Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
5243 vulnerabilities reference this CWE, most recent first.
GHSA-7F92-XQQR-XJHW
Vulnerability from github – Published: 2025-03-20 15:30 – Updated: 2025-03-24 15:30
VLAI
Details
Tenda AC8V4.0 V16.03.34.06 was discovered to contain a stack overflow via the deviceid parameter in the get_parentControl_list_Info function.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2025-29101"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-20T13:15:36Z",
"severity": "HIGH"
},
"details": "Tenda AC8V4.0 V16.03.34.06 was discovered to contain a stack overflow via the deviceid parameter in the get_parentControl_list_Info function.",
"id": "GHSA-7f92-xqqr-xjhw",
"modified": "2025-03-24T15:30:39Z",
"published": "2025-03-20T15:30:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-29101"
},
{
"type": "WEB",
"url": "https://github.com/Raining-101/IOT_cve/blob/main/tenda-ac8_get_parentControl_list_Info_overflow.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-7F9J-8MJP-QV5P
Vulnerability from github – Published: 2026-06-02 15:32 – Updated: 2026-06-03 15:30
VLAI
Details
A stack-based buffer overflow in the export_language.cgi binary in VIVOTEK FD8136 firmware FD8136-VVTK-0300a allows authenticated remote attackers to execute arbitrary code as root via a crafted POST request to the /cgi-bin/admin/export_language.cgi endpoint. The handler passes the attacker-controlled Content-Length value directly to fread() as the read size into a fixed-size 0x60-byte stack buffer, overwriting the saved link register. The binary is compiled without stack canaries.
Severity
6.3 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-35717"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-02T14:16:51Z",
"severity": "MODERATE"
},
"details": "A stack-based buffer overflow in the export_language.cgi binary in VIVOTEK FD8136 firmware FD8136-VVTK-0300a allows authenticated remote attackers to execute arbitrary code as root via a crafted POST request to the /cgi-bin/admin/export_language.cgi endpoint. The handler passes the attacker-controlled Content-Length value directly to fread() as the read size into a fixed-size 0x60-byte stack buffer, overwriting the saved link register. The binary is compiled without stack canaries.",
"id": "GHSA-7f9j-8mjp-qv5p",
"modified": "2026-06-03T15:30:39Z",
"published": "2026-06-02T15:32:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35717"
},
{
"type": "WEB",
"url": "https://github.com/xchg-rax-rax/vulnerability-research/tree/main/CVE-2026-35717"
},
{
"type": "WEB",
"url": "http://vivotek.com"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-7FM7-H87X-9HJQ
Vulnerability from github – Published: 2026-06-17 18:35 – Updated: 2026-06-17 18:35
VLAI
Details
A stack-based buffer overflow exists in the raw_to_header() function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy() without guaranteeing null termination of the source. The POSIX ustar format permits these fixed-width fields to be fully populated with non-null bytes, so a crafted archive whose linkname field (followed by the trailing padding of the 512-byte raw header) contains no null terminator causes strcpy() to read past the end of the 512-byte raw header stack buffer and to write past the destination header buffer. A remote attacker who supplies a crafted TAR archive that the victim opens or parses (via mtar_open(), mtar_read_header(), or mtar_find()) can cause an out-of-bounds read and a stack buffer overflow, resulting in denial of service (crash) and potentially arbitrary code execution. Confirmed with AddressSanitizer: stack-buffer-overflow READ of size 356 in raw_to_header at src/microtar.c:112.
Severity
{
"affected": [],
"aliases": [
"CVE-2026-55738"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-17T14:18:00Z",
"severity": "HIGH"
},
"details": "A stack-based buffer overflow exists in the raw_to_header() function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy() without guaranteeing null termination of the source. The POSIX ustar format permits these fixed-width fields to be fully populated with non-null bytes, so a crafted archive whose linkname field (followed by the trailing padding of the 512-byte raw header) contains no null terminator causes strcpy() to read past the end of the 512-byte raw header stack buffer and to write past the destination header buffer. A remote attacker who supplies a crafted TAR archive that the victim opens or parses (via mtar_open(), mtar_read_header(), or mtar_find()) can cause an out-of-bounds read and a stack buffer overflow, resulting in denial of service (crash) and potentially arbitrary code execution. Confirmed with AddressSanitizer: stack-buffer-overflow READ of size 356 in raw_to_header at src/microtar.c:112.",
"id": "GHSA-7fm7-h87x-9hjq",
"modified": "2026-06-17T18:35:55Z",
"published": "2026-06-17T18:35:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55738"
},
{
"type": "WEB",
"url": "https://github.com/rxi/microtar"
},
{
"type": "WEB",
"url": "https://github.com/rxi/microtar/blob/master/src/microtar.c#L111"
},
{
"type": "WEB",
"url": "https://raw.githubusercontent.com/rxi/microtar/master/src/microtar.c"
}
],
"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"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-7FVF-PHGC-7GPV
Vulnerability from github – Published: 2025-10-14 12:31 – Updated: 2025-10-14 15:31
VLAI
Details
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00432661; Issue ID: MSV-3904.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2025-20713"
],
"database_specific": {
"cwe_ids": [
"CWE-121",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-10-14T10:15:35Z",
"severity": "HIGH"
},
"details": "In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00432661; Issue ID: MSV-3904.",
"id": "GHSA-7fvf-phgc-7gpv",
"modified": "2025-10-14T15:31:25Z",
"published": "2025-10-14T12:31:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20713"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/October-2025"
}
],
"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-7G7H-586J-X4H5
Vulnerability from github – Published: 2024-01-15 03:30 – Updated: 2025-02-16 09:30
VLAI
Details
A vulnerability was found in Tenda A15 15.13.07.13. It has been declared as critical. This vulnerability affects unknown code of the file /goform/WifiExtraSet of the component Web-based Management Interface. The manipulation of the argument wpapsk_crypto2_4g leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-250702 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
{
"affected": [],
"aliases": [
"CVE-2024-0532"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-121",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-15T02:15:15Z",
"severity": "HIGH"
},
"details": "A vulnerability was found in Tenda A15 15.13.07.13. It has been declared as critical. This vulnerability affects unknown code of the file /goform/WifiExtraSet of the component Web-based Management Interface. The manipulation of the argument wpapsk_crypto2_4g leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-250702 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.",
"id": "GHSA-7g7h-586j-x4h5",
"modified": "2025-02-16T09:30:24Z",
"published": "2024-01-15T03:30:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-0532"
},
{
"type": "WEB",
"url": "https://github.com/yaoyue123/iot/blob/main/Tenda/A15/WifExtraSet.md"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.250702"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.250702"
},
{
"type": "WEB",
"url": "https://vuldb.com/?submit.262690"
},
{
"type": "WEB",
"url": "https://www.tenda.com.cn"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-7G8H-978R-MHH2
Vulnerability from github – Published: 2025-01-09 09:31 – Updated: 2025-01-09 15:31
VLAI
Details
A post-authentication stack-based buffer overflow vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2024-12803"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-09T08:15:26Z",
"severity": "CRITICAL"
},
"details": "A post-authentication stack-based buffer overflow vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution.",
"id": "GHSA-7g8h-978r-mhh2",
"modified": "2025-01-09T15:31:51Z",
"published": "2025-01-09T09:31:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-12803"
},
{
"type": "WEB",
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0004"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7G8J-95MJ-P92J
Vulnerability from github – Published: 2025-05-09 06:32 – Updated: 2025-05-09 06:32
VLAI
Details
The LCD KVM over IP Switch CL5708IM has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to execute arbitrary code on the device.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2025-3711"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-09T04:16:11Z",
"severity": "CRITICAL"
},
"details": "The LCD KVM over IP Switch CL5708IM has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to execute arbitrary code on the device.",
"id": "GHSA-7g8j-95mj-p92j",
"modified": "2025-05-09T06:32:36Z",
"published": "2025-05-09T06:32:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3711"
},
{
"type": "WEB",
"url": "https://www.twcert.org.tw/en/cp-139-10104-63bf4-2.html"
},
{
"type": "WEB",
"url": "https://www.twcert.org.tw/tw/cp-132-10096-60a81-1.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-7GX3-R5Q9-6J33
Vulnerability from github – Published: 2026-06-05 12:31 – Updated: 2026-07-13 12:34
VLAI
Details
A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias target name length is 1024 bytes. A font alias name between 257 and 1023 bytes causes the X server to copy that name into the undersized stack buffer without further checks. This may be used to crash the server, or for privilege escalation if the X server runs as root.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-50256"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-05T12:16:38Z",
"severity": "HIGH"
},
"details": "A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library\u0027s maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2\u0027s alias target name length is 1024 bytes. A font alias name between 257 and 1023 bytes causes the X server to copy that name into the undersized stack buffer without further checks. This may be used to crash the server, or for privilege escalation if the X server runs as root.",
"id": "GHSA-7gx3-r5q9-6j33",
"modified": "2026-07-13T12:34:55Z",
"published": "2026-06-05T12:31:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50256"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50256.json"
},
{
"type": "WEB",
"url": "https://redhat.atlassian.net/browse/PSIRTSUPT-16950"
},
{
"type": "WEB",
"url": "https://lists.x.org/archives/xorg-announce/2026-June/003702.html"
},
{
"type": "WEB",
"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/bb5158f962dc935e58ef8b4b5fcb31be201a6e07"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485380"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-50256"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38810"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38502"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36798"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36792"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36791"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36768"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36634"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36633"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36632"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36087"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36086"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36085"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36083"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:29844"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:28923"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26709"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26610"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26590"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26566"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26562"
}
],
"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-7H74-JF2J-324M
Vulnerability from github – Published: 2025-06-17 21:32 – Updated: 2025-06-17 21:32
VLAI
Details
Fuji Electric Smart Editor is vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.
Severity
{
"affected": [],
"aliases": [
"CVE-2025-41388"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-06-17T21:15:38Z",
"severity": "HIGH"
},
"details": "Fuji Electric Smart Editor is vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.",
"id": "GHSA-7h74-jf2j-324m",
"modified": "2025-06-17T21:32:31Z",
"published": "2025-06-17T21:32:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-41388"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-168-04"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-7H7Q-J33Q-HVPF
Vulnerability from github – Published: 2026-03-12 14:11 – Updated: 2026-03-12 14:11
VLAI
Summary
ImageMagick has stack write buffer overflow in MNG encoder
Details
A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data.
==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp 0x7ffec4970f68
WRITE of size 1 at 0x7ffec4971310 thread T0
Severity
6.9 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "Magick.NET-Q16-AnyCPU"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "14.10.4"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
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"aliases": [
"CVE-2026-28690"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-12T14:11:47Z",
"nvd_published_at": "2026-03-10T07:43:44Z",
"severity": "MODERATE"
},
"details": "A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data.\n\n```\n==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp 0x7ffec4970f68\nWRITE of size 1 at 0x7ffec4971310 thread T0\n```",
"id": "GHSA-7h7q-j33q-hvpf",
"modified": "2026-03-12T14:11:47Z",
"published": "2026-03-12T14:11:47Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7h7q-j33q-hvpf"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28690"
},
{
"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
},
{
"type": "WEB",
"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.10.4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick has stack write buffer overflow in MNG encoder"
}
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
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.