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F-Secure Multiple Products ARJ Archive Handling Vulnerability
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SUMMARY
The F-Secure AntiVirus Library is "widely relied upon to provide AntiVirus
capabilities to desktop, server, and gateway systems".
ISS X-Force has reported a vulnerability in multiple F-Secure products,
which can be exploited by malicious people to compromise a vulnerable
system by crafting an archive file, an attacker is able to trigger a heap
overflow within the process importing the F-Secure AntiVirus Library.
DETAILS
Vulnerable Systems:
* F-Secure Anti-Virus for Workstation version 5.43 and earlier
* F-Secure Anti-Virus for Windows Servers version 5.50 and earlier
* F-Secure Anti-Virus for Citrix Servers version 5.50
* F-Secure Anti-Virus for MIMEsweeper version 5.51 and earlier
* F-Secure Anti-Virus Client Security version 5.55 and earlier
* F-Secure Anti-Virus for MS Exchange version 6.31 and earlier
* F-Secure Internet Gatekeeper version 6.41 and earlier
* F-Secure Anti-Virus for Firewalls version 6.20 and earlier
* F-Secure Internet Security 2004 and 2005
* F-Secure Anti-Virus 2004 and 2005
* Solutions based on F-Secure Personal Express version 5.10 and earlier
* F-Secure Anti-Virus for Linux Workstations version 4.52 and earlier
* F-Secure Anti-Virus for Linux Servers version 4.61 and earlier
* F-Secure Anti-Virus for Linux Gateways version 4.61 and earlier
* F-Secure Anti-Virus for Samba Servers version 4.60
* F-Secure Anti-Virus Linux Client Security 5.01 and earlier
* F-Secure Anti-Virus Linux Server Security 5.01 and earlier
* F-Secure Internet Gatekeeper for Linux 2.06
Description:
The vulnerability is caused due to a boundary error in the AntiVirus
scanning functionality when processing ARJ archives. This can be exploited
to cause a buffer overflow via a specially crafted ARJ archive.
Successful exploitation allows execution of arbitrary code, but requires
that the malicious ARJ archive is scanned with archive scanning enabled.
Solution:
Apply patches listed in F-Secure's advisory:
<http://www.f-secure.com/security/fsc-2005-1.shtml>
http://www.f-secure.com/security/fsc-2005-1.shtml.
ADDITIONAL INFORMATION
The information has been provided by <mailto:papp_geza1@axelero.hu> Geza
Papp dr (Axelero).
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