Microsoft Distributed Transaction Coordinator Two Vulnerabilities - Secunia Advisories - Vulnerability Information

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Microsoft Distributed Transaction Coordinator Two Vulnerabilities

Secunia Advisory:

SA20000

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Release Date:

2006-05-09

Last Update:

2006-05-11

Popularity:

37,085 views

Critical:

Moderately critical

Impact:

DoS
System access

Where:

From local network

Solution Status:

Vendor Patch

OS:

Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows NT 4.0 Server
Microsoft Windows NT 4.0 Server, Terminal Server Edition
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Secunia CVSS-2 Score:

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Advisory Content (Page 1 of 3)

[ 1 ] [ 2 ] [ 3 ]

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Description:
Two vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

1) An out-of-bounds memory access error in the MSDTC (Microsoft Distributed Transaction Coordinator) can be exploited via a specially crafted BuildContextW request with a large UuidString or GuidIn string.

Successful exploitation causes the MSDTC component and dependent services to stop responding.

This vulnerability is related to vulnerability #1 in:
SA17161

2) A boundary error in the "CRpcIoManagerServer::BuildContext()" function in msdtcprx.dll within MSDTC can be exploited to cause a heap-based buffer overflow. According to the vendor, this causes the MSDTC component and dependent services to stop responding when receiving a specially crafted network message.

According to eEye Digital Security, this vulnerability can be exploited to execute arbitrary code on a vulnerable system.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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