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Microsoft Windows NetDDE Buffer Overflow Vulnerability
Secunia Advisory: SA12803
Release Date: 2004-10-12
Last Update: 2005-01-24
Popularity: 15,078 views

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced 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 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

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CVE reference:CVE-2004-0206


Description:
John Heasman has reported a vulnerability in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the NetDDE (Network Dynamic Data Exchange) services within the "NDdeSetTrustedShare()" function. This can be exploited to cause a buffer overflow via specially crafted NetDDE messages.

Successful exploitation allows execution of arbitrary code with SYSTEM privileges.

NOTE: Microsoft Windows XP SP2 is not affected by this vulnerability.

Solution:
Apply patches.

Microsoft Windows NT Server 4.0 (requires SP6a):
http://www.microsoft.com/downloads/de...=A5CA71B6-8A5E-4AA9-B34E-7CE5B304CFAC

Microsoft Windows NT Server 4.0 Terminal Server Edition (requires SP6):
http://www.microsoft.com/downloads/de...=0A584B37-291C-4B63-971E-FB35CC361B13

Microsoft Windows 2000 (requires SP3 or SP4):
http://www.microsoft.com/downloads/de...=80FE311A-B446-43D0-9614-B93112E28294

Microsoft Windows XP (prior to SP2):
http://www.microsoft.com/downloads/de...=C6EB8FB6-6AAE-48BC-9E4F-271F81361AE0

Microsoft Windows XP 64-Bit Edition (requires SP1):
http://www.microsoft.com/downloads/de...=7754DB47-5D9E-4652-8634-ECF7B9D6786C

Microsoft Windows XP 64-Bit Edition Version 2003:
http://www.microsoft.com/downloads/de...=0C73C1B4-0E12-49F9-BAB7-606B07BFF569

Microsoft Windows Server 2003:
http://www.microsoft.com/downloads/de...=01CFA2F4-19B2-4771-8377-FB633C5BF464

Microsoft Windows Server 2003 64-Bit Edition:
http://www.microsoft.com/downloads/de...=0C73C1B4-0E12-49F9-BAB7-606B07BFF569

Provided and/or discovered by:
John Heasman, Next Generation Security Software.

Changelog:
2005-01-24: Added additional information provided by NGSSoftware.

Original Advisory:
MS04-031 (KB841533):
http://www.microsoft.com/technet/security/bulletin/ms04-031.mspx

NGSSoftware:
http://www.nextgenss.com/advisories/netddefull.txt


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