Multiple F-PROT Products CAB File Scan Evasion Vulnerability

Bugtraq ID:	34896
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	May 08 2009 12:00AM
Updated:	May 11 2009 06:16PM
Credit:	Thierry Zoller
Vulnerable:	Frisk Software F-PROT Milter 0 Frisk Software F-PROT AVES 0 Frisk Software F-PROT Antivirus for Windows on Mail Servers 0 Frisk Software F-Prot Antivirus for Windows Frisk Software F-PROT Antivirus for Solaris Mail Servers 0 Frisk Software F-Prot Antivirus for Linux x86 Workstations 0 Frisk Software F-PROT Antivirus for Linux x86 Mail Servers 0 Frisk Software F-PROT Antivirus for Linux x86 File Servers 0 Frisk Software F-PROT Antivirus for Linux on IBM zSeries 0 Frisk Software F-Prot Antivirus for Exchange
Not Vulnerable:

Multiple F-PROT Products CAB File Scan Evasion Vulnerability

Multiple F-PROT products are prone to a vulnerability that may allow certain compressed archives to bypass the scan engine.

Successful exploits will allow attackers to distribute files containing malicious code that the antivirus application will fail to detect.

Multiple F-PROT Products CAB File Scan Evasion Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

NOTE: The researcher who reported this issue has developed proofs of concept, but they are not publicly available.

Multiple F-PROT Products CAB File Scan Evasion Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Multiple F-PROT Products CAB File Scan Evasion Vulnerability

References:

• F-Prot Home Page (F-PROT)
  
• [TZO-21-2009] Fprot CAB bypass / evasion (Thierry Zoller )
  
• Advisory : F-Prot (Frisk) - CAB bypass / evasions (Thierry Zoller)