[NT] Novell GroupWise Plain Text Password Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 06/23/05

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Date: 23 Jun 2005 13:20:25 +0200

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      Novell GroupWise Plain Text Password Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.novell.com/products/groupwise/> GroupWise is "a workgroup
    application suite offering electronic mail and diary scheduling from
    Novell, Inc. It can operate on a number of server and workstation
    platforms. Server platforms include NetWare, Linux, and Windows, while the
    client software can run on Windows or Linux".

    A vulnerability exists in the Novell GroupWise Windows client that allows
    an attacker to retrieve the username and password used by the GroupWise
    client.

    DETAILS

    Vulnerable Systems:
     * Novell GroupWise Windows Client version 6.5.2, 6.0 and 5.5

    The username and password can be dumped out of memory for the process
    grpWise.exe while GroupWise is running. Using a tool such a pmdump to dump
    the memory of the process the username and password are clearly visible in
    plain text. This can be exploited remotely as well, by using pmdump with
    something like psexe from Sysinternals.

    Disclosure Timeline:
     * 3.30.05 - Contacted Vendor
     * 4.11.05 - Vendor duplicated problem
     * 5.11.05 - Vendor released a patch
     * 5.17.05 - Contacted Vendor and told them the patch did not work
     * 5.20.05 - Vendor agreed patch does not fix the problem
     * 6.20.05 - Have not heard from vendor in a month, so releasing this
    information

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:Securityteam@truedson.com>
    Securityteam, truedson.com.

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