SB2020112902 - Information disclosure in firefox (Alpine package)
Published: November 29, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2020-15680)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the way Firefox handles image tags. A remote attacker can use a specially crafted image tag to reference protocol handlers and depending on the response to determine if the requested external protocol handler is registered on the system.
Remediation
Install update from vendor's website.