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().
4204 vulnerabilities reference this CWE, most recent first.
GHSA-WPR3-PFV2-CHJQ
Vulnerability from github – Published: 2022-05-17 03:47 – Updated: 2025-06-09 18:31
VLAI
Details
Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might allow context-dependent attackers to execute arbitrary code via a "very wide interlaced" PNG image.
Severity
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2014-9495"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2015-01-10T19:59:00Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might allow context-dependent attackers to execute arbitrary code via a \"very wide interlaced\" PNG image.",
"id": "GHSA-wpr3-pfv2-chjq",
"modified": "2025-06-09T18:31:54Z",
"published": "2022-05-17T03:47:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-9495"
},
{
"type": "WEB",
"url": "https://support.apple.com/HT206167"
},
{
"type": "WEB",
"url": "http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/62725"
},
{
"type": "WEB",
"url": "http://sourceforge.net/p/png-mng/mailman/message/33172831"
},
{
"type": "WEB",
"url": "http://sourceforge.net/p/png-mng/mailman/message/33173461"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2015/01/04/3"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2015/01/10/1"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2015/01/10/3"
},
{
"type": "WEB",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/71820"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1031444"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WPWW-4QVV-XPV8
Vulnerability from github – Published: 2026-05-06 00:31 – Updated: 2026-07-28 15:31
VLAI
Details
Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-28780"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-05T22:16:00Z",
"severity": "CRITICAL"
},
"details": "Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.\nIf mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
"id": "GHSA-wpww-4qvv-xpv8",
"modified": "2026-07-28T15:31:53Z",
"published": "2026-05-06T00:31:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28780"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:21391"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:21433"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22140"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27200"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27201"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36373"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36831"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36846"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:47046"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-28780"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466913"
},
{
"type": "WEB",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28780.json"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2026/05/05/9"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WQ4M-7CP4-8JGG
Vulnerability from github – Published: 2025-04-08 18:34 – Updated: 2025-04-08 18:34
VLAI
Details
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2025-26674"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-08T18:15:51Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.",
"id": "GHSA-wq4m-7cp4-8jgg",
"modified": "2025-04-08T18:34:47Z",
"published": "2025-04-08T18:34:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26674"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26674"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WQ4Q-895P-V538
Vulnerability from github – Published: 2024-09-30 21:31 – Updated: 2025-01-29 18:31
VLAI
Details
A maliciously crafted DWF file, when parsed in dwfcore.dll through Autodesk Navisworks, can force a Heap-based Buffer Overflow. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of the current process.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2024-7674"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-30T21:15:04Z",
"severity": "HIGH"
},
"details": "A maliciously crafted DWF file, when parsed in dwfcore.dll through Autodesk Navisworks, can force a Heap-based Buffer Overflow. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of the current process.",
"id": "GHSA-wq4q-895p-v538",
"modified": "2025-01-29T18:31:19Z",
"published": "2024-09-30T21:31:08Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7674"
},
{
"type": "WEB",
"url": "https://autodesk.com/trust/security-advisories/adsk-sa-2024-0015"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0015"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WQ7H-4RJ5-5HV9
Vulnerability from github – Published: 2025-07-09 00:30 – Updated: 2025-07-09 00:30
VLAI
Details
InDesign Desktop versions 19.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2025-47134"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-08T22:15:25Z",
"severity": "HIGH"
},
"details": "InDesign Desktop versions 19.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
"id": "GHSA-wq7h-4rj5-5hv9",
"modified": "2025-07-09T00:30:32Z",
"published": "2025-07-09T00:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47134"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/indesign/apsb25-60.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WQ83-W9R6-H456
Vulnerability from github – Published: 2026-04-30 09:30 – Updated: 2026-04-30 15:30
VLAI
Details
When processing the header of an incoming message, libnv failed to properly validate the message size.
The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges.
Severity
9.1 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-35547"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-30T09:16:03Z",
"severity": "CRITICAL"
},
"details": "When processing the header of an incoming message, libnv failed to properly validate the message size.\n\nThe lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges.",
"id": "GHSA-wq83-w9r6-h456",
"modified": "2026-04-30T15:30:39Z",
"published": "2026-04-30T09:30:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35547"
},
{
"type": "WEB",
"url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:17.libnv.asc"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WQQW-J26H-M6W3
Vulnerability from github – Published: 2024-02-15 15:30 – Updated: 2024-02-15 15:30
VLAI
Details
Audition versions 24.0.3, 23.6.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2024-20739"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-02-15T13:15:48Z",
"severity": "HIGH"
},
"details": "Audition versions 24.0.3, 23.6.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
"id": "GHSA-wqqw-j26h-m6w3",
"modified": "2024-02-15T15:30:28Z",
"published": "2024-02-15T15:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20739"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/audition/apsb24-11.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WR44-J4Q5-5C9W
Vulnerability from github – Published: 2024-07-09 18:30 – Updated: 2024-07-09 18:30
VLAI
Details
SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability
Severity
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2024-37326"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-09T17:15:20Z",
"severity": "HIGH"
},
"details": "SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability",
"id": "GHSA-wr44-j4q5-5c9w",
"modified": "2024-07-09T18:30:50Z",
"published": "2024-07-09T18:30:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37326"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-37326"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-WRHR-RF8J-R842
Vulnerability from github – Published: 2026-03-12 14:04 – Updated: 2026-03-12 14:04
VLAI
Summary
ImageMagick: Heap overflow in pcd decoder leads to out of bounds read.
Details
The pcd coder lacks proper boundary checking when processing Huffman-coded data. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read.
==3900053==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000003c6c at pc 0x55601b9cc552 bp 0x7ffd904b1f70 sp 0x7ffd904b1f60
READ of size 1 at 0x502000003c6c thread T0
Severity
6.5 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q16-AnyCPU"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "14.10.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q16-HDRI-AnyCPU"
},
"ranges": [
{
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{
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},
{
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}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q16-HDRI-OpenMP-arm64"
},
"ranges": [
{
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{
"introduced": "0"
},
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"fixed": "14.10.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q16-HDRI-arm64"
},
"ranges": [
{
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{
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}
],
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},
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"package": {
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"name": "Magick.NET-Q16-HDRI-x64"
},
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"name": "Magick.NET-Q16-HDRI-x86"
},
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],
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}
]
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"name": "Magick.NET-Q16-OpenMP-arm64"
},
"ranges": [
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},
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"name": "Magick.NET-Q8-OpenMP-x64"
},
"ranges": [
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},
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}
],
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}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q8-arm64"
},
"ranges": [
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},
{
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"name": "Magick.NET-Q8-x64"
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{
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"name": "Magick.NET-Q8-x86"
},
"ranges": [
{
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{
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{
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],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-26284"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-125"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-12T14:04:31Z",
"nvd_published_at": "2026-02-24T03:16:01Z",
"severity": "MODERATE"
},
"details": "The pcd coder lacks proper boundary checking when processing Huffman-coded data. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read.\n\n```\n==3900053==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000003c6c at pc 0x55601b9cc552 bp 0x7ffd904b1f70 sp 0x7ffd904b1f60\nREAD of size 1 at 0x502000003c6c thread T0\n```",
"id": "GHSA-wrhr-rf8j-r842",
"modified": "2026-03-12T14:04:31Z",
"published": "2026-03-12T14:04:31Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wrhr-rf8j-r842"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26284"
},
{
"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
},
{
"type": "WEB",
"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick: Heap overflow in pcd decoder leads to out of bounds read."
}
GHSA-WRXX-PV2P-6GJJ
Vulnerability from github – Published: 2024-07-30 21:31 – Updated: 2024-08-01 15:32
VLAI
Details
A heap buffer overflow in the function cp_stored() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.
Severity
6.2 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-41438"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-30T19:15:11Z",
"severity": "MODERATE"
},
"details": "A heap buffer overflow in the function cp_stored() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.",
"id": "GHSA-wrxx-pv2p-6gjj",
"modified": "2024-08-01T15:32:15Z",
"published": "2024-07-30T21:31:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41438"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/vulDescription.assets/image-20240530184723547.png"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/vulDescription.assets/image-20240530184848743.png"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/vulDescription.assets/image-20240530185015780.png"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/vulDescription.md"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/tree/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/poc"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/tree/master/hicolor/heapof-r65280-cp_stored-cute_png-543c2/poc/sample10.png"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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.