[VulnWatch] Secunia Research: My Firewall Plus Privilege Escalation Vulnerability

From: Carsten H. Eiram (che_at_secunia.com)
Date: 12/21/04

  • Next message: Carsten H. Eiram: "[VulnWatch] Secunia Research: Spy Sweeper Enterprise Client Privilege Escalation" 
    To: VulnWatch <vulnwatch@vulnwatch.org>
Date: Tue, 21 Dec 2004 10:37:37 +0100

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                         Secunia Research 21/12/2004

         - My Firewall Plus Privilege Escalation Vulnerability -

    ======================================================================
    Table of Contents

    Affected Software....................................................1
    Severity.............................................................2
    Vendor's Description of Software.....................................3
    Description of Vulnerability.........................................4
    Solution.............................................................5
    Time Table...........................................................6
    Credits..............................................................7
    References...........................................................8
    About Secunia........................................................9
    Verification........................................................10

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    1) Affected Software

    My Firewall Plus 5.0 (build 1117)

    NOTE: Other versions may also be affected.

    ======================================================================
    2) Severity

    Rating: Less Critical
    Impact: Privilege Escalation
    Where: Local System

    ======================================================================
    3) Vendor's Description of Software

    My Firewall Plus:
    "Corporate strength firewall for your personal PC".

    Product Link:
    http://www.webroot.com/products/myfirewallplus/

    ======================================================================
    4) Description of Vulnerability

    Secunia Research has discovered a vulnerability in My Firewall Plus,
    which can be exploited by malicious, local users to gain escalated
    privileges.

    The vulnerability is caused due to the "Smc.exe" process invoking the
    help functionality with SYSTEM privileges.

    This can be exploited to execute arbitrary programs on a system with
    escalated privileges.

    ======================================================================
    5) Solution

    Apply patch:
    http://www.webroot.com/services/MFP_Patch.exe

    ======================================================================
    6) Time Table

    15/11/2004 - Vulnerability discovered.
    15/11/2004 - Vendor notified.
    15/11/2004 - Vendor response.
    16/12/2004 - Vendor issues patch.
    21/12/2004 - Public disclosure.

    ======================================================================
    7) Credits

    Discovered by Carsten Eiram, Secunia Research.

    ======================================================================
    8) References

    The Common Vulnerabilities and Exposures (CVE) project has not
    currently assigned the vulnerability a candidate number.

    ======================================================================
    9) About Secunia

    Secunia collects, validates, assesses, and writes advisories
    regarding all the latest software vulnerabilities disclosed to the
    public. These advisories are gathered in a publicly available
    database at the Secunia website:

    http://secunia.com/

    Secunia offers services to our customers enabling them to receive
    all relevant vulnerability information to their specific system
    configuration.

    Secunia offers a FREE mailing list called Secunia Security
    Advisories:

    http://secunia.com/secunia_security_advisories/

    ======================================================================
    10) Verification

    Please verify this advisory by visiting the Secunia website:
    http://secunia.com/secunia_research/2004-16/
    ======================================================================

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