\nan anonymous researcher for their assistance. \n\nMediaLibrary\nWe would like to acknowledge Angel Ramirez and Min (Spark) Zheng,\nXiaolong Bai of Alibaba Inc. for their assistance. \n\nMobileInstallation\nWe would like to acknowledge Yi\u011fit Can YILMAZ (@yilmazcanyigit) for\ntheir assistance. \n\nInstallation note:\n\nApple TV will periodically check for software updates. Alternatively,\nyou may manually check for software updates by selecting\n\"Settings -\u003e System -\u003e Software Update -\u003e Update Software.\"\n\nTo check the current version of software, select\n\"Settings -\u003e General -\u003e About.\"\n\nInformation will also be posted to the Apple Security Updates\nweb site: https://support.apple.com/kb/HT201222\n\nThis message is signed with Apple\u0027s Product Security PGP key,\nand details are available at:\nhttps://www.apple.com/support/security/pgp/\n-----BEGIN PGP SIGNATURE-----\n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\nRDrhcrWdDe+eK0T/+tGzUt44AWb/PEHK4BKE9HP+WkY=\n=D9gv\n-----END PGP SIGNATURE-----\n\n\n. \n\nInstallation note:\n\nSafari 12.1.1 may be obtained from the Mac App Store. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Moderate: webkitgtk4 security, bug fix, and enhancement update\nAdvisory ID: RHSA-2020:4035-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2020:4035\nIssue date: 2020-09-29\nCVE Names: CVE-2019-6237 CVE-2019-6251 CVE-2019-8506\n CVE-2019-8524 CVE-2019-8535 CVE-2019-8536\n CVE-2019-8544 CVE-2019-8551 CVE-2019-8558\n CVE-2019-8559 CVE-2019-8563 CVE-2019-8571\n CVE-2019-8583 CVE-2019-8584 CVE-2019-8586\n CVE-2019-8587 CVE-2019-8594 CVE-2019-8595\n CVE-2019-8596 CVE-2019-8597 CVE-2019-8601\n CVE-2019-8607 CVE-2019-8608 CVE-2019-8609\n CVE-2019-8610 CVE-2019-8611 CVE-2019-8615\n CVE-2019-8619 CVE-2019-8622 CVE-2019-8623\n CVE-2019-8625 CVE-2019-8644 CVE-2019-8649\n CVE-2019-8658 CVE-2019-8666 CVE-2019-8669\n CVE-2019-8671 CVE-2019-8672 CVE-2019-8673\n CVE-2019-8674 CVE-2019-8676 CVE-2019-8677\n CVE-2019-8678 CVE-2019-8679 CVE-2019-8680\n CVE-2019-8681 CVE-2019-8683 CVE-2019-8684\n CVE-2019-8686 CVE-2019-8687 CVE-2019-8688\n CVE-2019-8689 CVE-2019-8690 CVE-2019-8707\n CVE-2019-8710 CVE-2019-8719 CVE-2019-8720\n CVE-2019-8726 CVE-2019-8733 CVE-2019-8735\n CVE-2019-8743 CVE-2019-8763 CVE-2019-8764\n CVE-2019-8765 CVE-2019-8766 CVE-2019-8768\n CVE-2019-8769 CVE-2019-8771 CVE-2019-8782\n CVE-2019-8783 CVE-2019-8808 CVE-2019-8811\n CVE-2019-8812 CVE-2019-8813 CVE-2019-8814\n CVE-2019-8815 CVE-2019-8816 CVE-2019-8819\n CVE-2019-8820 CVE-2019-8821 CVE-2019-8822\n CVE-2019-8823 CVE-2019-8835 CVE-2019-8844\n CVE-2019-8846 CVE-2019-11070 CVE-2020-3862\n CVE-2020-3864 CVE-2020-3865 CVE-2020-3867\n CVE-2020-3868 CVE-2020-3885 CVE-2020-3894\n CVE-2020-3895 CVE-2020-3897 CVE-2020-3899\n CVE-2020-3900 CVE-2020-3901 CVE-2020-3902\n CVE-2020-10018 CVE-2020-11793\n====================================================================\n1. Summary:\n\nAn update for webkitgtk4 is now available for Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux ComputeNode (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, s390x\nRed Hat Enterprise Linux Workstation (v. 7) - x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - noarch\n\n3. Description:\n\nWebKitGTK+ is port of the WebKit portable web rendering engine to the GTK+\nplatform. These packages provide WebKitGTK+ for GTK+ 3. \n\nThe following packages have been upgraded to a later upstream version:\nwebkitgtk4 (2.28.2). (BZ#1817144)\n\nSecurity Fix(es):\n\n* webkitgtk: Multiple security issues (CVE-2019-6237, CVE-2019-6251,\nCVE-2019-8506, CVE-2019-8524, CVE-2019-8535, CVE-2019-8536, CVE-2019-8544,\nCVE-2019-8551, CVE-2019-8558, CVE-2019-8559, CVE-2019-8563, CVE-2019-8571,\nCVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594,\nCVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601, CVE-2019-8607,\nCVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615,\nCVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8625, CVE-2019-8644,\nCVE-2019-8649, CVE-2019-8658, CVE-2019-8666, CVE-2019-8669, CVE-2019-8671,\nCVE-2019-8672, CVE-2019-8673, CVE-2019-8674, CVE-2019-8676, CVE-2019-8677,\nCVE-2019-8678, CVE-2019-8679, CVE-2019-8680, CVE-2019-8681, CVE-2019-8683,\nCVE-2019-8684, CVE-2019-8686, CVE-2019-8687, CVE-2019-8688, CVE-2019-8689,\nCVE-2019-8690, CVE-2019-8707, CVE-2019-8710, CVE-2019-8719, CVE-2019-8720,\nCVE-2019-8726, CVE-2019-8733, CVE-2019-8735, CVE-2019-8743, CVE-2019-8763,\nCVE-2019-8764, CVE-2019-8765, CVE-2019-8766, CVE-2019-8768, CVE-2019-8769,\nCVE-2019-8771, CVE-2019-8782, CVE-2019-8783, CVE-2019-8808, CVE-2019-8811,\nCVE-2019-8812, CVE-2019-8813, CVE-2019-8814, CVE-2019-8815, CVE-2019-8816,\nCVE-2019-8819, CVE-2019-8820, CVE-2019-8821, CVE-2019-8822, CVE-2019-8823,\nCVE-2019-8835, CVE-2019-8844, CVE-2019-8846, CVE-2019-11070, CVE-2020-3862,\nCVE-2020-3864, CVE-2020-3865, CVE-2020-3867, CVE-2020-3868, CVE-2020-3885,\nCVE-2020-3894, CVE-2020-3895, CVE-2020-3897, CVE-2020-3899, CVE-2020-3900,\nCVE-2020-3901, CVE-2020-3902, CVE-2020-10018, CVE-2020-11793)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat\nEnterprise Linux 7.9 Release Notes linked from the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Package List:\n\nRed Hat Enterprise Linux Client (v. 7):\n\nSource:\nwebkitgtk4-2.28.2-2.el7.src.rpm\n\nx86_64:\nwebkitgtk4-2.28.2-2.el7.i686.rpm\nwebkitgtk4-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nnoarch:\nwebkitgtk4-doc-2.28.2-2.el7.noarch.rpm\n\nx86_64:\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-devel-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nwebkitgtk4-2.28.2-2.el7.src.rpm\n\nx86_64:\nwebkitgtk4-2.28.2-2.el7.i686.rpm\nwebkitgtk4-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nnoarch:\nwebkitgtk4-doc-2.28.2-2.el7.noarch.rpm\n\nx86_64:\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-devel-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\nwebkitgtk4-2.28.2-2.el7.src.rpm\n\nppc64:\nwebkitgtk4-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-2.28.2-2.el7.ppc64.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.ppc64.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.ppc64.rpm\n\nppc64le:\nwebkitgtk4-2.28.2-2.el7.ppc64le.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.ppc64le.rpm\nwebkitgtk4-devel-2.28.2-2.el7.ppc64le.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.ppc64le.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.ppc64le.rpm\n\ns390x:\nwebkitgtk4-2.28.2-2.el7.s390.rpm\nwebkitgtk4-2.28.2-2.el7.s390x.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.s390.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.s390x.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.s390.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.s390x.rpm\n\nx86_64:\nwebkitgtk4-2.28.2-2.el7.i686.rpm\nwebkitgtk4-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-devel-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nnoarch:\nwebkitgtk4-doc-2.28.2-2.el7.noarch.rpm\n\nppc64:\nwebkitgtk4-debuginfo-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.ppc64.rpm\nwebkitgtk4-devel-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-devel-2.28.2-2.el7.ppc64.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.ppc.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.ppc64.rpm\n\ns390x:\nwebkitgtk4-debuginfo-2.28.2-2.el7.s390.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.s390x.rpm\nwebkitgtk4-devel-2.28.2-2.el7.s390.rpm\nwebkitgtk4-devel-2.28.2-2.el7.s390x.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.s390.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.s390x.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nwebkitgtk4-2.28.2-2.el7.src.rpm\n\nx86_64:\nwebkitgtk4-2.28.2-2.el7.i686.rpm\nwebkitgtk4-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.i686.rpm\nwebkitgtk4-debuginfo-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-devel-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-2.28.2-2.el7.x86_64.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.i686.rpm\nwebkitgtk4-jsc-devel-2.28.2-2.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nnoarch:\nwebkitgtk4-doc-2.28.2-2.el7.noarch.rpm\n\nThese packages are GPG signed by Red Hat for security. References:\n\nhttps://access.redhat.com/security/cve/CVE-2019-6237\nhttps://access.redhat.com/security/cve/CVE-2019-6251\nhttps://access.redhat.com/security/cve/CVE-2019-8506\nhttps://access.redhat.com/security/cve/CVE-2019-8524\nhttps://access.redhat.com/security/cve/CVE-2019-8535\nhttps://access.redhat.com/security/cve/CVE-2019-8536\nhttps://access.redhat.com/security/cve/CVE-2019-8544\nhttps://access.redhat.com/security/cve/CVE-2019-8551\nhttps://access.redhat.com/security/cve/CVE-2019-8558\nhttps://access.redhat.com/security/cve/CVE-2019-8559\nhttps://access.redhat.com/security/cve/CVE-2019-8563\nhttps://access.redhat.com/security/cve/CVE-2019-8571\nhttps://access.redhat.com/security/cve/CVE-2019-8583\nhttps://access.redhat.com/security/cve/CVE-2019-8584\nhttps://access.redhat.com/security/cve/CVE-2019-8586\nhttps://access.redhat.com/security/cve/CVE-2019-8587\nhttps://access.redhat.com/security/cve/CVE-2019-8594\nhttps://access.redhat.com/security/cve/CVE-2019-8595\nhttps://access.redhat.com/security/cve/CVE-2019-8596\nhttps://access.redhat.com/security/cve/CVE-2019-8597\nhttps://access.redhat.com/security/cve/CVE-2019-8601\nhttps://access.redhat.com/security/cve/CVE-2019-8607\nhttps://access.redhat.com/security/cve/CVE-2019-8608\nhttps://access.redhat.com/security/cve/CVE-2019-8609\nhttps://access.redhat.com/security/cve/CVE-2019-8610\nhttps://access.redhat.com/security/cve/CVE-2019-8611\nhttps://access.redhat.com/security/cve/CVE-2019-8615\nhttps://access.redhat.com/security/cve/CVE-2019-8619\nhttps://access.redhat.com/security/cve/CVE-2019-8622\nhttps://access.redhat.com/security/cve/CVE-2019-8623\nhttps://access.redhat.com/security/cve/CVE-2019-8625\nhttps://access.redhat.com/security/cve/CVE-2019-8644\nhttps://access.redhat.com/security/cve/CVE-2019-8649\nhttps://access.redhat.com/security/cve/CVE-2019-8658\nhttps://access.redhat.com/security/cve/CVE-2019-8666\nhttps://access.redhat.com/security/cve/CVE-2019-8669\nhttps://access.redhat.com/security/cve/CVE-2019-8671\nhttps://access.redhat.com/security/cve/CVE-2019-8672\nhttps://access.redhat.com/security/cve/CVE-2019-8673\nhttps://access.redhat.com/security/cve/CVE-2019-8674\nhttps://access.redhat.com/security/cve/CVE-2019-8676\nhttps://access.redhat.com/security/cve/CVE-2019-8677\nhttps://access.redhat.com/security/cve/CVE-2019-8678\nhttps://access.redhat.com/security/cve/CVE-2019-8679\nhttps://access.redhat.com/security/cve/CVE-2019-8680\nhttps://access.redhat.com/security/cve/CVE-2019-8681\nhttps://access.redhat.com/security/cve/CVE-2019-8683\nhttps://access.redhat.com/security/cve/CVE-2019-8684\nhttps://access.redhat.com/security/cve/CVE-2019-8686\nhttps://access.redhat.com/security/cve/CVE-2019-8687\nhttps://access.redhat.com/security/cve/CVE-2019-8688\nhttps://access.redhat.com/security/cve/CVE-2019-8689\nhttps://access.redhat.com/security/cve/CVE-2019-8690\nhttps://access.redhat.com/security/cve/CVE-2019-8707\nhttps://access.redhat.com/security/cve/CVE-2019-8710\nhttps://access.redhat.com/security/cve/CVE-2019-8719\nhttps://access.redhat.com/security/cve/CVE-2019-8720\nhttps://access.redhat.com/security/cve/CVE-2019-8726\nhttps://access.redhat.com/security/cve/CVE-2019-8733\nhttps://access.redhat.com/security/cve/CVE-2019-8735\nhttps://access.redhat.com/security/cve/CVE-2019-8743\nhttps://access.redhat.com/security/cve/CVE-2019-8763\nhttps://access.redhat.com/security/cve/CVE-2019-8764\nhttps://access.redhat.com/security/cve/CVE-2019-8765\nhttps://access.redhat.com/security/cve/CVE-2019-8766\nhttps://access.redhat.com/security/cve/CVE-2019-8768\nhttps://access.redhat.com/security/cve/CVE-2019-8769\nhttps://access.redhat.com/security/cve/CVE-2019-8771\nhttps://access.redhat.com/security/cve/CVE-2019-8782\nhttps://access.redhat.com/security/cve/CVE-2019-8783\nhttps://access.redhat.com/security/cve/CVE-2019-8808\nhttps://access.redhat.com/security/cve/CVE-2019-8811\nhttps://access.redhat.com/security/cve/CVE-2019-8812\nhttps://access.redhat.com/security/cve/CVE-2019-8813\nhttps://access.redhat.com/security/cve/CVE-2019-8814\nhttps://access.redhat.com/security/cve/CVE-2019-8815\nhttps://access.redhat.com/security/cve/CVE-2019-8816\nhttps://access.redhat.com/security/cve/CVE-2019-8819\nhttps://access.redhat.com/security/cve/CVE-2019-8820\nhttps://access.redhat.com/security/cve/CVE-2019-8821\nhttps://access.redhat.com/security/cve/CVE-2019-8822\nhttps://access.redhat.com/security/cve/CVE-2019-8823\nhttps://access.redhat.com/security/cve/CVE-2019-8835\nhttps://access.redhat.com/security/cve/CVE-2019-8844\nhttps://access.redhat.com/security/cve/CVE-2019-8846\nhttps://access.redhat.com/security/cve/CVE-2019-11070\nhttps://access.redhat.com/security/cve/CVE-2020-3862\nhttps://access.redhat.com/security/cve/CVE-2020-3864\nhttps://access.redhat.com/security/cve/CVE-2020-3865\nhttps://access.redhat.com/security/cve/CVE-2020-3867\nhttps://access.redhat.com/security/cve/CVE-2020-3868\nhttps://access.redhat.com/security/cve/CVE-2020-3885\nhttps://access.redhat.com/security/cve/CVE-2020-3894\nhttps://access.redhat.com/security/cve/CVE-2020-3895\nhttps://access.redhat.com/security/cve/CVE-2020-3897\nhttps://access.redhat.com/security/cve/CVE-2020-3899\nhttps://access.redhat.com/security/cve/CVE-2020-3900\nhttps://access.redhat.com/security/cve/CVE-2020-3901\nhttps://access.redhat.com/security/cve/CVE-2020-3902\nhttps://access.redhat.com/security/cve/CVE-2020-10018\nhttps://access.redhat.com/security/cve/CVE-2020-11793\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2020 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nPKg+HFNkMjk=dS3G\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n. ------------------------------------------------------------------------\nWebKitGTK and WPE WebKit Security Advisory WSA-2019-0003\n------------------------------------------------------------------------\n\nDate reported : May 20, 2019\nAdvisory ID : WSA-2019-0003\nWebKitGTK Advisory URL : \nhttps://webkitgtk.org/security/WSA-2019-0003.html\nWPE WebKit Advisory URL : \nhttps://wpewebkit.org/security/WSA-2019-0003.html\nCVE identifiers : CVE-2019-6237, CVE-2019-8571, CVE-2019-8583,\n CVE-2019-8584, CVE-2019-8586, CVE-2019-8587,\n CVE-2019-8594, CVE-2019-8595, CVE-2019-8596,\n CVE-2019-8597, CVE-2019-8601, CVE-2019-8607,\n CVE-2019-8608, CVE-2019-8609, CVE-2019-8610,\n CVE-2019-8615, CVE-2019-8611, CVE-2019-8619,\n CVE-2019-8622, CVE-2019-8623. \n\nCVE-2019-6237\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to G. Geshev working with Trend Micro Zero Day Initiative,\n Liu Long of Qihoo 360 Vulcan Team. \n\nCVE-2019-8571\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to 01 working with Trend Micro\u0027s Zero Day Initiative. \n\nCVE-2019-8583\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to sakura of Tencent Xuanwu Lab, jessica (@babyjess1ca_) of\n Tencent Keen Lab, and dwfault working at ADLab of Venustech. \n\nCVE-2019-8584\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to G. Geshev of MWR Labs working with Trend Micro Zero Day\n Initiative. \n\nCVE-2019-8586\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to an anonymous researcher. \n\nCVE-2019-8587\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to G. Geshev working with Trend Micro Zero Day Initiative. \n\nCVE-2019-8594\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to Suyoung Lee and Sooel Son of KAIST Web Security \u0026 Privacy\n Lab and HyungSeok Han and Sang Kil Cha of KAIST SoftSec Lab. \n\nCVE-2019-8595\n Versions affected: WebKitGTK and WPE WebKit before 2.24.2. \n Credit to G. Geshev from MWR Labs working with Trend Micro Zero Day\n Initiative. \n\nCVE-2019-8596\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to Wen Xu of SSLab at Georgia Tech. \n\nCVE-2019-8597\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to 01 working with Trend Micro Zero Day Initiative. \n\nCVE-2019-8601\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to Fluoroacetate working with Trend Micro\u0027s Zero Day\n Initiative. \n\nCVE-2019-8607\n Versions affected: WebKitGTK and WPE WebKit before 2.24.2. \n Credit to Junho Jang and Hanul Choi of LINE Security Team. \n\nCVE-2019-8608\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to G. Geshev working with Trend Micro Zero Day Initiative. \n\nCVE-2019-8609\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to Wen Xu of SSLab, Georgia Tech. \n\nCVE-2019-8610\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to Anonymous working with Trend Micro Zero Day Initiative. \n\nCVE-2019-8615\n Versions affected: WebKitGTK and WPE WebKit before 2.24.2. \n Credit to G. Geshev from MWR Labs working with Trend Micro\u0027s Zero\n Day Initiative. \n\nCVE-2019-8611\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to Samuel Gro\\xdf of Google Project Zero. \n\nCVE-2019-8619\n Versions affected: WebKitGTK and WPE WebKit before 2.24.1. \n Credit to Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of\n Chaitin Security Research Lab. \n\nCVE-2019-8622\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to Samuel Gro\\xdf of Google Project Zero. \n\nCVE-2019-8623\n Versions affected: WebKitGTK and WPE WebKit before 2.24.0. \n Credit to Samuel Gro\\xdf of Google Project Zero. \n\n\nWe recommend updating to the latest stable versions of WebKitGTK and WPE\nWebKit. It is the best way to ensure that you are running safe versions\nof WebKit. Please check our websites for information about the latest\nstable releases. \n\nFurther information about WebKitGTK and WPE WebKit security advisories\ncan be found at: https://webkitgtk.org/security.html or\nhttps://wpewebkit.org/security/. \n\nThe WebKitGTK and WPE WebKit team,\nMay 20, 2019\n\n\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.