Common Weakness Enumeration
CWE-787
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.
15601 vulnerabilities reference this CWE, most recent first.
GHSA-853G-Q2X9-H9RR
Vulnerability from github – Published: 2023-11-01 12:30 – Updated: 2023-11-09 00:33
VLAI
Details
In gnss service, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with System execution privileges needed
Severity
4.4 (Medium)
{
"affected": [],
"aliases": [
"CVE-2023-42750"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-11-01T10:15:10Z",
"severity": "MODERATE"
},
"details": "In gnss service, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with System execution privileges needed",
"id": "GHSA-853g-q2x9-h9rr",
"modified": "2023-11-09T00:33:55Z",
"published": "2023-11-01T12:30:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-42750"
},
{
"type": "WEB",
"url": "https://www.unisoc.com/en_us/secy/announcementDetail/https://www.unisoc.com/en_us/secy/announcementDetail/1719615756246777857"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-853V-4RCQ-PJPW
Vulnerability from github – Published: 2022-05-01 23:49 – Updated: 2022-05-01 23:49
VLAI
Details
Heap-based buffer overflow in pcre_compile.c in the Perl-Compatible Regular Expression (PCRE) library 7.7 allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a regular expression that begins with an option and contains multiple branches.
{
"affected": [],
"aliases": [
"CVE-2008-2371"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2008-07-07T23:41:00Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in pcre_compile.c in the Perl-Compatible Regular Expression (PCRE) library 7.7 allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a regular expression that begins with an option and contains multiple branches.",
"id": "GHSA-853v-4rcq-pjpw",
"modified": "2022-05-01T23:49:30Z",
"published": "2022-05-01T23:49:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2008-2371"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00105.html"
},
{
"type": "WEB",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00123.html"
},
{
"type": "WEB",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=228091"
},
{
"type": "WEB",
"url": "http://ftp.gnome.org/pub/GNOME/sources/glib/2.16/glib-2.16.4.changes"
},
{
"type": "WEB",
"url": "http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html"
},
{
"type": "WEB",
"url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00001.html"
},
{
"type": "WEB",
"url": "http://marc.info/?l=bugtraq\u0026m=124654546101607\u0026w=2"
},
{
"type": "WEB",
"url": "http://marc.info/?l=bugtraq\u0026m=125631037611762\u0026w=2"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30916"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30944"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30945"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30958"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30961"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30967"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30972"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/30990"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/31200"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/32222"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/32454"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/32746"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/35074"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/35650"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/39300"
},
{
"type": "WEB",
"url": "http://security.gentoo.org/glsa/glsa-200811-05.xml"
},
{
"type": "WEB",
"url": "http://support.apple.com/kb/HT3216"
},
{
"type": "WEB",
"url": "http://support.apple.com/kb/HT3549"
},
{
"type": "WEB",
"url": "http://ubuntu.com/usn/usn-624-2"
},
{
"type": "WEB",
"url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0305"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2008/dsa-1602"
},
{
"type": "WEB",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200807-03.xml"
},
{
"type": "WEB",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:147"
},
{
"type": "WEB",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:023"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/archive/1/497828/100/0/threaded"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/30087"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/31681"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/usn-624-1"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/usn-628-1"
},
{
"type": "WEB",
"url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2008/2005"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2008/2006"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2008/2336"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2008/2780"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2009/1297"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2010/0833"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-8547-J8J2-79V8
Vulnerability from github – Published: 2024-08-15 18:31 – Updated: 2024-08-15 21:31
VLAI
Details
Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromP2pListFilter function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2024-42940"
],
"database_specific": {
"cwe_ids": [
"CWE-121",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-15T17:15:18Z",
"severity": "HIGH"
},
"details": "Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromP2pListFilter function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.",
"id": "GHSA-8547-j8j2-79v8",
"modified": "2024-08-15T21:31:19Z",
"published": "2024-08-15T18:31:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42940"
},
{
"type": "WEB",
"url": "https://github.com/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/Tenda/FH1201/fromP2pListFilter.md"
}
],
"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-854J-XQ53-PCRC
Vulnerability from github – Published: 2022-05-13 01:20 – Updated: 2022-05-13 01:20
VLAI
Details
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 11. This CVE ID is unique from CVE-2018-8447.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2018-8461"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-09-13T00:29:00Z",
"severity": "HIGH"
},
"details": "A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka \"Internet Explorer Memory Corruption Vulnerability.\" This affects Internet Explorer 11. This CVE ID is unique from CVE-2018-8447.",
"id": "GHSA-854j-xq53-pcrc",
"modified": "2022-05-13T01:20:54Z",
"published": "2022-05-13T01:20:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-8461"
},
{
"type": "WEB",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8461"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/105258"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1041632"
}
],
"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"
}
]
}
GHSA-855F-RQVC-24WM
Vulnerability from github – Published: 2022-05-24 17:30 – Updated: 2022-05-24 17:30
VLAI
Details
HUAWEI P30 Pro versions earlier than 10.1.0.160(C00E160R2P8) and versions earlier than 10.1.0.160(C01E160R2P8) have a buffer overflow vulnerability. An attacker induces users to install malicious applications and sends specially constructed packets to affected devices after obtaining the root permission. Successful exploit may cause code execution.
{
"affected": [],
"aliases": [
"CVE-2020-9123"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-10-12T14:15:00Z",
"severity": "HIGH"
},
"details": "HUAWEI P30 Pro versions earlier than 10.1.0.160(C00E160R2P8) and versions earlier than 10.1.0.160(C01E160R2P8) have a buffer overflow vulnerability. An attacker induces users to install malicious applications and sends specially constructed packets to affected devices after obtaining the root permission. Successful exploit may cause code execution.",
"id": "GHSA-855f-rqvc-24wm",
"modified": "2022-05-24T17:30:33Z",
"published": "2022-05-24T17:30:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9123"
},
{
"type": "WEB",
"url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-buffer-en"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-855M-RFWJ-VWJ6
Vulnerability from github – Published: 2024-07-01 15:32 – Updated: 2024-07-01 15:32
VLAI
Details
In faceid servive, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed
Severity
5.1 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-39429"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-01T09:15:06Z",
"severity": "MODERATE"
},
"details": "In faceid servive, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed",
"id": "GHSA-855m-rfwj-vwj6",
"modified": "2024-07-01T15:32:06Z",
"published": "2024-07-01T15:32:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39429"
},
{
"type": "WEB",
"url": "https://www.unisoc.com/en_us/secy/announcementDetail/1807576926177525762"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-857M-46RQ-RJ5C
Vulnerability from github – Published: 2021-12-09 00:01 – Updated: 2021-12-11 00:01
VLAI
Details
A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
{
"affected": [],
"aliases": [
"CVE-2021-20043"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-12-08T10:15:00Z",
"severity": "HIGH"
},
"details": "A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.",
"id": "GHSA-857m-46rq-rj5c",
"modified": "2021-12-11T00:01:15Z",
"published": "2021-12-09T00:01:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20043"
},
{
"type": "WEB",
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-858H-4XMR-292Q
Vulnerability from github – Published: 2022-05-17 00:56 – Updated: 2022-05-17 00:56
VLAI
Details
Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, does not properly implement web audio nodes, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.
{
"affected": [],
"aliases": [
"CVE-2013-0879"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2013-02-23T21:55:00Z",
"severity": "HIGH"
},
"details": "Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, does not properly implement web audio nodes, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.",
"id": "GHSA-858h-4xmr-292q",
"modified": "2022-05-17T00:56:52Z",
"published": "2022-05-17T00:56:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0879"
},
{
"type": "WEB",
"url": "https://code.google.com/p/chromium/issues/detail?id=172243"
},
{
"type": "WEB",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16505"
},
{
"type": "WEB",
"url": "http://googlechromereleases.blogspot.com/2013/02/stable-channel-update_21.html"
},
{
"type": "WEB",
"url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00001.html"
},
{
"type": "WEB",
"url": "http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-updates/2013-03/msg00045.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/54886"
},
{
"type": "WEB",
"url": "http://support.apple.com/kb/HT5785"
},
{
"type": "WEB",
"url": "http://support.apple.com/kb/HT5934"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-858J-C6FV-3GV7
Vulnerability from github – Published: 2022-05-17 02:42 – Updated: 2023-01-26 21:30
VLAI
Details
Adobe Flash Player before 18.0.0.343 and 19.x through 21.x before 21.0.0.213 on Windows and OS X and before 11.2.202.616 on Linux allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2016-1012, CVE-2016-1020, CVE-2016-1021, CVE-2016-1022, CVE-2016-1023, CVE-2016-1024, CVE-2016-1025, CVE-2016-1026, CVE-2016-1028, CVE-2016-1029, CVE-2016-1032, and CVE-2016-1033.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2016-1027"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2016-04-09T01:59:00Z",
"severity": "CRITICAL"
},
"details": "Adobe Flash Player before 18.0.0.343 and 19.x through 21.x before 21.0.0.213 on Windows and OS X and before 11.2.202.616 on Linux allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2016-1012, CVE-2016-1020, CVE-2016-1021, CVE-2016-1022, CVE-2016-1023, CVE-2016-1024, CVE-2016-1025, CVE-2016-1026, CVE-2016-1028, CVE-2016-1029, CVE-2016-1032, and CVE-2016-1033.",
"id": "GHSA-858j-c6fv-3gv7",
"modified": "2023-01-26T21:30:30Z",
"published": "2022-05-17T02:42:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-1027"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/flash-player/apsb16-10.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00044.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00045.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2016-0610.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/85932"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1035509"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-85C3-6734-6RQP
Vulnerability from github – Published: 2022-05-24 19:13 – Updated: 2025-12-03 15:30
VLAI
Details
Tuxera NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2021-33287"
],
"database_specific": {
"cwe_ids": [
"CWE-20",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-09-07T15:15:00Z",
"severity": "HIGH"
},
"details": "Tuxera NTFS-3G versions \u003c 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.",
"id": "GHSA-85c3-6734-6rqp",
"modified": "2025-12-03T15:30:27Z",
"published": "2022-05-24T19:13:10Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33287"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202301-01"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4971"
},
{
"type": "WEB",
"url": "http://ntfs-3g.com"
},
{
"type": "WEB",
"url": "http://tuxera.com"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2021/08/30/1"
}
],
"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"
}
]
}
Mitigation MIT-3
Requirements
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
Architecture and Design
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
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-9
Implementation
- 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
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 MIT-12
Operation
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
Implementation
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.