SB2020112911 - Insufficient UI Warning of Dangerous Operations in firefox (Alpine package)



SB2020112911 - Insufficient UI Warning of Dangerous Operations in firefox (Alpine package)

Published: November 29, 2020

Security Bulletin ID SB2020112911
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) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2020-26953)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the way under certain conditions Firefox enters the fullscreen mode without displaying UI notification. A remote attacker can perform a phishing attack.


Remediation

Install update from vendor's website.