F-PROT Antivirus: Multiple Denial of Service vulnerabilities

Background

F-PROT Antivirus is a multi-platform virus scanner for workstations and mail servers.

Description

The following vulnerabilities were found:

• Multiple errors when processing UPX, ASPack or Microsoft Office files (CVE-2008-3243).
• Infinite Sergio Alvarez of n.runs AG reported an invalid memory access when processing a CHM file with a large nb_dir value (CVE-2008-3244).
• Jonathan Brossard from iViZ Techno Solutions reported that F-PROT Antivirus does not correctly process ELF binaries with corrupted headers (CVE-2008-5747).

Impact

A remote attacker could entice a user or automated system to scan a specially crafted file, leading to a crash or infinite loop.

Workaround

There is no known workaround at this time.

Resolution

All F-PROT Antivirus users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-antivirus/f-prot-6.0.2"