CWE-787
Weakness Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
Dimensions
- Behavior-Type: Write
- Resource-Type: Memory Buffer
- Resource-Property: Out-of-bounds
Mapping guidance
This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities. However, closer examination is required.
While this CWE is allowed for mapping, it has more specific children that might be a better fit. Carefully read both the name and description to ensure that this mapping is appropriate. Consider the root cause errors that have led to the out-of-bounds write by examining "CanFollow" relationships for this entry.
Relationships and members
Modes of introduction
Detection methods
Automated Static Analysis
This weakness can often be detected using automated static analysis tools. Many modern tools use data flow analysis or constraint-based techniques to minimize the number of false positives.
Automated static analysis generally does not account for environmental considerations when reporting out-of-bounds memory operations. This can make it difficult for users to determine which warnings should be investigated first. For example, an analysis tool might report buffer overflows that originate from command line arguments in a program that is not expected to run with setuid or other special privileges.
Effectiveness: High
Detection techniques for buffer-related errors are more mature than for most other weakness types.
Automated Dynamic Analysis
This weakness can be detected using dynamic tools and techniques that interact with the software using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The software's operation may slow down, but it should not become unstable, crash, or generate incorrect results.
Automated Dynamic Analysis
Use tools that are integrated during compilation to insert runtime error-checking mechanisms related to memory safety errors, such as AddressSanitizer (ASan) for C/C++ [REF-1518].
Effectiveness: Moderate
Crafted inputs are necessary to reach the code containing the error, such as generated by fuzzers. Also, these tools may reduce performance, and they only report the error condition - not the original mistake that led to the error.
Content history
Suggested mappings to ISA/IEC 62443.
Provided diagram to improve CWE usability
updated Demonstrative_Examples
updated Relationships
updated Common_Consequences
updated Demonstrative_Examples
updated Relationships
updated Description
updated Applicable_Platforms, Demonstrative_Examples, Detection_Factors, Likelihood_of_Exploit, Observed_Examples, Potential_Mitigations, References, Relationships, Time_of_Introduction
updated Observed_Examples, Relationships
updated Observed_Examples
updated Alternate_Terms, Demonstrative_Examples, Observed_Examples, Relationships
updated Relationships
updated Demonstrative_Examples
updated Demonstrative_Examples, Potential_Mitigations, Relationships
updated Observed_Examples, Relationships
updated Applicable_Platforms
updated Alternate_Terms, Demonstrative_Examples, Description
updated Potential_Mitigations, References, Relationships, Taxonomy_Mappings
updated Mapping_Notes, Relationships, Taxonomy_Mappings
updated Demonstrative_Examples
updated Alternate_Terms, Common_Consequences, Description, Diagram, Weakness_Ordinalities
updated Observed_Examples, Relationships
updated Observed_Examples, Relationships
updated Affected_Resources, Functional_Areas, References
updated Applicable_Platforms, Detection_Factors, References, Relationships
updated Mapping_Notes
updated Dimensions, Observed_Examples, References, Relationships, Taxonomy_Mappings
17047 vulnerabilities reference this CWE, most recent first.
GHSA-RV55-R5F2-XC54
Vulnerability from github – Published: 2022-10-04 00:00 – Updated: 2022-10-04 00:00Bento4 v1.6.0-639 was discovered to contain a heap overflow via the AP4_Atom::TypeFromString function in mp4tag.
{
"affected": [],
"aliases": [
"CVE-2022-41429"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-10-03T14:15:00Z",
"severity": "HIGH"
},
"details": "Bento4 v1.6.0-639 was discovered to contain a heap overflow via the AP4_Atom::TypeFromString function in mp4tag.",
"id": "GHSA-rv55-r5f2-xc54",
"modified": "2022-10-04T00:00:19Z",
"published": "2022-10-04T00:00:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41429"
},
{
"type": "WEB",
"url": "https://github.com/axiomatic-systems/Bento4/issues/773"
}
],
"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-RV58-FRXQ-X4F4
Vulnerability from github – Published: 2022-05-24 17:17 – Updated: 2022-05-24 17:17Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
{
"affected": [],
"aliases": [
"CVE-2020-10638"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-05-08T12:15:00Z",
"severity": "HIGH"
},
"details": "Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.",
"id": "GHSA-rv58-frxq-x4f4",
"modified": "2022-05-24T17:17:28Z",
"published": "2022-05-24T17:17:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10638"
},
{
"type": "WEB",
"url": "https://www.us-cert.gov/ics/advisories/icsa-20-128-01"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-593"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-599"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-600"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-603"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-616"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-621"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-RV7F-8VHF-G8Q8
Vulnerability from github – Published: 2022-05-24 19:06 – Updated: 2022-05-24 19:06Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
{
"affected": [],
"aliases": [
"CVE-2021-33002"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-06-24T18:15:00Z",
"severity": "HIGH"
},
"details": "Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).",
"id": "GHSA-rv7f-8vhf-g8q8",
"modified": "2022-05-24T19:06:15Z",
"published": "2022-05-24T19:06:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33002"
},
{
"type": "WEB",
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-173-01"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-RV88-JVRJ-F7V8
Vulnerability from github – Published: 2022-05-13 01:40 – Updated: 2022-05-13 01:40An elevation of privilege vulnerability in Audioserver could enable a local malicious application to execute arbitrary code within the context of a privileged process. This issue is rated as High because it could be used to gain local access to elevated capabilities, which are not normally accessible to a third-party application. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1. Android ID: A-32705438.
{
"affected": [],
"aliases": [
"CVE-2017-0417"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-02-08T15:59:00Z",
"severity": "HIGH"
},
"details": "An elevation of privilege vulnerability in Audioserver could enable a local malicious application to execute arbitrary code within the context of a privileged process. This issue is rated as High because it could be used to gain local access to elevated capabilities, which are not normally accessible to a third-party application. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1. Android ID: A-32705438.",
"id": "GHSA-rv88-jvrj-f7v8",
"modified": "2022-05-13T01:40:01Z",
"published": "2022-05-13T01:40:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-0417"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2017-02-01.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/96055"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1037798"
}
],
"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-RV8G-6VR7-CV64
Vulnerability from github – Published: 2025-09-16 15:32 – Updated: 2026-10-30 15:32In the Linux kernel, the following vulnerability has been resolved:
bnxt_en: Fix memory corruption when FW resources change during ifdown
bnxt_set_dflt_rings() assumes that it is always called before any TC has been created. So it doesn't take bp->num_tc into account and assumes that it is always 0 or 1.
In the FW resource or capability change scenario, the FW will return flags in bnxt_hwrm_if_change() that will cause the driver to reinitialize and call bnxt_cancel_reservations(). This will lead to bnxt_init_dflt_ring_mode() calling bnxt_set_dflt_rings() and bp->num_tc may be greater than 1. This will cause bp->tx_ring[] to be sized too small and cause memory corruption in bnxt_alloc_cp_rings().
Fix it by properly scaling the TX rings by bp->num_tc in the code paths mentioned above. Add 2 helper functions to determine bp->tx_nr_rings and bp->tx_nr_rings_per_tc.
{
"affected": [],
"aliases": [
"CVE-2025-39810"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-09-16T13:15:53Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix memory corruption when FW resources change during ifdown\n\nbnxt_set_dflt_rings() assumes that it is always called before any TC has\nbeen created. So it doesn\u0027t take bp-\u003enum_tc into account and assumes\nthat it is always 0 or 1.\n\nIn the FW resource or capability change scenario, the FW will return\nflags in bnxt_hwrm_if_change() that will cause the driver to\nreinitialize and call bnxt_cancel_reservations(). This will lead to\nbnxt_init_dflt_ring_mode() calling bnxt_set_dflt_rings() and bp-\u003enum_tc\nmay be greater than 1. This will cause bp-\u003etx_ring[] to be sized too\nsmall and cause memory corruption in bnxt_alloc_cp_rings().\n\nFix it by properly scaling the TX rings by bp-\u003enum_tc in the code\npaths mentioned above. Add 2 helper functions to determine\nbp-\u003etx_nr_rings and bp-\u003etx_nr_rings_per_tc.",
"id": "GHSA-rv8g-6vr7-cv64",
"modified": "2026-10-30T15:32:15Z",
"published": "2025-09-16T15:32:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39810"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2747328ba2714f1a7454208dbbc1dc0631990b4a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9ab6a9950f152e094395d2e3967f889857daa185"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c0082a8947cf1a543013346d10c1857f0c57db83"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d00e98977ef519280b075d783653e2c492fffbb6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/dc797a4bbbcac6d19e6e2508e4df685755cd94a5"
}
],
"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-RV8P-HQQG-W3W8
Vulnerability from github – Published: 2022-05-24 17:39 – Updated: 2022-05-24 17:39Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. The vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities.
{
"affected": [],
"aliases": [
"CVE-2021-1195"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-01-13T22:15:00Z",
"severity": "HIGH"
},
"details": "Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. The vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities.",
"id": "GHSA-rv8p-hqqg-w3w8",
"modified": "2022-05-24T17:39:08Z",
"published": "2022-05-24T17:39:08Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-1195"
},
{
"type": "WEB",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-WUnUgv4U"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-RV9R-56V5-6967
Vulnerability from github – Published: 2022-05-24 17:32 – Updated: 2023-01-09 18:30A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An application may be able to execute arbitrary code with kernel privileges.
{
"affected": [],
"aliases": [
"CVE-2020-9904"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-10-22T19:15:00Z",
"severity": "HIGH"
},
"details": "A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An application may be able to execute arbitrary code with kernel privileges.",
"id": "GHSA-rv9r-56v5-6967",
"modified": "2023-01-09T18:30:25Z",
"published": "2022-05-24T17:32:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9904"
},
{
"type": "WEB",
"url": "https://support.apple.com/kb/HT211288"
},
{
"type": "WEB",
"url": "https://support.apple.com/kb/HT211289"
},
{
"type": "WEB",
"url": "https://support.apple.com/kb/HT211290"
},
{
"type": "WEB",
"url": "https://support.apple.com/kb/HT211291"
}
],
"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-RV9V-R4VM-GJ8X
Vulnerability from github – Published: 2024-08-19 03:30 – Updated: 2024-09-09 18:20The Miniscript (aka rust-miniscript) library for Rust allows stack consumption because it does not properly track tree depth.
{
"affected": [
{
"package": {
"ecosystem": "crates.io",
"name": "miniscript"
},
"ranges": [
{
"events": [
{
"introduced": "12.0.0"
},
{
"fixed": "12.2.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "crates.io",
"name": "miniscript"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.2.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "crates.io",
"name": "miniscript"
},
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.2.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "crates.io",
"name": "miniscript"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "9.2.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-44073"
],
"database_specific": {
"cwe_ids": [
"CWE-674",
"CWE-770",
"CWE-787"
],
"github_reviewed": true,
"github_reviewed_at": "2024-08-19T18:25:09Z",
"nvd_published_at": "2024-08-19T03:15:03Z",
"severity": "MODERATE"
},
"details": "The Miniscript (aka rust-miniscript) library for Rust allows stack consumption because it does not properly track tree depth.",
"id": "GHSA-rv9v-r4vm-gj8x",
"modified": "2024-09-09T18:20:53Z",
"published": "2024-08-19T03:30:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-44073"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/704"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/712"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/712/files"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/713/files"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/714/files"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/pull/715/files"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/commit/5b0f5e3417f027a22b066debf825dbe6644b575b"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/commit/8f54b5e3fb7129ed9fbed53f1cb9e6e62ea4c151"
},
{
"type": "WEB",
"url": "https://github.com/rust-bitcoin/rust-miniscript/compare/11.2.0...12.2.0"
}
],
"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"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U",
"type": "CVSS_V4"
}
],
"summary": "Miniscript allows stack consumption"
}
GHSA-RVCG-94W7-856C
Vulnerability from github – Published: 2022-08-29 00:00 – Updated: 2022-09-02 00:01Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailpwd parameter.
{
"affected": [],
"aliases": [
"CVE-2022-38565"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-08-28T17:15:00Z",
"severity": "HIGH"
},
"details": "Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailpwd parameter.",
"id": "GHSA-rvcg-94w7-856c",
"modified": "2022-09-02T00:01:10Z",
"published": "2022-08-29T00:00:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-38565"
},
{
"type": "WEB",
"url": "https://github.com/xxy1126/Vuln/tree/main/Tenda%20M3/formEmailTest-mailpwd"
}
],
"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-RVCQ-CWJ7-QF83
Vulnerability from github – Published: 2022-01-15 00:02 – Updated: 2022-01-26 00:03A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Guard 2.1.3.0 (2021/12/06) and later
{
"affected": [],
"aliases": [
"CVE-2021-38690"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-01-14T01:15:00Z",
"severity": "CRITICAL"
},
"details": "A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Guard 2.1.3.0 (2021/12/06) and later",
"id": "GHSA-rvcq-cwj7-qf83",
"modified": "2022-01-26T00:03:36Z",
"published": "2022-01-15T00:02:01Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38690"
},
{
"type": "WEB",
"url": "https://www.qnap.com/en/security-advisory/qsa-21-59"
}
],
"schema_version": "1.4.0",
"severity": []
}
Mitigation MIT-3
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
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-9
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
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 MIT-12
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-13
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
No CAPEC attack patterns related to this CWE.