MS07-020 - Vulnerability in Microsoft Agent Could Allow Remote Code Execution (PC1-2007-0288)

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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2007.0043 -- AUSCERT ALERT
                                   [Win]
          MS07-020 - Vulnerability in Microsoft Agent Could Allow
                           Remote Code Execution
                               11 April 2007

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        AusCERT Alert Summary
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Product:              Microsoft Windows 2000 SP4 and prior
                      Microsoft Windows XP SP2 and prior
                      Microsoft Windows Server 2003 SP2 and prior
Publisher:            Microsoft
Operating System:     Windows
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-1205

Original Bulletin:    
  http://www.microsoft.com/technet/security/bulletin/ms07-020.mspx

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MS07-020 - Vulnerability in Microsoft Agent Could Allow Remote Code 
           Execution (932168)

Affected Software:
   -Microsoft Windows 2000 Service Pack 4
   -Microsoft Windows XP Service Pack 2
   -Microsoft Windows XP Professional x64 Edition and 
    Microsoft Windows XP Professional x64 Edition Service Pack 2
   -Microsoft Windows Server 2003 and 
    Microsoft Windows Server 2003 Service Pack 1 and 
    Microsoft Server 2003 Service Pack 2
   -Microsoft Windows Server 2003 x64 Edition with Service Pack 1 and 
    Microsoft Windows Server 2003 x64 Edition with Service Pack 2
   -Microsoft Windows Server 2003 for Itanium-based Systems, 
    Microsoft Windows Server 2003 with SP1 for Itanium-based Systems, and 
    Microsoft Windows Server 2003 with SP2 for Itanium-based Systems

Non-Affected Software:
   -Windows Vista
   -Windows Vista x64 Edition

Full MS07-020 advisory:
   http://www.microsoft.com/technet/security/bulletin/ms07-020.mspx


Vulnerability Details

Microsoft Agent URL Parsing Vulnerability 
Could Allow Remote Code Execution - CVE-2007-1205

    Microsoft Agent is a component that uses interactive animated characters
    to guide users and can make using and learning to use a computer easier.

    A remote code execution vulnerability exists in Microsoft Agent in
    the way that it handles certain specially crafted URLs. An attacker
    who successfully exploited this vulnerability could take complete
    control of an affected system. An attacker could then install programs;
    view, change, or delete data; or create new accounts with full user rights.

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Australian Computer Emergency Response Team
The University of Queensland
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