[NT] Dell TrueMobile Wireless Help Privilege Escalation Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 02/26/04

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Date: 26 Feb 2004 10:55:06 +0200

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      Dell TrueMobile Wireless Help Privilege Escalation Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

    Due to a vulnerability in Dell TrueMobile's systray applet, the applet's
    inability to drop SYSTEM privileges when it tries to show the help file, a
    local attacker can gain administrative/SYSTEM privileges.

    DETAILS

    Vulnerable Systems:
     * Windows XP and Dell TrueMobile 1300 WLAN Mini-PCI Card Utility Tray
    Applet version 3.10.39.0

    The SYSTEM rights are not dropped when accessing the Dell TrueMobile
    Wireless Help from the systray applet. By right clicking and choosing Help
    -> Help Files and then from the help; Jump to URL
    C:\WINDOWS\SYSTEM32\CMD.EXE, gives you SYSTEM privileges. You can also
    gain SYSTEM privileges by right clicking and choosing Help -> About. By
    clicking on a link, Internet Explorer will start with SYSTEM privileges.
    Programs started from the web browser do not get their privileges dropped.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:ian.vitek@sigtrap.org> Ian
    Vitek.

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