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F-Secure LHA and RAR Archives Security Bypass Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA25738  
Release Date: 2007-06-19
Last Update: 2007-06-22

Critical:
Less critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:F-Secure Anti-Virus 2005
F-Secure Anti-Virus 2006
F-Secure Anti-Virus 2007
F-Secure Anti-Virus Client Security 7.x
F-Secure Anti-Virus for Citrix Servers 5.x
F-Secure Anti-Virus for Linux 4.x
F-Secure Anti-Virus for Linux Gateways 4.x
F-Secure Anti-Virus for Microsoft Exchange 6.x
F-Secure Anti-Virus for Microsoft Exchange 7.x
F-Secure Anti-Virus for MIMEsweeper 5.x
F-Secure Anti-Virus for Windows Servers 7.x
F-Secure Anti-Virus for Workstations 7.x
F-Secure Anti-Virus Linux Client Security 5.x
F-Secure Anti-Virus Linux Server Security 5.x
F-Secure Internet Gatekeeper 6.x
F-Secure Internet Gatekeeper for Linux 2.x
F-Secure Internet Security 2005
F-Secure Internet Security 2006
F-Secure Internet Security 2007

CVE reference:CVE-2007-3300 (Secunia mirror)

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Description:
A vulnerability has been reported in various F-Secure products, which can be exploited by malware to bypass the scanning functionality.

The vulnerability is caused due to an error in the handling of LHA and RAR files with malformed archive file headers. This can be exploited to bypass the anti-virus scanning functionality via a specially crafted LHA or RAR file.

The vulnerability is reported in the following products and versions:
F-Secure Anti-Virus for Workstations version 7.00 and earlier
F-Secure Anti-Virus for Windows Servers version 7.00 and earlier
F-Secure Anti-Virus for Citrix Servers version 5.52
F-Secure Anti-Virus for MIMEsweeper version 5.61 and earlier
F-Secure Client Security version 7.00 and earlier
F-Secure Anti-Virus for MS Exchange version 7.00 and earlier
F-Secure Internet Gatekeeper version 6.61 and earlier
F-Secure Internet Security 2005, 2006 and 2007
F-Secure Anti-Virus 2005, 2006 and 2007
Solutions based on F-Secure Protection Service for Consumers version 7.00 and earlier
F-Secure Anti-Virus for Linux Servers version 4.65 and earlier
F-Secure Anti-Virus for Linux Gateways version 4.65 and earlier
F-Secure Linux Client Security 5.52 and earlier
F-Secure Linux Server Security 5.52 and earlier
F-Secure Internet Gatekeeper for Linux 2.16 and earlier

Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.

Solution:
Fixed automatically in database updates.

Provided and/or discovered by:
The vendor credits Thierry Zoller, n.runs AG.

Changelog:
2007-06-22: Added CVE reference.

Original Advisory:
http://www.f-secure.com/security/fsc-2007-5.shtml



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

22 Related Secunia Security Advisories, displaying 10

1. F-Secure Archives Handling Unspecified Vulnerabilities
2. F-Secure Products CAB and RAR Archives Security Bypass
3. F-Secure Archives and Packed Executables Detection Bypass
4. F-Secure Packed Executable and Archive Scanning Denial of Service
5. F-Secure Anti-Virus Real-Time Scanning Component Privilege Escalation
6. F-Secure Products LHA Archive Handling Buffer Overflow
7. F-Secure Products OpenSSL ASN.1 Denial Of Service Vulnerability
8. F-Secure Antivirus Products Scanning Bypass Vulnerability
9. F-Secure Products Web Console Buffer Overflow Vulnerability
10. F-Secure Anti-Virus Archive Handling Vulnerabilities

Show all related advisories


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