CWE-119
DiscouragedImproper Restriction of Operations within the Bounds of a Memory Buffer
Abstraction: Class · Status: Stable
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
17521 vulnerabilities reference this CWE, most recent first.
GHSA-5WGC-PHX4-VW9J
Vulnerability from github – Published: 2022-05-24 16:48 – Updated: 2024-04-04 00:57A buffer overflow can occur while processing an extscan hotlist event in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCA9379, QCS605, SD 625, SD 636, SD 820, SD 820A, SD 835, SD 855, SDA660, SDM630, SDM660, SDX20
{
"affected": [],
"aliases": [
"CVE-2018-3583"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-06-14T17:29:00Z",
"severity": "HIGH"
},
"details": "A buffer overflow can occur while processing an extscan hotlist event in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCA9379, QCS605, SD 625, SD 636, SD 820, SD 820A, SD 835, SD 855, SDA660, SDM630, SDM660, SDX20",
"id": "GHSA-5wgc-phx4-vw9j",
"modified": "2024-04-04T00:57:56Z",
"published": "2022-05-24T16:48:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3583"
},
{
"type": "WEB",
"url": "https://www.codeaurora.org/security-bulletin/2019/05/06/may-2019-code-aurora-security-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5WGW-7MQX-H773
Vulnerability from github – Published: 2022-05-14 02:45 – Updated: 2025-04-11 03:35Stack-based buffer overflow in the doLoad function in snmpviewer.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via the act and app parameters.
{
"affected": [],
"aliases": [
"CVE-2010-1552"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2010-05-13T17:30:00Z",
"severity": "HIGH"
},
"details": "Stack-based buffer overflow in the doLoad function in snmpviewer.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via the act and app parameters.",
"id": "GHSA-5wgw-7mqx-h773",
"modified": "2025-04-11T03:35:12Z",
"published": "2022-05-14T02:45:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2010-1552"
},
{
"type": "WEB",
"url": "http://marc.info/?l=bugtraq\u0026m=127360750704351\u0026w=2"
},
{
"type": "WEB",
"url": "http://securityreason.com/securityalert/8157"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/archive/1/511248/100/0/threaded"
},
{
"type": "WEB",
"url": "http://zerodayinitiative.com/advisories/ZDI-10-083"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-5WH5-58M7-CQC8
Vulnerability from github – Published: 2022-05-02 03:58 – Updated: 2022-05-02 03:58Heap-based buffer overflow in the SonicMediaPlayer ActiveX control in SonicMediaPlayer.dll in Roxio CinePlayer 3.2 allows remote attackers to execute arbitrary code via a long argument to the DiskType method. NOTE: this might overlap CVE-2007-1559.
{
"affected": [],
"aliases": [
"CVE-2009-4841"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2010-05-06T12:47:00Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in the SonicMediaPlayer ActiveX control in SonicMediaPlayer.dll in Roxio CinePlayer 3.2 allows remote attackers to execute arbitrary code via a long argument to the DiskType method. NOTE: this might overlap CVE-2007-1559.",
"id": "GHSA-5wh5-58m7-cqc8",
"modified": "2022-05-02T03:58:43Z",
"published": "2022-05-02T03:58:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4841"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/8824"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-5WHG-J5FV-XCM2
Vulnerability from github – Published: 2022-05-14 02:22 – Updated: 2025-10-22 17:20The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.ChakraCore"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2016-7200"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": true,
"github_reviewed_at": "2023-07-28T20:27:48Z",
"nvd_published_at": "2016-11-10T06:59:00Z",
"severity": "HIGH"
},
"details": "The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.",
"id": "GHSA-5whg-j5fv-xcm2",
"modified": "2025-10-22T17:20:27Z",
"published": "2022-05-14T02:22:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-7200"
},
{
"type": "WEB",
"url": "https://github.com/chakra-core/ChakraCore/pull/1982"
},
{
"type": "WEB",
"url": "https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631"
},
{
"type": "WEB",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129"
},
{
"type": "PACKAGE",
"url": "https://github.com/chakra-core/ChakraCore"
},
{
"type": "WEB",
"url": "https://github.com/theori-io/chakra-2016-11"
},
{
"type": "WEB",
"url": "https://web.archive.org/web/20210123184454/http://www.securityfocus.com/bid/93968"
},
{
"type": "WEB",
"url": "https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7200"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40785"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40990"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/93968"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1037245"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "ChakraCore RCE Vulnerability"
}
GHSA-5WHH-4Q9J-7V28
Vulnerability from github – Published: 2026-03-03 20:07 – Updated: 2026-03-03 20:07Summary
aws-kms-tls-auth is an optional utility for s2n-tls that enables customers to use AWS KMS keys as part of the PSK extension field in a TLS 1.3 handshake. An issue exists in this library that can lead to overallocation of memory potentially resulting in a denial of service.
Impact
The PSK extension field in TLS 1.3 uses length-prefixed lists to encode variable-length data. aws-kms-tls-auth interprets the length prefix incorrectly resulting in additional memory allocation.
s2n-tls limits ClientHello messages to 64 KB. Due to this issue, the server may allocate up to 10× the received size, meaning a single message could trigger an allocation of up to 640 KB. Repeated allocations of this size could exhaust server resources and lead to a denial-of-service.
No AWS services are affected. Applications should continue to follow best practices by limiting the number of in-flight handshakes and concurrent connections. Applications using the aws-kms-tls-auth crate should upgrade to version 0.0.3.
Impacted versions: < 0.0.3
Patches
This issue has been addressed in aws-kms-tls-auth v0.0.3 [1].
Workarounds
There is no workaround. Applications using aws-kms-tls-auth should upgrade to the most recent release.
Acknowledgement
s2n-tls would like to thank Joshua Rogers (https://joshua.hu/) of AISLE Research Team (https://aisle.com/) for collaborating on this issue through the coordinated disclosure process.
If there are any questions or comments about this advisory, contact AWS/Amazon Security via the vulnerability reporting page [2] or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
[1] https://crates.io/crates/aws-kms-tls-auth/0.0.3 [2] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting
{
"affected": [
{
"package": {
"ecosystem": "crates.io",
"name": "aws-kms-tls-auth"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.0.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-03T20:07:00Z",
"nvd_published_at": null,
"severity": "LOW"
},
"details": "### Summary\naws-kms-tls-auth is an optional utility for s2n-tls that enables customers to use AWS KMS keys as part of the PSK extension field in a TLS 1.3 handshake. An issue exists in this library that can lead to overallocation of memory potentially resulting in a denial of service.\n\n### Impact\nThe PSK extension field in TLS 1.3 uses length-prefixed lists to encode variable-length data. aws-kms-tls-auth interprets the length prefix incorrectly resulting in additional memory allocation.\u00a0\n\ns2n-tls limits ClientHello messages to 64 KB. Due to this issue, the server may allocate up to 10\u00d7 the received size, meaning a single message could trigger an allocation of up to 640 KB. Repeated allocations of this size could exhaust server resources and lead to a denial-of-service.\n\nNo AWS services are affected. Applications should continue to follow best practices by limiting the number of in-flight handshakes and concurrent connections. Applications using the aws-kms-tls-auth crate should upgrade to version 0.0.3.\n\n**Impacted versions:** \u003c 0.0.3\n\n### Patches\nThis issue has been addressed in aws-kms-tls-auth v0.0.3 [1].\n\n### Workarounds\nThere is no workaround. Applications using aws-kms-tls-auth should upgrade to the most recent release.\n\n### Acknowledgement \ns2n-tls would like to thank Joshua Rogers (https://joshua.hu/) of AISLE Research Team (https://aisle.com/) for collaborating on this issue through the coordinated disclosure process.\n\nIf there are any questions or comments about this advisory, contact AWS/Amazon Security via the vulnerability reporting page [2] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n[1] https://crates.io/crates/aws-kms-tls-auth/0.0.3\n[2] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting",
"id": "GHSA-5whh-4q9j-7v28",
"modified": "2026-03-03T20:07:00Z",
"published": "2026-03-03T20:07:00Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aws/s2n-tls/security/advisories/GHSA-5whh-4q9j-7v28"
},
{
"type": "PACKAGE",
"url": "https://github.com/aws/s2n-tls"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "aws-kms-tls-auth vulnerable to memory overallocation"
}
GHSA-5WHQ-5J94-GXVC
Vulnerability from github – Published: 2022-05-14 02:44 – Updated: 2022-05-14 02:44Multiple stack-based buffer overflows in the jclient._Java_novell_jclient_JClient_defineClass@20 function in jclient.dll in the Tomcat web server in Novell iManager 2.7, 2.7.3, and 2.7.3 FTF2 allow remote authenticated users to execute arbitrary code via the (1) EnteredClassID or (2) NewClassName parameter to nps/servlet/webacc.
{
"affected": [],
"aliases": [
"CVE-2010-1929"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2010-06-28T17:30:00Z",
"severity": "HIGH"
},
"details": "Multiple stack-based buffer overflows in the jclient._Java_novell_jclient_JClient_defineClass@20 function in jclient.dll in the Tomcat web server in Novell iManager 2.7, 2.7.3, and 2.7.3 FTF2 allow remote authenticated users to execute arbitrary code via the (1) EnteredClassID or (2) NewClassName parameter to nps/servlet/webacc.",
"id": "GHSA-5whq-5j94-gxvc",
"modified": "2022-05-14T02:44:58Z",
"published": "2022-05-14T02:44:58Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2010-1929"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/59694"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/40281"
},
{
"type": "WEB",
"url": "http://securitytracker.com/id?1024152"
},
{
"type": "WEB",
"url": "http://www.coresecurity.com/content/novell-imanager-buffer-overflow-off-by-one-vulnerabilities"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/14010"
},
{
"type": "WEB",
"url": "http://www.osvdb.org/65737"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/archive/1/511983/100/0/threaded"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/40480"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2010/1575"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-5WJ5-VJ38-87FF
Vulnerability from github – Published: 2022-05-17 00:54 – Updated: 2022-05-17 00:54Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2013-2718, CVE-2013-2719, CVE-2013-2720, CVE-2013-2721, CVE-2013-2722, CVE-2013-2723, CVE-2013-2725, CVE-2013-2726, CVE-2013-2731, CVE-2013-2732, CVE-2013-2734, CVE-2013-2735, CVE-2013-2736, CVE-2013-3337, CVE-2013-3338, CVE-2013-3339, and CVE-2013-3341.
{
"affected": [],
"aliases": [
"CVE-2013-3340"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2013-05-16T11:45:00Z",
"severity": "HIGH"
},
"details": "Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2013-2718, CVE-2013-2719, CVE-2013-2720, CVE-2013-2721, CVE-2013-2722, CVE-2013-2723, CVE-2013-2725, CVE-2013-2726, CVE-2013-2731, CVE-2013-2732, CVE-2013-2734, CVE-2013-2735, CVE-2013-2736, CVE-2013-3337, CVE-2013-3338, CVE-2013-3339, and CVE-2013-3341.",
"id": "GHSA-5wj5-vj38-87ff",
"modified": "2022-05-17T00:54:11Z",
"published": "2022-05-17T00:54:11Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-3340"
},
{
"type": "WEB",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16774"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00004.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2013-0826.html"
},
{
"type": "WEB",
"url": "http://security.gentoo.org/glsa/glsa-201308-03.xml"
},
{
"type": "WEB",
"url": "http://www.adobe.com/support/security/bulletins/apsb13-15.html"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-5WJC-C32V-25GW
Vulnerability from github – Published: 2022-05-14 03:21 – Updated: 2022-05-14 03:21There is a buffer overflow in the Hikvision Camera DS-2CD9111-S of V4.1.2 build 160203 and before, and this vulnerability allows remote attackers to launch a denial of service attack (service interruption) via a crafted network setting interface request.
{
"affected": [],
"aliases": [
"CVE-2018-6413"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-04-18T15:29:00Z",
"severity": "HIGH"
},
"details": "There is a buffer overflow in the Hikvision Camera DS-2CD9111-S of V4.1.2 build 160203 and before, and this vulnerability allows remote attackers to launch a denial of service attack (service interruption) via a crafted network setting interface request.",
"id": "GHSA-5wjc-c32v-25gw",
"modified": "2022-05-14T03:21:41Z",
"published": "2022-05-14T03:21:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-6413"
},
{
"type": "WEB",
"url": "http://www1.hikvision.com/cn/support_det_591_i514.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5WJR-7H39-QR5R
Vulnerability from github – Published: 2022-05-01 18:32 – Updated: 2025-04-09 03:48Integer overflow in the DCTStream::reset method in xpdf/Stream.cc in Xpdf 3.02p11 allows remote attackers to execute arbitrary code via a crafted PDF file, resulting in a heap-based buffer overflow.
{
"affected": [],
"aliases": [
"CVE-2007-5392"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2007-11-08T02:46:00Z",
"severity": "HIGH"
},
"details": "Integer overflow in the DCTStream::reset method in xpdf/Stream.cc in Xpdf 3.02p11 allows remote attackers to execute arbitrary code via a crafted PDF file, resulting in a heap-based buffer overflow.",
"id": "GHSA-5wjr-7h39-qr5r",
"modified": "2025-04-09T03:48:12Z",
"published": "2022-05-01T18:32:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2007-5392"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/38303"
},
{
"type": "WEB",
"url": "https://issues.rpath.com/browse/RPL-1926"
},
{
"type": "WEB",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10036"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00369.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00215.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00224.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00238.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00663.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00724.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/26503"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/27260"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/27553"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/27573"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/27574"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/27575"
},
{
"type": "WEB",
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"url": "http://secunia.com/secunia_research/2007-88/advisory"
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GHSA-5WMJ-6QQF-8W27
Vulnerability from github – Published: 2022-05-17 00:27 – Updated: 2022-05-17 00:27In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow in the _osip_message_to_str() function defined in osipparser2/osip_message_to_str.c, resulting in a remote DoS.
{
"affected": [],
"aliases": [
"CVE-2016-10325"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-04-13T16:59:00Z",
"severity": "HIGH"
},
"details": "In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow in the _osip_message_to_str() function defined in osipparser2/osip_message_to_str.c, resulting in a remote DoS.",
"id": "GHSA-5wmj-6qqf-8w27",
"modified": "2022-05-17T00:27:43Z",
"published": "2022-05-17T00:27:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-10325"
},
{
"type": "WEB",
"url": "https://savannah.gnu.org/support/index.php?109131"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2017/dsa-3879"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/92921"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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.
CAPEC-10: Buffer Overflow via Environment Variables
This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the adversary finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
CAPEC-100: Overflow Buffers
Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an adversary. As a consequence, an adversary is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the adversaries' choice.
CAPEC-123: Buffer Manipulation
An adversary manipulates an application's interaction with a buffer in an attempt to read or modify data they shouldn't have access to. Buffer attacks are distinguished in that it is the buffer space itself that is the target of the attack rather than any code responsible for interpreting the content of the buffer. In virtually all buffer attacks the content that is placed in the buffer is immaterial. Instead, most buffer attacks involve retrieving or providing more input than can be stored in the allocated buffer, resulting in the reading or overwriting of other unintended program memory.
CAPEC-14: Client-side Injection-induced Buffer Overflow
This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service. This hostile service is created to deliver the correct content to the client software. For example, if the client-side application is a browser, the service will host a webpage that the browser loads.
CAPEC-24: Filter Failure through Buffer Overflow
In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
CAPEC-42: MIME Conversion
An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
CAPEC-44: Overflow Binary Resource File
An attack of this type exploits a buffer overflow vulnerability in the handling of binary resources. Binary resources may include music files like MP3, image files like JPEG files, and any other binary file. These attacks may pass unnoticed to the client machine through normal usage of files, such as a browser loading a seemingly innocent JPEG file. This can allow the adversary access to the execution stack and execute arbitrary code in the target process.
CAPEC-45: Buffer Overflow via Symbolic Links
This type of attack leverages the use of symbolic links to cause buffer overflows. An adversary can try to create or manipulate a symbolic link file such that its contents result in out of bounds data. When the target software processes the symbolic link file, it could potentially overflow internal buffers with insufficient bounds checking.
CAPEC-46: Overflow Variables and Tags
This type of attack leverages the use of tags or variables from a formatted configuration data to cause buffer overflow. The adversary crafts a malicious HTML page or configuration file that includes oversized strings, thus causing an overflow.
CAPEC-47: Buffer Overflow via Parameter Expansion
In this attack, the target software is given input that the adversary knows will be modified and expanded in size during processing. This attack relies on the target software failing to anticipate that the expanded data may exceed some internal limit, thereby creating a buffer overflow.
CAPEC-8: Buffer Overflow in an API Call
This attack targets libraries or shared code modules which are vulnerable to buffer overflow attacks. An adversary who has knowledge of known vulnerable libraries or shared code can easily target software that makes use of these libraries. All clients that make use of the code library thus become vulnerable by association. This has a very broad effect on security across a system, usually affecting more than one software process.
CAPEC-9: Buffer Overflow in Local Command-Line Utilities
This attack targets command-line utilities available in a number of shells. An adversary can leverage a vulnerability found in a command-line utility to escalate privilege to root.