Improper certificate validation in Mozilla products - CVE-2025-1014

 

Improper certificate validation in Mozilla products - CVE-2025-1014

Published: February 4, 2025


Vulnerability identifier: #VU103610
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-1014
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to gain bypass implemented security restrictions.

The vulnerability exists due to improper certificate validation when adding certificates to a store. Firefox did not check certificate length, resulting only in trusted data being checked. A remote attacker can trick the victim into importing a malicious certificate into the certificate store and perform MitM attack.


How to mitigate CVE-2025-1014

Install updates from vendor's website.

Sources