SB2020050635 - Input validation error in firefox (Alpine package)
Published: May 6, 2020
Security Bulletin ID
SB2020050635
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-12390)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to incorrect origin serialization of nsIPrincipal.origin for IPv6 addresses. A remote attacker can bypass implemented security restrictions with a specially crafted URL.
Remediation
Install update from vendor's website.