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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

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

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

No history.

Information

Published : 2023-12-19 14:15

Updated : 2024-02-02 02:32

NVD link : CVE-2023-6857

Mitre link : CVE-2023-6857

CVE.ORG link : CVE-2023-6857

JSON object : View

Products Affected

apple

macos

mozilla

firefox
firefox_esr
thunderbird

google

android

linux

linux_kernel

debian

debian_linux

CWE

CWE-362

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

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