CVE-2023-6857

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-6857
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 Issue Tracking Permissions Required
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202401-10 Third Party Advisory
https://www.debian.org/security/2023/dsa-5581 Third Party Advisory
https://www.debian.org/security/2023/dsa-5582 Third Party Advisory
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://bugzilla.mozilla.org/show_bug.cgi?id=1796023 Issue Tracking Permissions Required
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202401-10 Third Party Advisory
https://www.debian.org/security/2023/dsa-5581 Third Party Advisory
https://www.debian.org/security/2023/dsa-5582 Third Party Advisory
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
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
History

21 Nov 2024, 08:44

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 - Issue Tracking, Permissions Required () https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 - Issue Tracking, Permissions Required
References () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html - Mailing List, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html - Mailing List, Third Party Advisory
References () https://security.gentoo.org/glsa/202401-10 - Third Party Advisory () https://security.gentoo.org/glsa/202401-10 - Third Party Advisory
References () https://www.debian.org/security/2023/dsa-5581 - Third Party Advisory () https://www.debian.org/security/2023/dsa-5581 - Third Party Advisory
References () https://www.debian.org/security/2023/dsa-5582 - Third Party Advisory () https://www.debian.org/security/2023/dsa-5582 - Third Party Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-54/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2023-54/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-55/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2023-55/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-56/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2023-56/ - Vendor Advisory

29 Dec 2023, 12:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html -
  • () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html -

22 Dec 2023, 11:09

Type Values Removed Values Added
References () https://www.mozilla.org/security/advisories/mfsa2023-55/ - () https://www.mozilla.org/security/advisories/mfsa2023-55/ - Vendor Advisory
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 - Issue Tracking, Permissions Required
References () https://www.debian.org/security/2023/dsa-5581 - () https://www.debian.org/security/2023/dsa-5581 - Third Party Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-56/ - () https://www.mozilla.org/security/advisories/mfsa2023-56/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-54/ - () https://www.mozilla.org/security/advisories/mfsa2023-54/ - Vendor Advisory
References () https://www.debian.org/security/2023/dsa-5582 - () https://www.debian.org/security/2023/dsa-5582 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.3
CWE CWE-362

22 Dec 2023, 01:15

Type Values Removed Values Added
References
  • () https://www.debian.org/security/2023/dsa-5582 -

21 Dec 2023, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-19 14:15

Updated : 2024-11-21 08:44

NVD link : CVE-2023-6857

Mitre link : CVE-2023-6857

CVE.ORG link : CVE-2023-6857

JSON object : View

Products Affected

google

  • android

mozilla

  • firefox
  • firefox_esr
  • thunderbird

debian

  • debian_linux

linux

  • linux_kernel

apple

  • macos
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')