Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
4111 vulnerabilities reference this CWE, most recent first.
CVE-2017-16717 (GCVE-0-2017-16717)
Vulnerability from cvelistv5 – Published: 2017-12-20 19:00 – Updated: 2024-08-05 20:35
VLAI
EPSS
VEX
Summary
A Heap-based Buffer Overflow issue was discovered in WECON LeviStudio HMI. The heap-based buffer overflow vulnerability has been identified, which may allow remote code execution.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-17-353-05 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | WECON Technology Co., Ltd. LeviStudio HMI |
Affected:
WECON Technology Co., Ltd. LeviStudio HMI
|
Date Public
2017-12-20 00:00
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CVE-2017-13090 (GCVE-0-2017-13090)
Vulnerability from cvelistv5 – Published: 2017-10-27 19:00 – Updated: 2024-09-16 18:23
VLAI
EPSS
VEX
Title
GNU Wget: heap overflow in HTTP protocol handling
Summary
The retr.c:fd_read_body() function is called when processing OK responses. When the response is sent chunked in wget before 1.19.2, the chunk parser uses strtol() to read each chunk's length, but doesn't check that the chunk length is a non-negative number. The code then tries to read the chunk in pieces of 8192 bytes by using the MIN() macro, but ends up passing the negative chunk length to retr.c:fd_read(). As fd_read() takes an int argument, the high 32 bits of the chunk length are discarded, leaving fd_read() with a completely attacker controlled length argument. The attacker can corrupt malloc metadata after the allocated buffer.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://www.viestintavirasto.fi/en/cybersecurity/… | x_refsource_MISC |
| http://www.securityfocus.com/bid/101590 | vdb-entryx_refsource_BID |
| https://security.gentoo.org/glsa/201711-06 | vendor-advisoryx_refsource_GENTOO |
| http://www.debian.org/security/2017/dsa-4008 | vendor-advisoryx_refsource_DEBIAN |
| https://www.synology.com/support/security/Synolog… | x_refsource_CONFIRM |
| http://git.savannah.gnu.org/cgit/wget.git/commit/… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1039661 | vdb-entryx_refsource_SECTRACK |
| https://access.redhat.com/errata/RHSA-2017:3075 | vendor-advisoryx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GNU Project | Wget |
Affected:
prior to 1.19.2
|
Date Public
2017-10-27 00:00
Credits
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CVE-2017-12704 (GCVE-0-2017-12704)
Vulnerability from cvelistv5 – Published: 2017-08-30 18:00 – Updated: 2024-08-05 18:43
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02 | x_refsource_MISC |
| http://www.securityfocus.com/bid/100526 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Advantech WebAccess |
Affected:
Advantech WebAccess
|
Date Public
2017-08-30 00:00
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CVE-2017-9636 (GCVE-0-2017-9636)
Vulnerability from cvelistv5 – Published: 2018-04-17 14:00 – Updated: 2024-09-16 18:50
VLAI
EPSS
VEX
Summary
Mitsubishi E-Designer, Version 7.52 Build 344 contains five code sections which may be exploited to overwrite the heap. This can result in arbitrary code execution, compromised data integrity, denial of service, and system crash.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap based buffer overflow CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-17-213-01 | x_refsource_MISC |
| http://www.securityfocus.com/bid/100097 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mitsubishi Electric Europe B.V. | E-Designer |
Affected:
Version 7.52 Build 344.
|
Date Public
2017-08-01 00:00
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CVE-2017-7908 (GCVE-0-2017-7908)
Vulnerability from cvelistv5 – Published: 2018-10-02 21:00 – Updated: 2024-09-17 03:12
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow exists in the third-party product Gigasoft, v5 and prior, included in GE Communicator 3.15 and prior. A malicious HTML file that loads the ActiveX controls can trigger the vulnerability via unchecked function calls.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-275-02 | x_refsource_MISC |
| http://www.securityfocus.com/bid/99580 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GE | GE Communicator |
Affected:
Communicator 3.15 and prior.
|
Date Public
2018-10-02 00:00
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CVE-2017-7555 (GCVE-0-2017-7555)
Vulnerability from cvelistv5 – Published: 2017-08-17 19:00 – Updated: 2024-09-17 02:36
VLAI
EPSS
VEX
Summary
Augeas versions up to and including 1.8.0 are vulnerable to heap-based buffer overflow due to improper handling of escaped strings. Attacker could send crafted strings that would cause the application using augeas to copy past the end of a buffer, leading to a crash or possible code execution.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://puppet.com/security/cve/cve-2017-7555 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/100378 | vdb-entryx_refsource_BID |
| https://access.redhat.com/errata/RHSA-2017:2788 | vendor-advisoryx_refsource_REDHAT |
| https://github.com/hercules-team/augeas/pull/480 | x_refsource_MISC |
| http://www.debian.org/security/2017/dsa-3949 | vendor-advisoryx_refsource_DEBIAN |
| https://access.redhat.com/errata/RHSA-2019:2403 | vendor-advisoryx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat, Inc. | augeas |
Affected:
up to and including 1.8.0
|
Date Public
2017-08-17 00:00
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CVE-2017-6037 (GCVE-0-2017-6037)
Vulnerability from cvelistv5 – Published: 2017-04-27 00:00 – Updated: 2024-08-05 15:18
VLAI
EPSS
VEX
Summary
A Heap-Based Buffer Overflow issue was discovered in Wecon Technologies LEVI Studio HMI Editor before 1.8.1. This vulnerability causes a buffer overflow when a maliciously crafted project file is run by the system.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/97639 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-103-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Wecon Technologies LEVI Studio HMI Editor |
Affected:
Wecon Technologies LEVI Studio HMI Editor
|
Date Public
2017-04-26 00:00
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CVE-2017-2591 (GCVE-0-2017-2591)
Vulnerability from cvelistv5 – Published: 2018-04-30 12:00 – Updated: 2024-08-05 14:02
VLAI
EPSS
VEX
Summary
389-ds-base before version 1.3.6 is vulnerable to an improperly NULL terminated array in the uniqueness_entry_to_config() function in the "attribute uniqueness" plugin of 389 Directory Server. An authenticated, or possibly unauthenticated, attacker could use this flaw to force an out-of-bound heap memory read, possibly triggering a crash of the LDAP service.
Severity
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://pagure.io/389-ds-base/issue/48986 | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/95670 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| unspecified | 389-ds-base |
Affected:
389-ds-base 1.3.6
|
Date Public
2016-09-13 00:00
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CVE-2016-9603 (GCVE-0-2016-9603)
Vulnerability from cvelistv5 – Published: 2018-07-27 21:00 – Updated: 2024-08-06 02:59
VLAI
EPSS
VEX
Summary
A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
Severity
5.5 (Medium)
CWE
Assigner
References
18 references
Date Public
2017-03-07 00:00
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CVE-2016-9586 (GCVE-0-2016-9586)
Vulnerability from cvelistv5 – Published: 2018-04-23 18:00 – Updated: 2026-04-15 21:03
VLAI
EPSS
VEX
Summary
curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor-advisoryx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://curl.haxx.se/docs/adv_20161221A.html | x_refsource_CONFIRM |
| https://github.com/curl/curl/commit/curl-7_51_0-1… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1037515 | vdb-entryx_refsource_SECTRACK |
| http://www.oracle.com/technetwork/security-adviso… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/95019 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_MISC |
| https://security.gentoo.org/glsa/201701-47 | vendor-advisoryx_refsource_GENTOO |
| https://lists.apache.org/thread.html/rf4c02775860… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r58af02e294b… | mailing-listx_refsource_MLIST |
Date Public
2016-12-21 00:00
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Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.