SB2020031414 - Permissions, Privileges, and Access Controls in firefox (Alpine package)
Published: March 14, 2020
Breakdown by Severity
- 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.