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Category:   OS (Microsoft)  >   Microsoft Distributed Transaction Coordinator Vendors:   Microsoft
Microsoft Distributed Transaction Coordinator Bugs Let Remote Users Deny Service
SecurityTracker Alert ID:  1016047
SecurityTracker URL:  http://securitytracker.com/id/1016047
CVE Reference:   CVE-2006-0034, CVE-2006-1184   (Links to External Site)
Date:  May 9 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2000 SP4, XP SP2, 2003; and prior service packs
Description:   A vulnerability was reported in the Microsoft Distributed Transaction Coordinator (MSDTC). A remote user can execute arbitrary code on the target system.

A remote user can send a specially crafted network message to the target system to trigger a buffer overflow or a memory access error and cause the MSDTC to stop responding.

On Windows 2000, the MSDTC service is enabled by default.

Microsoft credits eEye Digital Security, Xiao Chen of McAfee, and Kai Zhang of VenusTech with reporting this vulnerability.

Impact:   A remote user can cause the MSDTC on the target system to stop responding.
Solution:   The vendor has issued the following fixes:

Microsoft Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=8B98F380-0E5C-4B80-9710-95E1B35AFD83

Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyId=D80B43B2-727B-46B6-82D1-F2CBD916FE32

Microsoft Windows Server 2003:

http://www.microsoft.com/downloads/details.aspx?FamilyId=E70515C7-8924-46DA-8573-457957EEA0D7

Microsoft Windows Server 2003 for Itanium-based Systems:

http://www.microsoft.com/downloads/details.aspx?FamilyId=7BD81335-79EA-46CE-8D3C-0AA91EEFFF02

A restart may be required.

This fix replaces MS05-051 for Windows 2000.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms06-018.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms06-018.mspx (Links to External Site)
Cause:   Access control error, Boundary error

Message History:   None.


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