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().
4096 vulnerabilities reference this CWE, most recent first.
GHSA-G4W7-VCV3-F74V
Vulnerability from github – Published: 2024-11-22 21:32 – Updated: 2024-11-22 21:32Tungsten Automation Power PDF PSD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tungsten Automation Power PDF. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of PSD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24458.
{
"affected": [],
"aliases": [
"CVE-2024-9742"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-22T21:15:27Z",
"severity": "HIGH"
},
"details": "Tungsten Automation Power PDF PSD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tungsten Automation Power PDF. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of PSD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24458.",
"id": "GHSA-g4w7-vcv3-f74v",
"modified": "2024-11-22T21:32:20Z",
"published": "2024-11-22T21:32:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9742"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-24-1342"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-G4XH-R45M-435W
Vulnerability from github – Published: 2026-02-11 15:30 – Updated: 2026-02-12 15:32A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
{
"affected": [],
"aliases": [
"CVE-2025-57709"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-11T13:15:55Z",
"severity": "LOW"
},
"details": "A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 5.0.0.4 ( 2026/01/20 ) and later",
"id": "GHSA-g4xh-r45m-435w",
"modified": "2026-02-12T15:32:43Z",
"published": "2026-02-11T15:30:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-57709"
},
{
"type": "WEB",
"url": "https://www.qnap.com/en/security-advisory/qsa-26-02"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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-G56M-WMX8-G7CR
Vulnerability from github – Published: 2026-06-09 21:32 – Updated: 2026-06-09 21:32Acrobat Reader versions 24.001.30365, 26.001.21651 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.
{
"affected": [],
"aliases": [
"CVE-2026-47952"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-09T21:17:23Z",
"severity": "HIGH"
},
"details": "Acrobat Reader versions 24.001.30365, 26.001.21651 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-g56m-wmx8-g7cr",
"modified": "2026-06-09T21:32:39Z",
"published": "2026-06-09T21:32:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47952"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/acrobat/apsb26-63.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-G57F-G3M7-5229
Vulnerability from github – Published: 2025-07-07 03:30 – Updated: 2025-07-07 03:30Null pointer dereference vulnerability in the PDF preview module Impact: Successful exploitation of this vulnerability may affect function stability.
{
"affected": [],
"aliases": [
"CVE-2025-53184"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-07T03:15:29Z",
"severity": "MODERATE"
},
"details": "Null pointer dereference vulnerability in the PDF preview module\nImpact: Successful exploitation of this vulnerability may affect function stability.",
"id": "GHSA-g57f-g3m7-5229",
"modified": "2025-07-07T03:30:23Z",
"published": "2025-07-07T03:30:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53184"
},
{
"type": "WEB",
"url": "https://consumer.huawei.com/en/support/bulletin/2025/7"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-G5XC-JV8H-2232
Vulnerability from github – Published: 2024-01-09 18:30 – Updated: 2025-11-04 00:30Windows Libarchive Remote Code Execution Vulnerability
{
"affected": [],
"aliases": [
"CVE-2024-20696"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-09T18:15:52Z",
"severity": "HIGH"
},
"details": "Windows Libarchive Remote Code Execution Vulnerability",
"id": "GHSA-g5xc-jv8h-2232",
"modified": "2025-11-04T00:30:42Z",
"published": "2024-01-09T18:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20696"
},
{
"type": "WEB",
"url": "https://clearbluejar.github.io/posts/patch-tuesday-diffing-cve-2024-20696-windows-libarchive-rce"
},
{
"type": "WEB",
"url": "https://github.com/clearbluejar/CVE-2024-20696"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20696"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-G6X8-JXPJ-JMGJ
Vulnerability from github – Published: 2022-11-16 12:00 – Updated: 2022-11-22 15:30A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to cause the device to restart, resulting in a DoS condition. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM"] This advisory is part of the November 2022 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication.
{
"affected": [],
"aliases": [
"CVE-2022-20946"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-11-15T21:15:00Z",
"severity": "HIGH"
},
"details": "A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to cause the device to restart, resulting in a DoS condition. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM [\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM\"] This advisory is part of the November 2022 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication.",
"id": "GHSA-g6x8-jxpj-jmgj",
"modified": "2022-11-22T15:30:26Z",
"published": "2022-11-16T12:00:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-20946"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM"
},
{
"type": "WEB",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-G79X-GV43-8472
Vulnerability from github – Published: 2024-12-17 18:33 – Updated: 2025-05-08 15:30A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can be used to cause a Heap-based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
{
"affected": [],
"aliases": [
"CVE-2024-12179"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-12-17T16:15:23Z",
"severity": "HIGH"
},
"details": "A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can be used to cause a Heap-based Overflow vulnerability. A malicious actor can leverage\u00a0this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.",
"id": "GHSA-g79x-gv43-8472",
"modified": "2025-05-08T15:30:39Z",
"published": "2024-12-17T18:33:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-12179"
},
{
"type": "WEB",
"url": "https://autodesk.com/trust/security-advisories/adsk-sa-2024-0027"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0027"
}
],
"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-G7P5-5759-QV46
Vulnerability from github – Published: 2020-09-25 18:28 – Updated: 2024-10-30 21:11Impact
The data_splits argument of tf.raw_ops.StringNGrams lacks validation. This allows a user to pass values that can cause heap overflow errors and even leak contents of memory
>>> tf.raw_ops.StringNGrams(data=["aa", "bb", "cc", "dd", "ee", "ff"], data_splits=[0,8], separator=" ", ngram_widths=[3], left_pad="", right_pad="", pad_width=0, preserve_short_sequences=False)
StringNGrams(ngrams=<tf.Tensor: shape=(6,), dtype=string, numpy=
array([b'aa bb cc', b'bb cc dd', b'cc dd ee', b'dd ee ff',
b'ee ff \xf4j\xa7q\x7f\x00\x00q\x00\x00\x00\x00\x00\x00\x00\xd8\x9b~\xa8q\x7f\x00',
b'ff \xf4j\xa7q\x7f\x00\x00q\x00\x00\x00\x00\x00\x00\x00\xd8\x9b~\xa8q\x7f\x00 \x9b~\xa8q\x7f\x00\x00p\xf5j\xa7q\x7f\x00\x00H\xf8j\xa7q\x7f\x00\x00\xf0\xf3\xf7\x85q\x7f\x00\x00`}\xa6\x00\x00\x00\x00\x00`~\xa6\x00\x00\x00\x00\x00\xb0~\xeb\x9bq\x7f\x00'],...
All the binary strings after ee ff are contents from the memory stack. Since these can contain return addresses, this data leak can be used to defeat ASLR.
Patches
We have patched the issue in 0462de5b544ed4731aa2fb23946ac22c01856b80 and will release patch releases for all versions between 1.15 and 2.3.
We recommend users to upgrade to TensorFlow 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.
For more information
Please consult our security guide for more information regarding the security model and how to contact us with issues and questions.
Attribution
This vulnerability has been reported by members of the Aivul Team from Qihoo 360.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "tensorflow"
},
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{
"package": {
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"ranges": [
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"events": [
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"introduced": "2.2.0"
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},
{
"package": {
"ecosystem": "PyPI",
"name": "tensorflow-gpu"
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"ranges": [
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{
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"versions": [
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}
],
"aliases": [
"CVE-2020-15205"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-122",
"CWE-787"
],
"github_reviewed": true,
"github_reviewed_at": "2020-09-25T17:37:04Z",
"nvd_published_at": "2020-09-25T19:15:00Z",
"severity": "MODERATE"
},
"details": "### Impact\nThe `data_splits` argument of [`tf.raw_ops.StringNGrams`](https://www.tensorflow.org/api_docs/python/tf/raw_ops/StringNGrams) lacks validation. This allows a user to pass values that can cause heap overflow errors and even leak contents of memory\n```python\n\u003e\u003e\u003e tf.raw_ops.StringNGrams(data=[\"aa\", \"bb\", \"cc\", \"dd\", \"ee\", \"ff\"], data_splits=[0,8], separator=\" \", ngram_widths=[3], left_pad=\"\", right_pad=\"\", pad_width=0, preserve_short_sequences=False)\nStringNGrams(ngrams=\u003ctf.Tensor: shape=(6,), dtype=string, numpy=\narray([b\u0027aa bb cc\u0027, b\u0027bb cc dd\u0027, b\u0027cc dd ee\u0027, b\u0027dd ee ff\u0027,\n b\u0027ee ff \\xf4j\\xa7q\\x7f\\x00\\x00q\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xd8\\x9b~\\xa8q\\x7f\\x00\u0027,\n b\u0027ff \\xf4j\\xa7q\\x7f\\x00\\x00q\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xd8\\x9b~\\xa8q\\x7f\\x00 \\x9b~\\xa8q\\x7f\\x00\\x00p\\xf5j\\xa7q\\x7f\\x00\\x00H\\xf8j\\xa7q\\x7f\\x00\\x00\\xf0\\xf3\\xf7\\x85q\\x7f\\x00\\x00`}\\xa6\\x00\\x00\\x00\\x00\\x00`~\\xa6\\x00\\x00\\x00\\x00\\x00\\xb0~\\xeb\\x9bq\\x7f\\x00\u0027],...\n```\n\nAll the binary strings after `ee ff` are contents from the memory stack. Since these can contain return addresses, this data leak can be used to defeat ASLR.\n\n### Patches\nWe have patched the issue in 0462de5b544ed4731aa2fb23946ac22c01856b80 and will release patch releases for all versions between 1.15 and 2.3.\n\nWe recommend users to upgrade to TensorFlow 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.\n\n### For more information\nPlease consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions.\n\n### Attribution\nThis vulnerability has been reported by members of the Aivul Team from Qihoo 360.",
"id": "GHSA-g7p5-5759-qv46",
"modified": "2024-10-30T21:11:46Z",
"published": "2020-09-25T18:28:38Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/tensorflow/tensorflow/security/advisories/GHSA-g7p5-5759-qv46"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15205"
},
{
"type": "WEB",
"url": "https://github.com/tensorflow/tensorflow/commit/0462de5b544ed4731aa2fb23946ac22c01856b80"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2020-285.yaml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2020-320.yaml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2020-128.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/tensorflow/tensorflow"
},
{
"type": "WEB",
"url": "https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html"
}
],
"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"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
"type": "CVSS_V4"
}
],
"summary": "Data leak in Tensorflow"
}
GHSA-G7Q7-7HC8-VC6W
Vulnerability from github – Published: 2026-05-19 09:31 – Updated: 2026-05-19 09:31Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers.
This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.
{
"affected": [],
"aliases": [
"CVE-2026-47311"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-19T07:16:30Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers.\n\nThis issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.",
"id": "GHSA-g7q7-7hc8-vc6w",
"modified": "2026-05-19T09:31:19Z",
"published": "2026-05-19T09:31:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47311"
},
{
"type": "WEB",
"url": "https://github.com/Samsung/escargot/pull/1565"
}
],
"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-G7XW-3X5X-249W
Vulnerability from github – Published: 2024-11-12 21:30 – Updated: 2024-11-12 21:30InDesign Desktop versions ID18.5.3, ID19.5 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.
{
"affected": [],
"aliases": [
"CVE-2024-49508"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-12T21:15:12Z",
"severity": "HIGH"
},
"details": "InDesign Desktop versions ID18.5.3, ID19.5 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-g7xw-3x5x-249w",
"modified": "2024-11-12T21:30:55Z",
"published": "2024-11-12T21:30:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49508"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/indesign/apsb24-88.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"
}
]
}
Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
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
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
Implement and perform bounds checking on input.
Mitigation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
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.