SB2020031414 - Permissions, Privileges, and Access Controls in firefox (Alpine package)



SB2020031414 - Permissions, Privileges, and Access Controls in firefox (Alpine package)

Published: March 14, 2020

Security Bulletin ID SB2020031414
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-6813)

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

When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy.


Remediation

Install update from vendor's website.