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TITLE:
F-Secure Archives and Packed Executables Detection Bypass

SECUNIA ADVISORY ID:
SA26948

VERIFY ADVISORY:
http://secunia.com/advisories/26948/

CRITICAL:
Not critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
F-Secure Anti-Virus for Windows Servers 7.x
http://secunia.com/product/14382/

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.

ORIGINAL ADVISORY:
http://www.f-secure.com/security/fsc-2007-6.shtml

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