[NEWS] F-Secure Multiple Products ARJ Archive Handling Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 02/15/05

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Date: 15 Feb 2005 14:10:41 +0200

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      F-Secure Multiple Products ARJ Archive Handling Vulnerability
    ------------------------------------------------------------------------

    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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