SB2020112915 - Improper Check for Certificate Revocation in firefox (Alpine package)



SB2020112915 - Improper Check for Certificate Revocation in firefox (Alpine package)

Published: November 29, 2020

Security Bulletin ID SB2020112915
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Check for Certificate Revocation (CVE-ID: CVE-2020-26957)

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

The vulnerability exists due to OneCRL was non-functional in the Firefox for Android due to a missing service initialization. This could result in a failure to enforce some certificate revocations.


Remediation

Install update from vendor's website.