TITLE:
F-Secure Anti-Virus Archive Handling Vulnerabilities

SECUNIA ADVISORY ID:
SA18529

VERIFY ADVISORY:
http://secunia.com/advisories/18529/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
F-Secure Personal Express 6.x
http://secunia.com/product/6885/
F-Secure Internet Security 2006
http://secunia.com/product/6883/
F-Secure Internet Security 2005
http://secunia.com/product/4300/
F-Secure Internet Security 2004
http://secunia.com/product/3499/
F-Secure Internet Gatekeeper for Linux 2.x
http://secunia.com/product/4635/
F-Secure Internet Gatekeeper 6.x
http://secunia.com/product/3339/
F-Secure Anti-Virus for Workstations 5.x
http://secunia.com/product/457/
F-Secure Anti-Virus for Windows Servers 5.x
http://secunia.com/product/452/
F-Secure Anti-Virus for Samba Servers 4.x
http://secunia.com/product/3501/
F-Secure Anti-Virus for MIMEsweeper 5.x
http://secunia.com/product/455/
F-Secure Anti-Virus for Microsoft Exchange 6.x
http://secunia.com/product/454/
F-Secure Anti-Virus for Linux 4.x
http://secunia.com/product/3165/
F-Secure Anti-Virus for Firewalls 6.x
http://secunia.com/product/451/
F-Secure Anti-Virus for Citrix Servers 5.x
http://secunia.com/product/5198/
F-Secure Anti-Virus Client Security 6.x
http://secunia.com/product/5786/
F-Secure Anti-Virus Client Security 5.x
http://secunia.com/product/2718/
F-Secure Anti-Virus 5.x
http://secunia.com/product/3334/
F-Secure Anti-Virus 2006
http://secunia.com/product/6882/
F-Secure Anti-Virus 2005
http://secunia.com/product/4299/
F-Secure Anti-Virus 2004
http://secunia.com/product/3500/

DESCRIPTION:
Some vulnerabilities have been reported in various F-Secure products,
which can be exploited by malware to bypass detection or malicious
people to compromise a vulnerable system.

1) A boundary error in the handling of ZIP archives can be exploited
via a specially crafted ZIP archive to cause a buffer overflow and
execute arbitrary code.

2) An error in the scanning functionality when processing RAR and ZIP
archives can be exploited to prevent malware from being detected.

The vulnerabilities affect the following products:
* F-Secure Anti-Virus for Workstation version 5.44 and earlier
* F-Secure Anti-Virus for Windows Servers version 5.52 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 Anti-Virus Client Security version 6.01 and earlier
* F-Secure Anti-Virus for MS Exchange version 6.40 and earlier
* F-Secure Internet Gatekeeper version 6.42 and earlier
* F-Secure Anti-Virus for Firewalls version 6.20 and earlier
* F-Secure Internet Security 2004, 2005 and 2006
* F-Secure Anti-Virus 2004, 2005 and 2006
* Solutions based on F-Secure Personal Express version 6.20 and
earlier
* F-Secure Anti-Virus for Linux Workstations version 4.52 and
earlier
* F-Secure Anti-Virus for Linux Servers version 4.64 and earlier
* F-Secure Anti-Virus for Linux Gateways version 4.64 and earlier
* F-Secure Anti-Virus for Samba Servers version 4.62
* F-Secure Anti-Virus Linux Client Security 5.11 and earlier
* F-Secure Anti-Virus Linux Server Security 5.11 and earlier
* F-Secure Internet Gatekeeper for Linux 2.14 and earlier

SOLUTION:
Apply patches (see patch matrix in vendor advisory).

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Thierry Zoller.

ORIGINAL ADVISORY:
http://www.f-secure.com/security/fsc-2006-1.shtml

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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