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.
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 |
Configurations
Configuration 1 (hide)
| AND |
|
Configuration 2 (hide)
|
History
02 Feb 2024, 02:32
| Type | Values Removed | Values Added |
|---|---|---|
| References | () 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 | |
| References | () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html - Mailing List, Third Party Advisory | |
| CPE | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
07 Jan 2024, 11:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
29 Dec 2023, 12:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
22 Dec 2023, 11:09
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-362 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.3 |
| References | () https://www.mozilla.org/security/advisories/mfsa2023-56/ - Vendor Advisory | |
| References | () https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 - Issue Tracking, Permissions Required | |
| References | () https://www.debian.org/security/2023/dsa-5581 - Third Party Advisory | |
| References | () https://www.mozilla.org/security/advisories/mfsa2023-55/ - Vendor Advisory | |
| References | () https://www.mozilla.org/security/advisories/mfsa2023-54/ - Vendor Advisory | |
| References | () 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:firefox_esr:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
|
| First Time |
Mozilla firefox Esr
Apple Mozilla thunderbird Google android Linux Mozilla firefox Mozilla Apple macos Debian debian Linux Linux linux Kernel Debian |
22 Dec 2023, 01:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
21 Dec 2023, 01:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2023-12-19 14:15
Updated : 2024-02-28 20:54
NVD link : CVE-2023-6857
Mitre link : CVE-2023-6857
CVE.ORG link : CVE-2023-6857
JSON object : View
Products Affected
linux
- linux_kernel
debian
- debian_linux
mozilla
- firefox_esr
- firefox
- thunderbird
apple
- macos
- android
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')