Title: F-Secure Anti-Virus Gatekeeper and Gateway for Linux Local Privilege Escalation Vulnerability
Severity: HIGH
Description:
F-Secure Anti-Virus Internet Gatekeeper for Linux and F-Secure Anti-Virus Linux Gateway are designed for gateway-deployed content-filtering to protect against various malware.
F-Secure Anti-Virus products are prone to a local privilege-escalation vulnerability because of insecure setuid-superuser binary permissions.
Specifically, the '/opt/f-secure/fsigk/cgi/*suid.cgi' and '/home/virusgw/cgi/*suid.cgi' paths contain setuid-superuser executables with world-executable permissions. These binaries allow local users to execute arbitrary commands with superuser privileges.
Exploiting this vulnerability allows local attackers to gain superuser privileges, leading to a complete compromise of the affected computer.
Affected Products:
- F-Secure Anti-Virus for Linux Gateways
- F-Secure Internet Gatekeeper for Linux
References:
- F-Secure: F-Secure Anti-Virus for Linux Product Page
- F-Secure: F-Secure Internet Gatekeeper for Linux Product Page
- F-Secure: F-Secure Security Bulletin FSC-2005-3 Local root vulnerability in F-Secure Inter
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