SB2019102428 - Permissions, Privileges, and Access Controls in firefox (Alpine package)
Published: October 24, 2019
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-2019-17001)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document. A remote attacker can use such behavior in conjunction with XSS vulnerability on the website to bypass CSP protection using object tag when script-src 'none' is specified.
Remediation
Install update from vendor's website.