Alert: Microsoft Security Bulletin MS03-043 - Buffer Overrun in Messenger Service Could Allow Code Execution (828035)

From: Russ (Russ.Cooper_at_RC.ON.CA)
Date: 10/21/03

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    Date:         Tue, 21 Oct 2003 17:18:07 -0400
To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM

    Bulletin URL:
    http://www.microsoft.com/technet/security/bulletin/MS03-043.asp

    Summary:
      Version Number: V1.0
      Revision Date: 10-15-2003
      Impact of Vulnerability: Remote Code Execution
      Maximum Severity Rating: Critical
      Patch(es) Replaced: None
      Caveats: None
      CVE Number(s): CAN-2003-0717

    Tested Software:
      Affected Software:
      * Microsoft Windows NT Workstation 4.0, Service Pack 6a
    <http://www.ntbugtraq.com/link/7597FCF4-6615-4074-9E46-A17D808ED38D.asp>
      * Microsoft Windows NT Server 4.0, Service Pack 6a
    <http://www.ntbugtraq.com/link/B1949456-996A-485A-9A28-79FD79F26A1B.asp>
      * Microsoft Windows NT Server 4.0, Terminal Server Edition, Service
    Pack 6
    <http://www.ntbugtraq.com/link/64AB4B66-1A6E-4264-93A8-26CDB98B05A8.asp>
      * Microsoft Windows 2000, Service Pack 2
    <http://www.ntbugtraq.com/link/A0061377-1683-4C13-9527-5534F6C7CF85.asp>
      * Microsoft Windows 2000, Service Pack 3, Service Pack 4
    <http://www.ntbugtraq.com/link/99F1B40D-906A-4945-A021-4B494CCCBDE0.asp>
      * Microsoft Windows XP Gold, Service Pack 1
    <http://www.ntbugtraq.com/link/F02DA309-4B0A-4438-A0B9-5B67414C3833.asp>
      * Microsoft Windows XP 64-bit Edition
    <http://www.ntbugtraq.com/link/2BE95254-4C65-4CA5-80A5-55FDF5AA2296.asp>
      * Microsoft Windows XP 64-bit Edition Version 2003
    <http://www.ntbugtraq.com/link/8B990946-84C8-4C91-899C-5A44EC13174E.asp>
      * Microsoft Windows Server 2003
    <http://www.ntbugtraq.com/link/1DF106F3-7EC4-4EB0-9143-C1E3C9E2F5F8.asp>
      * Microsoft Windows Server 2003 64-bit Edition
    <http://www.ntbugtraq.com/link/8B990946-84C8-4C91-899C-5A44EC13174E.asp>

      Software Not Affected:
      * Microsoft Windows Millennium Edition

    Technical Description:
    A security vulnerability exists in the Messenger Service that could
    allow arbitrary code execution on an affected system. The vulnerability
    results because the Messenger Service does not properly validate the
    length of a message before passing it to the allocated buffer. An
    attacker who successfully exploited this vulnerability could be able to
    run code with Local System privileges on an affected system, or could
    cause the Messenger Service to fail. The attacker could then take any
    action on the system, including installing programs, viewing, changing
    or deleting data, or creating new accounts with full privileges.
    This email is sent to NTBugtraq automatically as a service to my
    subscribers. (v2.0)

    Cheers,
    Russ - Surgeon General of TruSecure Corporation/NTBugtraq Editor

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