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Insecure Library Loading
Not critical

F-Secure Products Archive Files Detection Bypass

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Release Date:  2010-04-12    Last Update:  2010-04-21    Views:  3,116

Secunia Advisory SA39396

Where:

From remote

Impact:

Security Bypass

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


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

The weakness is caused due to an error in the handling of 7Z, GZIP, CAB, and RAR files and can be exploited to bypass the anti-virus scanning functionality via a specially crafted archive file.

The weakness affects the following products:
* Solutions based on F-Secure Protection Service for Business - E-mail and Server security version 9 and earlier
* F-Secure Anti-Virus for Microsoft Exchange 9 and earlier
* F-Secure Internet Gatekeeper for Windows 6.61 and earlier
* F-Secure Internet Gatekeeper for Linux 4.02 and earlier
* F-Secure Anti-Virus for MIMEsweeper 5.61 and earlier
* F-Secure Internet Security 2010 and earlier
* F-Secure Anti-Virus 2010 and earlier
* F-Secure Home Server Security 2009
* Solutions based on F-Secure Protection Service for Consumers version 9 and earlier
* Solutions based on F-Secure Protection Service for Business - Workstation security version 9 and earlier
* Solutions based on F-Secure Protection Service for Business - Server Security version 8 and earlier
* Services based on F-Secure Mac Protection build 8060 and earlier
* F-Secure Client Security 9 and earlier
* F-Secure Anti-Virus for Workstations 9 and earlier
* F-Secure Anti-Virus for Windows Servers 9 and earlier
* F-Secure Linux Security 7.03 and earlier
* F-Secure Anti-Virus Linux Client Security 5.54 and earlier
* F-Secure Anti-Virus Linux Server Security 5.54 and earlier
* F-Secure Anti-Virus for Linux Servers 4.65
* F-Secure Anti-Virus for Citrix Servers 9 and earlier


Solution:
Fixes are distributed via the update channel. For products that do not support automatic updates, apply the patches (please see the vendor advisory for details).

Provided and/or discovered by:
The vendor credits ReversingLabs.

Original Advisory:
F-Secure:
http://www.f-secure.com/en_EMEA/support/security-advisory/fsc-2010-1.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: F-Secure Products Archive Files Detection Bypass

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