SB2021121744 - Fedora 36 update for mod_auth_mellon
Published: December 17, 2021
Security Bulletin ID
SB2021121744
Severity
Low
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) Open redirect (CVE-ID: CVE-2021-3639)
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of logout URLs in mod_auth_mellon. A remote attacker can create a link that leads to a trusted website, trick the victim to open it and redirect to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Remediation
Install update from vendor's website.