Multiple Avira AntiVir Products PDF File Scan Evasion Vulnerability

Bugtraq ID:	35008
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	May 18 2009 12:00AM
Updated:	May 21 2009 01:21AM
Credit:	Thierry Zoller
Vulnerable:	AVIRA Premium Security Suite 0 AVIRA AntiVir WebGate 0 AVIRA AntiVir Virus Scan Adapter for SAP NetWeaver 0 AVIRA AntiVir SharePoint 0 AVIRA AntiVir Server (Unix) 0 AVIRA AntiVir Professional (Unix) 0 AVIRA AntiVir Professional 0 AVIRA AntiVir Premium 0 AVIRA AntiVir MIMEsweeper 0 AVIRA AntiVir MailGate 0 AVIRA AntiVir ISA Server 0 AVIRA AntiVir Free 0 AVIRA AntiVir for KEN! 4 AVIRA AntiVir Exchange 0
Not Vulnerable:

Multiple Avira AntiVir Products PDF File Scan Evasion Vulnerability

Multiple Avira AntiVir products are prone to a vulnerability that may allow certain PDF files to bypass the scan engine.

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

The following products are affected:

AntiVir Personal
AntiVir Premium
AntiVir Premium Security Suite
AntiVir Professional (Desktop)
AntiVir Server
AntiVir Exchange
AntiVir SharePoint
AntiVir ISA Server
AntiVir MIMEsweeper
AntiVir for KEN! 4
AntiVir Virus Scan Adapter for SAP NetWeaver
AntiVir Professional (Unix)
AntiVir Server (Unix)
AntiVir MailGate
AntiVir WebGate

Multiple Avira AntiVir Products PDF 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].

Multiple Avira AntiVir Products PDF File Scan Evasion Vulnerability

Solution:
Updates are available. Please see the references for details.

Multiple Avira AntiVir Products PDF File Scan Evasion Vulnerability

References:

• Avira AntiVir Homepage (Avira)
  
• hack lu 2009 Advisory : Avira Antivir generic evasion (PDF) (Thierry Zoller)
  
• [TZO-23-2009] Avira antivir generic evasion of heuristics (for PDF) (Thierry Zoller )