var-201709-0971
Vulnerability from variot
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205. Broadcom BCM4355C0 Wi-Fichips is a Wi-Fi chip from Broadcom. Wi-Fifirmware is the firmware used in it. A security vulnerability exists in the 9.44.78.27.0.1.56 version of the Broadcom BCM4355C0 Wi-Fi chip. An attacker could exploit the vulnerability to cause a denial of service (heap or stack overflow). Apple iOS and tvOS are prone to multiple arbitrary code-execution vulnerabilities. An attacker can leverage these issues to execute arbitrary code within the context of the affected application. Failed exploit attempts will likely result in denial-of-service conditions. Versions prior to Apple tvOS 11 and iOS 11 are vulnerable. These issues are being tracked by Android Bud IDs A-62575409 and A-62576413. Broadcom: Multiple overflows when handling 802.11r (FT) Reassociation Response
CVE-2017-11121
Broadcom produces Wi-Fi HardMAC SoCs which are used to handle the PHY and MAC layer processing. These chips are present in both mobile devices and Wi-Fi routers, and are capable of handling many Wi-Fi related events without delegating to the host OS.
In order to allow fast roaming between access points in a wireless network, the Broadcom firmware supports the Fast BSS Transition feature (IEEE 802.11r-2008 FT), allowing a client to roam between APs in the same mobility domain. When a client decides to roam to a different AP in an FT network (in the same mobility domain), it first performs Authentication and then Reassociation.
During the Reassociation process, the client parses the Fast Transition Information Element in order to decrypt and install the embedded GTK. The FT-IE has the following structure:
| Tag (55) | Length | MIC CTRL | MIC | Anonce | Snonce | Sub-Elements |
0 1 2 4 20 52 84 X
Where each sub-element has the following structure:
| Tag | Length | Key Info | Key Length | RSC | Key Data |
0 1 2 4 5 13 X
(See 802.11-2016, 9.4.2.48 for more information).
On the BCM4355C0 SoC with firmware version 9.44.78.27.0.1.56 the Fast Transition Reassociation process is handled by ROM function 0x8462C. This function retrieves the FT-IE from the last association response and parses it in order to extract the GTK. Here is the approximate high-level logic of this function:
int function_8462C(...) { ...
//Getting the FT-IE uint8_t* ft_ie = bcm_parse_tlvs(..., ..., 55); if (!ft_ie) return 0;
//Getting the GTK Sub-Element uint8_t* gtk_subelem = bcm_parse_tlvs(ft_ie + 84, ft_ie[1] - 82, 2); if (!gtk_subelem) return 0; ...
//Decrypting the GTK context_struct->gtk_length = gtk_subelem[4]; if (!function_6D8(16, ..., gtk_subelem[1] - 11, gtk_subelem + 13, &context_struct->decrypted_gtk)) {
//Installing the GTK
function_C9C14(..., context_struct->decrypted_gtk, context_struct->gtk_length, ...);
...
} ... }
function_6D8(unsigned key_length, char key, unsigned input_length, char input, char* output) { ... char buf[0x200]; char buf2[0x8];
//Validating the lengths if ( (key_length - 16) > 16 || ((0x80808000 << (key_length - 16)) & 0x80000000) == 0 || input_length > 0x188 || input_length << 29 ) return 1;
//Copying the input into a local stack buffer memcpy(buf2, input, 8); memcpy(buf + 8, input + 8, input_length - 8);
//Do AES decryption ... }
int function_C9C14(..., char gtk, int gtk_len, ...) { ... char key_buffer = malloc(164); ... memcpy(key_buffer + 8, gtk, gtk_len); ... }
The function above fails to validate all the length fields in the FT-IE and in the embedded subelement. As a result, an attacker can cause multiple overflows by sending crafted information elements. Here are some possible attacks:
-
The attacker sends a valid FT-IE with an embedded subelement containing a valid length field (gtk_subelem[1]), but with a large crafted value in the key length field (gtk_subelem[4]). Supplying such values will cause the decryption function (0x6D8) to succeed. However, after decrypting the key, function 0xC9C14 will be called in order to install the GTK, using the crafted key length field. Supplying a large value such as 255 in this field will cause the function to copy 255 bytes from the context structure into the heap allocated buffer, whose size is only 164 -- causing a heap overflow.
-
The attacker sends a valid FT-IE with an embedded subelement whose length field (gtk_subelem[1]) is exactly 11. As we can see above, "gtk_subelem[1] - 11" is provided to the decryption function as the "input_length" field. Although the decryption function does perform some validations on the input length field, it fails to ensure that the field is larger than 8. After performing the validations, it calls "memcpy(buf + 8, input + 8, input_length - 8)" in order to copy the input into a stack-allocated buffer. If the input length is zero, "input_length - 8" will underflow, resulting in a large length argument in the memcpy. I'm not sure whether this is exploitable -- if timed correctly, it might be possible to corrupt important values after the stack, such as the global PCIE structure located at the end of RAM, which would allow the attacker to trigger writes into arbitrary locations in the host's memory.
This bug can be addressed by validating the GTK subelement length fields.
This bug is subject to a 90 day disclosure deadline. After 90 days elapse or a patch has been made broadly available, the bug report will become visible to the public.
Found by: laginimaineb
. CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843 Entry added September 25, 2017
Additional recognition
Security We would like to acknowledge Abhinav Bansal of Zscaler, Inc. for their assistance.
Webkit We would like to acknowledge xisigr of Tencent's Xuanwu Lab (tencent.com) for their assistance. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
APPLE-SA-2017-10-31-9 Additional information for APPLE-SA-2017-09-19-1 iOS 11
iOS 11 addresses the following:
802.1X Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker may be able to exploit weaknesses in TLS 1.0 Description: A protocol security issue was addressed by enabling TLS 1.1 and TLS 1.2. CVE-2017-13832: an anonymous researcher Entry added October 31, 2017
Bluetooth Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to access restricted files Description: A privacy issue existed in the handling of Contact cards. This was addressed with improved state management. CVE-2017-7131: Dominik Conrads of Federal Office for Information Security, an anonymous researcher, Elvis (@elvisimprsntr), an anonymous researcher
CFNetwork Proxies Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker in a privileged network position may be able to cause a denial of service Description: Multiple denial of service issues were addressed through improved memory handling. CVE-2017-7083: Abhinav Bansal of Zscaler Inc.
CFString Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13821: Australian Cyber Security Centre a Australian Signals Directorate Entry added October 31, 2017
CoreAudio Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed by updating to Opus version 1.1.4. CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend Micro
CoreText Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: A memory consumption issue was addressed through improved memory handling. CVE-2017-13825: Australian Cyber Security Centre a Australian Signals Directorate Entry added October 31, 2017
Exchange ActiveSync Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker in a privileged network position may be able to erase a device during Exchange account setup Description: A validation issue existed in AutoDiscover V1. This was addressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is now supported. CVE-2017-7088: Ilya Nesterov, Maxim Goncharov
file Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Multiple issues in file Description: Multiple issues were addressed by updating to version 5.31. CVE-2017-13815 Entry added October 31, 2017
Fonts Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Rendering untrusted text may lead to spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2017-13828: an anonymous researcher Entry added October 31, 2017
Heimdal Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker in a privileged network position may be able to impersonate a service Description: A validation issue existed in the handling of the KDC-REP service name. This issue was addressed through improved validation. CVE-2017-11103: Jeffrey Altman, Viktor Duchovni, and Nico Williams
HFS Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation 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-2017-13830: Sergej Schumilo of Ruhr-University Bochum Entry added October 31, 2017
iBooks Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service Description: Multiple denial of service issues were addressed through improved memory handling. CVE-2017-7072: JAdrzej Krysztofiak
ImageIO Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2017-13814: Australian Cyber Security Centre a Australian Signals Directorate Entry added October 31, 2017
ImageIO Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted image may lead to a denial of service Description: An information disclosure issue existed in the processing of disk images. This issue was addressed through improved memory management. CVE-2017-13831: an anonymous researcher Entry added October 31, 2017
Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7114: Alex Plaskett of MWR InfoSecurity
Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A local user may be able to read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed through improved input validation. CVE-2017-13817: Maxime Villard (m00nbsd) Entry added October 31, 2017
Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13818: The UK's National Cyber Security Centre (NCSC) CVE-2017-13836: an anonymous researcher, an anonymous researcher CVE-2017-13841: an anonymous researcher CVE-2017-13840: an anonymous researcher CVE-2017-13842: an anonymous researcher CVE-2017-13782: Kevin Backhouse of Semmle Ltd. Entry added October 31, 2017
Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13843: an anonymous researcher Entry added October 31, 2017
Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a malformed mach binary may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved validation. CVE-2017-13834: Maxime Villard (m00nbsd) Entry added October 31, 2017
Keyboard Suggestions Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Keyboard autocorrect suggestions may reveal sensitive information Description: The iOS keyboard was inadvertently caching sensitive information. This issue was addressed with improved heuristics. CVE-2017-7140: an anonymous researcher
libarchive Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution Description: A buffer overflow issue was addressed through improved memory handling. CVE-2017-13813: found by OSS-Fuzz CVE-2017-13816: found by OSS-Fuzz Entry added October 31, 2017
libarchive Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution Description: Multiple memory corruption issues existed in libarchive. These issues were addressed through improved input validation. CVE-2017-13812: found by OSS-Fuzz Entry added October 31, 2017
libc Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A remote attacker may be able to cause a denial-of-service Description: A resource exhaustion issue in glob() was addressed through an improved algorithm. CVE-2017-7086: Russ Cox of Google
libc Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to cause a denial of service Description: A memory consumption issue was addressed through improved memory handling. CVE-2017-1000373
libexpat Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Multiple issues in expat Description: Multiple issues were addressed by updating to version 2.2.1 CVE-2016-9063 CVE-2017-9233
Location Framework Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read sensitive location information Description: A permissions issue existed in the handling of the location variable. This was addressed with additional ownership checks. CVE-2017-7148: an anonymous researcher, an anonymous researcher
Mail Drafts Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker with a privileged network position may be able to intercept mail contents Description: An encryption issue existed in the handling of mail drafts. This issue was addressed with improved handling of mail drafts meant to be sent encrypted. CVE-2017-7078: an anonymous researcher, an anonymous researcher, an anonymous researcher
Mail MessageUI Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted image may lead to a denial of service Description: A memory corruption issue was addressed with improved validation. CVE-2017-7097: Xinshu Dong and Jun Hao Tan of Anquan Capital
Messages Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted image may lead to a denial of service Description: A denial of service issue was addressed through improved validation. CVE-2017-7118: Kiki Jiang and Jason Tokoph
MobileBackup Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Backup may perform an unencrypted backup despite a requirement to perform only encrypted backups Description: A permissions issue existed. This issue was addressed with improved permission validation. CVE-2017-7133: Don Sparks of HackediOS.com
Phone Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A screenshot of secure content may be taken when locking an iOS device Description: A timing issue existed in the handling of locking. This issue was addressed by disabling screenshots while locking. CVE-2017-7139: an anonymous researcher
Quick Look Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13822: Australian Cyber Security Centre a Australian Signals Directorate Entry added October 31, 2017
Quick Look Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution Description: A memory consumption issue was addressed through improved memory handling. CVE-2017-7132: Australian Cyber Security Centre a Australian Signals Directorate Entry added October 31, 2017
Safari Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Visiting a malicious website may lead to address bar spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2017-7085: xisigr of Tencent's Xuanwu Lab (tencent.com)
Security Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A revoked certificate may be trusted Description: A certificate validation issue existed in the handling of revocation data. This issue was addressed through improved validation. CVE-2017-7080: an anonymous researcher, an anonymous researcher, Sven Driemecker of adesso mobile solutions gmbh, Rune Darrud (@theflyingcorpse) of BA|rum kommune
Security Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious app may be able to track users between installs Description: A permission checking issue existed in the handling of an app's Keychain data. This issue was addressed with improved permission checking. CVE-2017-7146: an anonymous researcher
SQLite Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Multiple issues in SQLite Description: Multiple issues were addressed by updating to version 3.19.3. CVE-2017-10989: found by OSS-Fuzz CVE-2017-7128: found by OSS-Fuzz CVE-2017-7129: found by OSS-Fuzz CVE-2017-7130: found by OSS-Fuzz
SQLite Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation 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-2017-7127: an anonymous researcher
Time Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: "Setting Time Zone" may incorrectly indicate that it is using location Description: A permissions issue existed in the process that handles time zone information. The issue was resolved by modifying permissions. CVE-2017-7145: an anonymous researcher
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2017-7081: Apple
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2017-7087: Apple CVE-2017-7091: Wei Yuan of Baidu Security Lab working with Trend Micro's Zero Day Initiative CVE-2017-7092: Samuel Gro and Niklas Baumstark working with Trend Micro's Zero Day Initiative, Qixun Zhao (@S0rryMybad) of Qihoo 360 Vulcan Team CVE-2017-7093: Samuel Gro and Niklas Baumstark working with Trend Micro's Zero Day Initiative CVE-2017-7094: Tim Michaud (@TimGMichaud) of Leviathan Security Group CVE-2017-7095: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University working with Trend Micro's Zero Day Initiative CVE-2017-7096: Wei Yuan of Baidu Security Lab CVE-2017-7098: Felipe Freitas of Instituto TecnolA3gico de AeronA!utica CVE-2017-7099: Apple CVE-2017-7100: Masato Kinugawa and Mario Heiderich of Cure53 CVE-2017-7102: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University CVE-2017-7104: likemeng of Baidu Secutity Lab CVE-2017-7107: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University CVE-2017-7111: likemeng of Baidu Security Lab (xlab.baidu.com) working with Trend Micro's Zero Day Initiative CVE-2017-7117: lokihardt of Google Project Zero CVE-2017-7120: chenqin (ee|) of Ant-financial Light-Year Security Lab
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue existed in the handling of the parent-tab. This issue was addressed with improved state management. CVE-2017-7089: Anton Lopanitsyn of ONSEC, Frans RosA(c)n of Detectify
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Cookies belonging to one origin may be sent to another origin Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed by no longer returning cookies for custom URL schemes. CVE-2017-7090: Apple
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Visiting a malicious website may lead to address bar spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2017-7106: Oliver Paukstadt of Thinking Objects GmbH (to.com)
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to a cross site scripting attack Description: Application Cache policy may be unexpectedly applied. CVE-2017-7109: avlidienbrunn
WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious website may be able to track users in Safari private browsing mode Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed with improved restrictions. CVE-2017-7144: an anonymous researcher
Wi-Fi Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-11120: Gal Beniamini of Google Project Zero CVE-2017-11121: Gal Beniamini of Google Project Zero
Wi-Fi Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Malicious code executing on the Wi-Fi chip may be able to execute arbitrary code with kernel privileges on the application processor Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7103: Gal Beniamini of Google Project Zero CVE-2017-7105: Gal Beniamini of Google Project Zero CVE-2017-7108: Gal Beniamini of Google Project Zero CVE-2017-7110: Gal Beniamini of Google Project Zero CVE-2017-7112: Gal Beniamini of Google Project Zero
Wi-Fi Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Malicious code executing on the Wi-Fi chip may be able to execute arbitrary code with kernel privileges on the application processor Description: Multiple race conditions were addressed through improved validation. CVE-2017-7115: Gal Beniamini of Google Project Zero
Wi-Fi Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Malicious code executing on the Wi-Fi chip may be able to read restricted kernel memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-7116: Gal Beniamini of Google Project Zero
zlib Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Multiple issues in zlib Description: Multiple issues were addressed by updating to version 1.2.11. CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843
Installation note:
This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/
iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device.
The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device.
To check that the iPhone, iPod touch, or iPad has been updated:
- Navigate to Settings
- Select General
- Select About. The version after applying this update will be "11".
Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222
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"data": "On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205. Broadcom BCM4355C0 Wi-Fichips is a Wi-Fi chip from Broadcom. Wi-Fifirmware is the firmware used in it. A security vulnerability exists in the 9.44.78.27.0.1.56 version of the Broadcom BCM4355C0 Wi-Fi chip. An attacker could exploit the vulnerability to cause a denial of service (heap or stack overflow). Apple iOS and tvOS are prone to multiple arbitrary code-execution vulnerabilities. \nAn attacker can leverage these issues to execute arbitrary code within the context of the affected application. Failed exploit attempts will likely result in denial-of-service conditions. \nVersions prior to Apple tvOS 11 and iOS 11 are vulnerable. \nThese issues are being tracked by Android Bud IDs A-62575409 and A-62576413. Broadcom: Multiple overflows when handling 802.11r (FT) Reassociation Response \n\nCVE-2017-11121\n\n\nBroadcom produces Wi-Fi HardMAC SoCs which are used to handle the PHY and MAC layer processing. These chips are present in both mobile devices and Wi-Fi routers, and are capable of handling many Wi-Fi related events without delegating to the host OS. \n\nIn order to allow fast roaming between access points in a wireless network, the Broadcom firmware supports the Fast BSS Transition feature (IEEE 802.11r-2008 FT), allowing a client to roam between APs in the same mobility domain. When a client decides to roam to a different AP in an FT network (in the same mobility domain), it first performs Authentication and then Reassociation. \n\nDuring the Reassociation process, the client parses the Fast Transition Information Element in order to decrypt and install the embedded GTK. The FT-IE has the following structure:\n\n -----------------------------------------------------------------------\n | Tag (55) | Length | MIC CTRL | MIC | Anonce | Snonce | Sub-Elements |\n -----------------------------------------------------------------------\n 0 1 2 4 20 52 84 X\n\nWhere each sub-element has the following structure:\n\n ---------------------------------------------------------\n | Tag | Length | Key Info | Key Length | RSC | Key Data |\n ---------------------------------------------------------\n 0 1 2 4 5 13 X\n\n\n(See 802.11-2016, 9.4.2.48 for more information). \n\nOn the BCM4355C0 SoC with firmware version 9.44.78.27.0.1.56 the Fast Transition Reassociation process is handled by ROM function 0x8462C. This function retrieves the FT-IE from the last association response and parses it in order to extract the GTK. Here is the approximate high-level logic \nof this function:\n\nint function_8462C(...) {\n ... \n\n //Getting the FT-IE\n uint8_t* ft_ie = bcm_parse_tlvs(..., ..., 55); \n if (!ft_ie) \n return 0;\n\n //Getting the GTK Sub-Element\n uint8_t* gtk_subelem = bcm_parse_tlvs(ft_ie + 84, ft_ie[1] - 82, 2);\n if (!gtk_subelem)\n return 0;\n ... \n\n //Decrypting the GTK\n context_struct-\u003egtk_length = gtk_subelem[4];\n if (!function_6D8(16, ..., gtk_subelem[1] - 11, gtk_subelem + 13, \u0026context_struct-\u003edecrypted_gtk)) {\n\n //Installing the GTK\n function_C9C14(..., context_struct-\u003edecrypted_gtk, context_struct-\u003egtk_length, ...);\n ... \n }\n ... \n}\n\nfunction_6D8(unsigned key_length, char* key, unsigned input_length, char* input, char* output) {\n ... \n char buf[0x200];\n char buf2[0x8];\n\n //Validating the lengths\n if ( (key_length - 16) \u003e 16 ||\n ((0x80808000 \u003c\u003c (key_length - 16)) \u0026 0x80000000) == 0 ||\n input_length \u003e 0x188 ||\n input_length \u003c\u003c 29 )\n return 1;\n\n //Copying the input into a local stack buffer\n memcpy(buf2, input, 8);\n memcpy(buf + 8, input + 8, input_length - 8);\n\n //Do AES decryption\n ... \n}\n\nint function_C9C14(..., char* gtk, int gtk_len, ...) {\n ... \n char* key_buffer = malloc(164);\n ... \n memcpy(key_buffer + 8, gtk, gtk_len);\n ... \n}\n\nThe function above fails to validate all the length fields in the FT-IE and in the embedded subelement. As a result, an attacker can cause multiple overflows by sending crafted information elements. Here are some possible attacks:\n\n 1. The attacker sends a valid FT-IE with an embedded subelement containing a valid length field (gtk_subelem[1]), but with a large crafted value in the key length field (gtk_subelem[4]). Supplying such values will cause the decryption function (0x6D8) to succeed. However, after decrypting the key, function 0xC9C14 will be called in order to install the GTK, using the crafted key length field. Supplying a large value such as 255 in this field will cause the function to copy 255 bytes from the context structure into the heap allocated buffer, whose size is only 164 -- causing a heap overflow. \n\n 2. The attacker sends a valid FT-IE with an embedded subelement whose length field (gtk_subelem[1]) is exactly 11. As we can see above, \"gtk_subelem[1] - 11\" is provided to the decryption function as the \"input_length\" field. Although the decryption function does perform some validations on the input length field, it fails to ensure that the field is larger than 8. After performing the validations, it calls \"memcpy(buf + 8, input + 8, input_length - 8)\" in order to copy the input into a stack-allocated buffer. If the input length is zero, \"input_length - 8\" will underflow, resulting in a large length argument in the memcpy. I\u0027m not sure whether this is exploitable -- if timed correctly, it might be possible to corrupt important values after the stack, such as the global PCIE structure located at the end of RAM, which would allow the attacker to trigger writes into arbitrary locations in the host\u0027s memory. \n\nThis bug can be addressed by validating the GTK subelement length fields. \n\nThis bug is subject to a 90 day disclosure deadline. After 90 days elapse\nor a patch has been made broadly available, the bug report will become\nvisible to the public. \n\n\n\n\nFound by: laginimaineb\n\n. \nCVE-2016-9840\nCVE-2016-9841\nCVE-2016-9842\nCVE-2016-9843\nEntry added September 25, 2017\n\nAdditional recognition\n\nSecurity\nWe would like to acknowledge Abhinav Bansal of Zscaler, Inc. \nfor their assistance. \n\nWebkit\nWe would like to acknowledge xisigr of Tencent\u0027s Xuanwu Lab\n(tencent.com) for their assistance. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\nAPPLE-SA-2017-10-31-9\nAdditional information for APPLE-SA-2017-09-19-1 iOS 11\n\niOS 11 addresses the following:\n\n802.1X\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An attacker may be able to exploit weaknesses in TLS 1.0\nDescription: A protocol security issue was addressed by enabling TLS\n1.1 and TLS 1.2. \nCVE-2017-13832: an anonymous researcher\nEntry added October 31, 2017\n\nBluetooth\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An application may be able to access restricted files\nDescription: A privacy issue existed in the handling of Contact\ncards. This was addressed with improved state management. \nCVE-2017-7131: Dominik Conrads of Federal Office for Information\nSecurity, an anonymous researcher, Elvis (@elvisimprsntr), an\nanonymous researcher\n\nCFNetwork Proxies\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An attacker in a privileged network position may be able to\ncause a denial of service\nDescription: Multiple denial of service issues were addressed through\nimproved memory handling. \nCVE-2017-7083: Abhinav Bansal of Zscaler Inc. \n\nCFString\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An application may be able to read restricted memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-13821: Australian Cyber Security Centre a Australian Signals\nDirectorate\nEntry added October 31, 2017\n\nCoreAudio\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An application may be able to read restricted memory\nDescription: An out-of-bounds read was addressed by updating to Opus\nversion 1.1.4. \nCVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend\nMicro\n\nCoreText\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Processing a maliciously crafted font file may lead to\narbitrary code execution\nDescription: A memory consumption issue was addressed through\nimproved memory handling. \nCVE-2017-13825: Australian Cyber Security Centre a Australian Signals\nDirectorate\nEntry added October 31, 2017\n\nExchange ActiveSync\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An attacker in a privileged network position may be able to\nerase a device during Exchange account setup\nDescription: A validation issue existed in AutoDiscover V1. This was\naddressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is\nnow supported. \nCVE-2017-7088: Ilya Nesterov, Maxim Goncharov\n\nfile\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Multiple issues in file\nDescription: Multiple issues were addressed by updating to version\n5.31. \nCVE-2017-13815\nEntry added October 31, 2017\n\nFonts\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Rendering untrusted text may lead to spoofing\nDescription: An inconsistent user interface issue was addressed with\nimproved state management. \nCVE-2017-13828: an anonymous researcher\nEntry added October 31, 2017\n\nHeimdal\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An attacker in a privileged network position may be able\nto impersonate a service\nDescription: A validation issue existed in the handling of\nthe KDC-REP service name. This issue was addressed through improved\nvalidation. \nCVE-2017-11103: Jeffrey Altman, Viktor Duchovni, and Nico Williams\n\nHFS\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\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-2017-13830: Sergej Schumilo of Ruhr-University Bochum\nEntry added October 31, 2017\n\niBooks\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Parsing a maliciously crafted iBooks file may lead to a\npersistent denial-of-service\nDescription: Multiple denial of service issues were addressed through\nimproved memory handling. \nCVE-2017-7072: JAdrzej Krysztofiak\n\nImageIO\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: A memory corruption issue was addressed through improved\ninput validation. \nCVE-2017-13814: Australian Cyber Security Centre a Australian Signals\nDirectorate\nEntry added October 31, 2017\n\nImageIO\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Processing a maliciously crafted image may lead to a denial\nof service\nDescription: An information disclosure issue existed in the\nprocessing of disk images. This issue was addressed through improved\nmemory management. \nCVE-2017-13831: an anonymous researcher\nEntry added October 31, 2017\n\nKernel\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-7114: Alex Plaskett of MWR InfoSecurity\n\nKernel\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: A local user may be able to read kernel memory\nDescription: An out-of-bounds read issue existed that led to the\ndisclosure of kernel memory. This was addressed through improved\ninput validation. \nCVE-2017-13817: Maxime Villard (m00nbsd)\nEntry added October 31, 2017\n\nKernel\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An application may be able to read restricted memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-13818: The UK\u0027s National Cyber Security Centre (NCSC)\nCVE-2017-13836: an anonymous researcher, an anonymous researcher\nCVE-2017-13841: an anonymous researcher\nCVE-2017-13840: an anonymous researcher\nCVE-2017-13842: an anonymous researcher\nCVE-2017-13782: Kevin Backhouse of Semmle Ltd. \nEntry added October 31, 2017\n\nKernel\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13843: an anonymous researcher\nEntry added October 31, 2017\n\nKernel\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Processing a malformed mach binary may lead to arbitrary code\nexecution\nDescription: A memory corruption issue was addressed through improved\nvalidation. \nCVE-2017-13834: Maxime Villard (m00nbsd)\nEntry added October 31, 2017\n\nKeyboard Suggestions\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Keyboard autocorrect suggestions may reveal sensitive\ninformation\nDescription: The iOS keyboard was inadvertently caching sensitive\ninformation. This issue was addressed with improved heuristics. \nCVE-2017-7140: an anonymous researcher\n\nlibarchive\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Unpacking a maliciously crafted archive may lead to arbitrary\ncode execution\nDescription: A buffer overflow issue was addressed through improved\nmemory handling. \nCVE-2017-13813: found by OSS-Fuzz\nCVE-2017-13816: found by OSS-Fuzz\nEntry added October 31, 2017\n\nlibarchive\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Unpacking a maliciously crafted archive may lead to arbitrary\ncode execution\nDescription: Multiple memory corruption issues existed in libarchive. \nThese issues were addressed through improved input validation. \nCVE-2017-13812: found by OSS-Fuzz\nEntry added October 31, 2017\n\nlibc\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: A remote attacker may be able to cause a denial-of-service\nDescription: A resource exhaustion issue in glob() was addressed\nthrough an improved algorithm. \nCVE-2017-7086: Russ Cox of Google\n\nlibc\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An application may be able to cause a denial of service\nDescription: A memory consumption issue was addressed through\nimproved memory handling. \nCVE-2017-1000373\n\nlibexpat\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Multiple issues in expat\nDescription: Multiple issues were addressed by updating to version\n2.2.1\nCVE-2016-9063\nCVE-2017-9233\n\nLocation Framework\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An application may be able to read sensitive location\ninformation\nDescription: A permissions issue existed in the handling of the\nlocation variable. This was addressed with additional ownership\nchecks. \nCVE-2017-7148: an anonymous researcher, an anonymous researcher\n\nMail Drafts\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An attacker with a privileged network position may be able to\nintercept mail contents\nDescription: An encryption issue existed in the handling of mail\ndrafts. This issue was addressed with improved handling of mail\ndrafts meant to be sent encrypted. \nCVE-2017-7078: an anonymous researcher, an anonymous researcher, an\nanonymous researcher\n\nMail MessageUI\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing a maliciously crafted image may lead to a denial\nof service\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2017-7097: Xinshu Dong and Jun Hao Tan of Anquan Capital\n\nMessages\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing a maliciously crafted image may lead to a denial\nof service\nDescription: A denial of service issue was addressed through improved\nvalidation. \nCVE-2017-7118: Kiki Jiang and Jason Tokoph\n\nMobileBackup\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Backup may perform an unencrypted backup despite a\nrequirement to perform only encrypted backups\nDescription: A permissions issue existed. This issue was addressed\nwith improved permission validation. \nCVE-2017-7133: Don Sparks of HackediOS.com\n\nPhone\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: A screenshot of secure content may be taken when locking an\niOS device\nDescription: A timing issue existed in the handling of locking. This\nissue was addressed by disabling screenshots while locking. \nCVE-2017-7139: an anonymous researcher\n\nQuick Look\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: An application may be able to read restricted memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-13822: Australian Cyber Security Centre a Australian Signals\nDirectorate\nEntry added October 31, 2017\n\nQuick Look\nAvailable for: iPhone 5s and later, iPad Air and later, and iPod\ntouch 6th generation\nImpact: Parsing a maliciously crafted office document may lead to an\nunexpected application termination or arbitrary code execution\nDescription: A memory consumption issue was addressed through\nimproved memory handling. \nCVE-2017-7132: Australian Cyber Security Centre a Australian Signals\nDirectorate\nEntry added October 31, 2017\n\nSafari\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Visiting a malicious website may lead to address bar spoofing\nDescription: An inconsistent user interface issue was addressed with\nimproved state management. \nCVE-2017-7085: xisigr of Tencent\u0027s Xuanwu Lab (tencent.com)\n\nSecurity\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: A revoked certificate may be trusted\nDescription: A certificate validation issue existed in the handling\nof revocation data. This issue was addressed through improved\nvalidation. \nCVE-2017-7080: an anonymous researcher, an anonymous researcher,\nSven Driemecker of adesso mobile solutions gmbh,\nRune Darrud (@theflyingcorpse) of BA|rum kommune\n\nSecurity\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: A malicious app may be able to track users between installs\nDescription: A permission checking issue existed in the handling of\nan app\u0027s Keychain data. This issue was addressed with improved\npermission checking. \nCVE-2017-7146: an anonymous researcher\n\nSQLite\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Multiple issues in SQLite\nDescription: Multiple issues were addressed by updating to\nversion 3.19.3. \nCVE-2017-10989: found by OSS-Fuzz\nCVE-2017-7128: found by OSS-Fuzz\nCVE-2017-7129: found by OSS-Fuzz\nCVE-2017-7130: found by OSS-Fuzz\n\nSQLite\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\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-2017-7127: an anonymous researcher\n\nTime\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: \"Setting Time Zone\" may incorrectly indicate that it is using\nlocation\nDescription: A permissions issue existed in the process that handles\ntime zone information. The issue was resolved by modifying\npermissions. \nCVE-2017-7145: an anonymous researcher\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A memory corruption issue was addressed through improved\ninput validation. \nCVE-2017-7081: Apple\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: Multiple memory corruption issues were addressed with\nimproved memory handling. \nCVE-2017-7087: Apple\nCVE-2017-7091: Wei Yuan of Baidu Security Lab working with Trend\nMicro\u0027s Zero Day Initiative\nCVE-2017-7092: Samuel Gro and Niklas Baumstark working with Trend\nMicro\u0027s Zero Day Initiative, Qixun Zhao (@S0rryMybad) of Qihoo 360\nVulcan Team\nCVE-2017-7093: Samuel Gro and Niklas Baumstark working with Trend\nMicro\u0027s Zero Day Initiative\nCVE-2017-7094: Tim Michaud (@TimGMichaud) of Leviathan Security Group\nCVE-2017-7095: Wang Junjie, Wei Lei, and Liu Yang of Nanyang\nTechnological University working with Trend Micro\u0027s Zero Day\nInitiative\nCVE-2017-7096: Wei Yuan of Baidu Security Lab\nCVE-2017-7098: Felipe Freitas of Instituto TecnolA3gico de AeronA!utica\nCVE-2017-7099: Apple\nCVE-2017-7100: Masato Kinugawa and Mario Heiderich of Cure53\nCVE-2017-7102: Wang Junjie, Wei Lei, and Liu Yang of Nanyang\nTechnological University\nCVE-2017-7104: likemeng of Baidu Secutity Lab\nCVE-2017-7107: Wang Junjie, Wei Lei, and Liu Yang of Nanyang\nTechnological University\nCVE-2017-7111: likemeng of Baidu Security Lab (xlab.baidu.com)\nworking with Trend Micro\u0027s Zero Day Initiative\nCVE-2017-7117: lokihardt of Google Project Zero\nCVE-2017-7120: chenqin (ee|) of Ant-financial Light-Year Security\nLab\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing maliciously crafted web content may lead to\nuniversal cross site scripting\nDescription: A logic issue existed in the handling of the parent-tab. \nThis issue was addressed with improved state management. \nCVE-2017-7089: Anton Lopanitsyn of ONSEC, Frans RosA(c)n of Detectify\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Cookies belonging to one origin may be sent to another origin\nDescription: A permissions issue existed in the handling of web\nbrowser cookies. This issue was addressed by no longer returning\ncookies for custom URL schemes. \nCVE-2017-7090: Apple\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Visiting a malicious website may lead to address bar spoofing\nDescription: An inconsistent user interface issue was addressed with\nimproved state management. \nCVE-2017-7106: Oliver Paukstadt of Thinking Objects GmbH (to.com)\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Processing maliciously crafted web content may lead to a\ncross site scripting attack\nDescription: Application Cache policy may be unexpectedly applied. \nCVE-2017-7109: avlidienbrunn\n\nWebKit\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: A malicious website may be able to track users in Safari\nprivate browsing mode\nDescription: A permissions issue existed in the handling of web\nbrowser cookies. This issue was addressed with improved restrictions. \nCVE-2017-7144: an anonymous researcher\n\nWi-Fi\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: An attacker within range may be able to execute arbitrary\ncode on the Wi-Fi chip\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-11120: Gal Beniamini of Google Project Zero\nCVE-2017-11121: Gal Beniamini of Google Project Zero\n\nWi-Fi\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Malicious code executing on the Wi-Fi chip may be able to\nexecute arbitrary code with kernel privileges on the application\nprocessor\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-7103: Gal Beniamini of Google Project Zero\nCVE-2017-7105: Gal Beniamini of Google Project Zero\nCVE-2017-7108: Gal Beniamini of Google Project Zero\nCVE-2017-7110: Gal Beniamini of Google Project Zero\nCVE-2017-7112: Gal Beniamini of Google Project Zero\n\nWi-Fi\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Malicious code executing on the Wi-Fi chip may be able to\nexecute arbitrary code with kernel privileges on the application\nprocessor\nDescription: Multiple race conditions were addressed through improved\nvalidation. \nCVE-2017-7115: Gal Beniamini of Google Project Zero\n\nWi-Fi\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Malicious code executing on the Wi-Fi chip may be able to\nread restricted kernel memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-7116: Gal Beniamini of Google Project Zero\n\nzlib\nAvailable for: iPhone 5s and later, iPad Air and later,\nand iPod touch 6th generation\nImpact: Multiple issues in zlib\nDescription: Multiple issues were addressed by updating to version\n1.2.11. \nCVE-2016-9840\nCVE-2016-9841\nCVE-2016-9842\nCVE-2016-9843\n\nInstallation note:\n\nThis update is available through iTunes and Software Update on your\niOS device, and will not appear in your computer\u0027s Software Update\napplication, or in the Apple Downloads site. Make sure you have an\nInternet connection and have installed the latest version of iTunes\nfrom https://www.apple.com/itunes/\n\niTunes and Software Update on the device will automatically check\nApple\u0027s update server on its weekly schedule. When an update is\ndetected, it is downloaded and the option to be installed is\npresented to the user when the iOS device is docked. We recommend\napplying the update immediately if possible. Selecting Don\u0027t Install\nwill present the option the next time you connect your iOS device. \n\nThe automatic update process may take up to a week depending on the\nday that iTunes or the device checks for updates. You may manually\nobtain the update via the Check for Updates button within iTunes, or\nthe Software Update on your device. \n\nTo check that the iPhone, iPod touch, or iPad has been updated:\n\n* Navigate to Settings\n* Select General\n* Select About. 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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.