[NT] ZipGenius Multiple Buffer Overflow (Long Filename in ZIP, ACE)

From: SecuriTeam (support_at_securiteam.com)
Date: 10/26/05

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Date: 26 Oct 2005 19:28:42 +0200

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      ZipGenius Multiple Buffer Overflow (Long Filename in ZIP, ACE)
    ------------------------------------------------------------------------

    SUMMARY

    " <http://www.zipgenius.it/> ZipGenius is a file compression suite that
    supports more than 20 formats of compressed archives including RAR, ARJ,
    ACE, CAB, SQX and ZIP. It's free and easy to use."

    ZipGenius does not perform proper length validation for the file names
    inside a compressed ZIP and ACE files. This allow attackers to execute
    arbitrary code using malicious archive files.

    DETAILS

    Vulnerable Systems:
     * ZipGenius version 5.5.1.468
     * ZipGenius version 6.0.2.1041

    Immune Systems:
     * ZipGenius version 6.0.2.1050

    ZipGenius does not properly validate the length of file names on
    "zipgenius.exe", "zg.exe", "zgtips.dll", "contmenu.dll", "unacev2.dll" and
    UUE/XXE/MIM based encoding allowing attackers to place malicious ZIP and
    ACE archives, This vulnerabilities allow attackers to execute arbitrary
    code by rewriting the stack order.

    Disclosure Timeline:
    04/10/2005 - Initial vendor notification.
    05/10/2005 - Initial vendor reply.
    20/10/2005 - Vendor released fixed version.
    21/10/2005 - Public disclosure.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:vuln@secunia.com> Secunia
    Research .
    The original article can be found at:
    <http://secunia.com/advisories/17061/>
    http://secunia.com/advisories/17061/

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