SB2020121557 - Input validation error in firefox (Alpine package)



SB2020121557 - Input validation error in firefox (Alpine package)

Published: December 15, 2020

Security Bulletin ID SB2020121557
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) Input validation error (CVE-ID: CVE-2020-26973)

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

The vulnerability exists due to insufficient validation of user-supplied input within CSS Sanitizer. A remote attacker can create a specially crafted web page, trick the victim into visiting it, and bypass implemented security restrictions.


Remediation

Install update from vendor's website.