SB2019102427 - 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-2019-17000)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to the object tag with a data URI does not correctly inherit the document's Content Security Policy. A remote attacker can use a specually crafted website to bypass a cross-origin frame if the document's policy explicitly allowed data: URIs.
Remediation
Install update from vendor's website.