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().
5424 vulnerabilities reference this CWE, most recent first.
GHSA-MFM3-VRWM-47VV
Vulnerability from github – Published: 2025-12-09 18:30 – Updated: 2025-12-09 18:30
VLAI
Details
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2025-64679"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-09T18:16:07Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-mfm3-vrwm-47vv",
"modified": "2025-12-09T18:30:48Z",
"published": "2025-12-09T18:30:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64679"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64679"
}
],
"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-MFVP-3QW7-V5GW
Vulnerability from github – Published: 2026-06-01 06:30 – Updated: 2026-06-01 15:30
VLAI
Details
In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.
Severity
8.0 (High)
{
"affected": [],
"aliases": [
"CVE-2026-20452"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-01T04:16:21Z",
"severity": "HIGH"
},
"details": "In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.",
"id": "GHSA-mfvp-3qw7-v5gw",
"modified": "2026-06-01T15:30:40Z",
"published": "2026-06-01T06:30:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20452"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/June-2026"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-MG3W-R22V-26V7
Vulnerability from github – Published: 2026-09-08 18:33 – Updated: 2026-09-08 18:33
VLAI
Details
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-83955"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:21:05Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-mg3w-r22v-26v7",
"modified": "2026-09-08T18:33:36Z",
"published": "2026-09-08T18:33:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83955"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83955"
}
],
"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-MG48-HPHX-5F64
Vulnerability from github – Published: 2026-09-08 18:33 – Updated: 2026-09-08 18:33
VLAI
Details
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-83977"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:21:07Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-mg48-hphx-5f64",
"modified": "2026-09-08T18:33:36Z",
"published": "2026-09-08T18:33:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83977"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83977"
}
],
"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-MG5R-49W7-J3CV
Vulnerability from github – Published: 2026-08-19 18:32 – Updated: 2026-08-19 18:32
VLAI
Details
FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.
Severity
{
"affected": [],
"aliases": [
"CVE-2026-75144"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-19T17:21:12Z",
"severity": "HIGH"
},
"details": "FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.",
"id": "GHSA-mg5r-49w7-j3cv",
"modified": "2026-08-19T18:32:51Z",
"published": "2026-08-19T18:32:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75144"
},
{
"type": "WEB",
"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/1cdeb3c4e7f1f8566d846b9b451e01c376398818"
},
{
"type": "WEB",
"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24091"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/ffmpeg-heap-buffer-overflow-in-vc-2-dirac-rtp-packetizer"
}
],
"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"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-MGC5-P43F-72PC
Vulnerability from github – Published: 2024-09-10 15:31 – Updated: 2025-11-04 00:31
VLAI
Details
A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the pkcs15-init tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution.
Severity
{
"affected": [],
"aliases": [
"CVE-2024-8443"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-10T14:15:13Z",
"severity": "LOW"
},
"details": "A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the `pkcs15-init` tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution.",
"id": "GHSA-mgc5-p43f-72pc",
"modified": "2025-11-04T00:31:23Z",
"published": "2024-09-10T15:31:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8443"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2024-8443"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2310494"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-MGC9-26PX-4HJP
Vulnerability from github – Published: 2025-12-01 18:30 – Updated: 2025-12-01 18:30
VLAI
Details
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.
Severity
9.0 (Critical)
{
"affected": [],
"aliases": [
"CVE-2025-8351"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-01T16:15:57Z",
"severity": "CRITICAL"
},
"details": "Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.",
"id": "GHSA-mgc9-26px-4hjp",
"modified": "2025-12-01T18:30:38Z",
"published": "2025-12-01T18:30:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8351"
},
{
"type": "WEB",
"url": "https://www.gendigital.com/us/en/contact-us/security-advisories"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-MGHH-4M9H-VQXX
Vulnerability from github – Published: 2024-04-09 18:30 – Updated: 2024-04-09 18:30
VLAI
Details
Microsoft OLE DB Driver for SQL Server Remote Code Execution Vulnerability
Severity
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2024-28910"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-09T17:15:50Z",
"severity": "HIGH"
},
"details": "Microsoft OLE DB Driver for SQL Server Remote Code Execution Vulnerability",
"id": "GHSA-mghh-4m9h-vqxx",
"modified": "2024-04-09T18:30:26Z",
"published": "2024-04-09T18:30:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28910"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-28910"
}
],
"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-MGPW-5W39-9553
Vulnerability from github – Published: 2024-07-09 21:30 – Updated: 2024-07-09 21:30
VLAI
Details
InDesign Desktop versions ID19.3, ID18.5.2 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-2024-20783"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-09T20:15:09Z",
"severity": "HIGH"
},
"details": "InDesign Desktop versions ID19.3, ID18.5.2 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-mgpw-5w39-9553",
"modified": "2024-07-09T21:30:37Z",
"published": "2024-07-09T21:30:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20783"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/indesign/apsb24-48.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-MGV2-4J37-M3X6
Vulnerability from github – Published: 2026-06-19 18:32 – Updated: 2026-10-06 03:31
VLAI
Details
A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when g_lag_in_frames is set to 1 or higher. This results in a 232-byte out-of-bounds write on every encoded frame after the second, corrupting adjacent heap objects. An attacker who can influence encoder configuration in a transcoding service or WebRTC session could exploit this to cause a denial of service (process crash) or potentially achieve code execution.
Severity
7.6 (High)
{
"affected": [],
"aliases": [
"CVE-2026-56208"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-19T17:16:30Z",
"severity": "HIGH"
},
"details": "A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder\u0027s Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when g_lag_in_frames is set to 1 or higher. This results in a 232-byte out-of-bounds write on every encoded frame after the second, corrupting adjacent heap objects. An attacker who can influence encoder configuration in a transcoding service or WebRTC session could exploit this to cause a denial of service (process crash) or potentially achieve code execution.",
"id": "GHSA-mgv2-4j37-m3x6",
"modified": "2026-10-06T03:31:12Z",
"published": "2026-06-19T18:32:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56208"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71401"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71399"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71398"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71397"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71396"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71395"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71394"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71393"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:71392"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69935"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69934"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69933"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69932"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69931"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69930"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:30814"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:74771"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75652"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75654"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75657"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75658"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75659"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:75660"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:76041"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:76042"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:76043"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-56208"
},
{
"type": "WEB",
"url": "https://aomedia.googlesource.com/aom/+/243f8ae84b"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490799"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/504317456"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56208.json"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:42875"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:47104"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:47105"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:51100"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:51146"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54180"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54181"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54182"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54185"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54248"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54249"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54259"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54339"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:60520"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:61627"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:61628"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:61629"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68634"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68637"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68638"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68639"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68640"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68696"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68697"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68698"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68699"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68708"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68709"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:68710"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69927"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:69929"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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.