Security features bypass in Mozilla products - CVE-2023-29539
Published: April 11, 2023
Vulnerability identifier: #VU74829
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-29539
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Firefox Focus for Android
Mozilla Firefox
Firefox ESR
Firefox for Android
Firefox Focus for Android
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper handling of filename directive in the Content-Disposition header, which leads to filename truncation if it contains a NULL character. A remote attacker can abuse such behavior and trick the victim into downloading a malicious file.
Remediation
Install updates from vendor's website.