CVE-2023-6856

The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

CVSS v3.0 8.8 HIGH

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1843782	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2023-54/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-55/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-56/	Vendor Advisory
https://www.debian.org/security/2023/dsa-5581	Third Party Advisory
https://www.debian.org/security/2023/dsa-5582	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
https://security.gentoo.org/glsa/202401-10

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:thunderbird::::::::
	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:11.0:::::::*
	cpe:2.3:o:debian:debian_linux:12.0:::::::*

Information

Published : 2023-12-19 14:15

Updated : 2024-01-07 11:15

NVD link : CVE-2023-6856

Mitre link : CVE-2023-6856

JSON object : View

Products Affected

mozilla

firefox_esr
thunderbird
firefox

debian

debian_linux

CWE

CWE-787

Out-of-bounds Write

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1843782", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1843782", "tags": ["Issue Tracking", "Permissions Required"], "refsource": ""}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-54/", "name": "https://www.mozilla.org/security/advisories/mfsa2023-54/", "tags": ["Vendor Advisory"], "refsource": ""}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-55/", "name": "https://www.mozilla.org/security/advisories/mfsa2023-55/", "tags": ["Vendor Advisory"], "refsource": ""}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-56/", "name": "https://www.mozilla.org/security/advisories/mfsa2023-56/", "tags": ["Vendor Advisory"], "refsource": ""}, {"url": "https://www.debian.org/security/2023/dsa-5581", "name": "https://www.debian.org/security/2023/dsa-5581", "tags": ["Third Party Advisory"], "refsource": ""}, {"url": "https://www.debian.org/security/2023/dsa-5582", "name": "https://www.debian.org/security/2023/dsa-5582", "tags": ["Third Party Advisory"], "refsource": ""}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html", "name": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html", "tags": [], "refsource": ""}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html", "name": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html", "tags": [], "refsource": ""}, {"url": "https://security.gentoo.org/glsa/202401-10", "name": "https://security.gentoo.org/glsa/202401-10", "tags": [], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-6856", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}}, "publishedDate": "2023-12-19T14:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "115.6"}, {"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "121.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "115.6"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2024-01-07T11:15Z"}