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Microsoft Windows Agent ActiveX Control Buffer Overflow
Secunia Advisory: SA22878
Release Date: 2006-11-14
Last Update: 2007-01-30
Popularity: 15,901 views

Critical:
Highly critical
Impact: System access
Where: From remote
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 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

Binary Analysis: BA12 :: Available for 1 Credit

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CVE reference:CVE-2006-3445


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

The vulnerability is caused due to an integer overflow error in the Microsoft Agent ActiveX control when processing .ACF files. This can be exploited to cause a heap-based buffer overflow via a specially crafted .ACF file.

Successful exploitation allows execution of arbitrary code when e.g. a malicious website is visited using Internet Explorer.

Solution:
Apply patches.

Microsoft Windows 2000 SP4:
http://www.microsoft.com/downloads/de...=c72ceec8-3e4d-4281-8183-11b724693217

Microsoft Windows XP SP2:
http://www.microsoft.com/downloads/de...=c16e1607-f396-4113-89f6-1fe89ec54b6a

Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=b4002a2a-b03e-4428-a26a-84293270d149

Microsoft Windows Server 2003 (optionally with SP1):
http://www.microsoft.com/downloads/de...=8f1a3f85-830b-4662-a4cc-8dff9f59acea

Microsoft Windows Server 2003 for Itanium-based systems (optionally with SP1):
http://www.microsoft.com/downloads/de...=b528f61d-ad54-4bad-b9a0-b650385de216

Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=3da7ff4a-2389-4ce4-a6bb-b7e02f646b74

Provided and/or discovered by:
Willow, COSEINC Vulnerability Research Lab

Changelog:
2006-11-15: Added US-CERT reference.
2007-01-30: Added additional information from COSEINC.

Original Advisory:
MS06-068 (KB920213):
http://www.microsoft.com/technet/security/Bulletin/MS06-068.mspx

COSEINC Vulnerability Research Lab:
http://www.coseinc.com/alert.html

Other References:
US-CERT VU#810772:
http://www.kb.cert.org/vuls/id/810772


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