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>> F-Secure Anti-Virus Products LHA and RAR File Handling Scan Bypass Vulnerability

Title : F-Secure Anti-Virus Products LHA and RAR File Handling Scan Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2007-2247
CVE ID : CVE-2007-3300
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-06-19


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in various F-Secure products, which could be exploited by attackers or malware to bypass security checks. This issue is caused by an error when parsing LHA and RAR archives with a specially crafted header, which could be exploited to bypass security restrictions and cause a vulnerable scanner to not detect malware stored in a specially crafted archive.

Affected Products

F-Secure Anti-Virus for Workstations version 7.00 and prior
F-Secure Anti-Virus for Windows Servers version 7.00 and prior
F-Secure Anti-Virus for Citrix Servers version 5.52
F-Secure Anti-Virus for MIMEsweeper version 5.61 and prior
F-Secure Client Security version 7.00 and prior
F-Secure Anti-Virus for MS Exchange version 7.00 and prior
F-Secure Internet Gatekeeper version 6.61 and prior
F-Secure Internet Security 2005
F-Secure Internet Security 2006
F-Secure Internet Security 2007
F-Secure Anti-Virus 2005
F-Secure Anti-Virus 2006
F-Secure Anti-Virus 2007
F-Secure Anti-Virus for Linux Servers version 4.65 and prior
F-Secure Anti-Virus for Linux Gateways version 4.65 and prior
F-Secure Linux Client Security 5.52 and prior
F-Secure Linux Server Security 5.52 and prior
F-Secure Internet Gatekeeper for Linux 2.16 and prior

Solution

Fixes are applied automatically through the regular database update functionality.

References

http://www.vupen.com/english/advisories/2007/2247
http://www.f-secure.com/security/fsc-2007-5.shtml

Credits

Vulnerabilities reported by Thierry Zoller (n.runs AG).

ChangeLog

2007-06-19 : Initial release

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