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F-Secure Archives and Packed Executables Detection Bypass Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA26948  
Release Date: 2007-09-27
Last Update: 2007-10-01

Critical:
Not critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:F-Secure Anti-Virus for Windows Servers 7.x

CVE reference:CVE-2007-5143 (Secunia mirror)

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

The vulnerability is caused due to an unspecified error in the handling of archives and packed executables. This can be exploited to bypass the anti-virus scanning functionality by placing specially crafted archives or packed executables in the "system32" directory.

The vulnerability only affects 64-bit server platforms.

The vulnerability is reported in F-Secure Anti-Virus for Windows Servers version 7.00.

Solution:
Apply patch.
ftp://ftp.f-secure.com/support/hotfix/fsav/fsav720-01-signed.fsfix

Provided and/or discovered by:
The vendor credits Mr Papadorotheoun.

Changelog:
2007-10-01: Added CVE reference.

Original Advisory:
http://www.f-secure.com/security/fsc-2007-6.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.

4 Related Secunia Security Advisories

1. F-Secure Archives Handling Unspecified Vulnerabilities
2. F-Secure Products CAB and RAR Archives Security Bypass
3. F-Secure LHA and RAR Archives Security Bypass
4. F-Secure Packed Executable and Archive Scanning Denial of Service


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