MS05-051 -- Vulnerabilities in MSDTC and COM+ Could Allow Remote Code Execution (PC1-2005-1051)

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

                       AL-2005.0032 -- AUSCERT ALERT
                                 MS05-051
    Vulnerabilities in MSDTC and COM+ Could Allow Remote Code Execution
                              12 October 2005

===========================================================================

        AusCERT Alert Summary
        ---------------------

Product:           Microsoft Windows 2000 SP 4 and prior
                   Microsoft Windows XP SP2 and prior
                   Microsoft Windows XP Professional x64 Edition
                   Microsoft Windows Server 2003 SP1 and prior
                   Microsoft Windows Server 2003 x64 Edition
Publisher:         Microsoft
Operating System:  Windows
Impact:            Administrator Compromise
                   Execute Arbitrary Code/Commands
                   Denial of Service
Access:            Remote/Unauthenticated
CVE Names:         CAN-2005-2119 CAN-2005-1978 CAN-2005-1979

Original Bulletin: http://www.microsoft.com/technet/security/bulletin/MS05-051.mspx

- --------------------------BEGIN INCLUDED TEXT--------------------

MS05-051 - Vulnerabilities in MSDTC and COM+ Could Allow Remote
           Code Execution (902400)

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

    - Impact: Remote Code Execution
    - Version Number: 1.0  


Full MS05-051 advisory:
http://www.microsoft.com/technet/security/bulletin/MS05-051.mspx

Vulnerability Details:

	
MSDTC Vulnerability - CAN-2005-2119:

A remote code execution and local elevation of privilege vulnerability exists 
in the Microsoft Distributed Transaction Coordinator that could allow an 
attacker who successfully exploited this vulnerability to take complete 
control of the affected system.

More details are provided in the following eEye advisory:
http://www.eeye.com/html/research/advisories/AD20051011b.html


COM+ Vulnerability - CAN-2005-1978:

A remote code execution and local elevation of privilege vulnerability exists 
in COM+ that could allow an attacker who successfully exploited this 
vulnerability to take complete control of the affected system.


TIP Vulnerability - CAN-2005-1979:

A denial of service vulnerability exists that could allow an attacker to 
send a specially crafted network message to an affected system. An attacker 
could cause the Distributed Transaction Coordinator to stop responding.

More details are provided in the following iDefense advisories:
http://www.idefense.com/application/poi/display?id=319&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=320&type=vulnerabilities


- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================