Improper access control in Firefox ESR - CVE-2022-26386

 

Improper access control in Firefox ESR - CVE-2022-26386

Published: March 8, 2022


Vulnerability identifier: #VU61109
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-26386
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Firefox ESR
Software vendor:
Mozilla

Description

The vulnerability allows a local user to gain access to victim's downloads.

The vulnerability exists due to browser stores files in the /tmp folder, which is accessible by all local users. A local user can read files from this folder and gain access to potentially sensitive information.

Note, the vulnerability affects Firefox ESR on macOS and Linux.


Remediation

Install updates from vendor's website.

External links