Microsoft Windows Hyperlink Object Library Vulnerabilities - Secunia Advisories - Vulnerability Intelligence

Microsoft Windows Hyperlink Object Library Vulnerabilities
Secunia Advisory:	SA20748	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-06-20
Last Update:	2006-08-14
Popularity:	38,320 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

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-3086 CVE-2006-3438

Description: Two vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system. 1) A boundary error in the Hyperlink Object library (hlink.dll) when handling Hyperlinks in e.g. Excel documents can be exploited to cause a stack-based buffer overflow by tricking a user into clicking a specially crafted Hyperlink in a malicious Excel document. Successful exploitation allows execution of arbitrary code. 2) A boundary error in the Hyperlink Object library when using a file containing a malformed function while handling hyperlinks can be exploited to cause a buffer overflow. Successful exploitation allows execution of arbitrary code. Solution: Apply patches. Windows 2000 SP4: http://www.microsoft.com/downloads/de...=bfe3f869-08be-4f13-97a1-7274ad44c7fb Windows XP SP1/SP2: http://www.microsoft.com/downloads/de...=2d014bac-f03d-474a-a7ab-49e8ead8edb0 Windows XP Professional x64 Edition: http://www.microsoft.com/downloads/de...=cae094e4-64a0-4577-986b-4d6c131806d9 Windows Server 2003 (optionally with SP1): http://www.microsoft.com/downloads/de...=21d1e864-4517-4353-8477-b4cd3c6187c0 Windows Server 2003 for Itanium-based systems (optionally with SP1): http://www.microsoft.com/downloads/de...=bc60b6c3-ada8-48ab-a63d-b2f1c9320b0d Windows Server 2003 x64 Edition: http://www.microsoft.com/downloads/de...=9d2ba5d1-6f91-47b4-8cc1-dcd44baaa6ce Provided and/or discovered by: Discovered independently by: * kcope * Pedram Amini, TippingPoint Security Research Team. 2) The vendor credits Steve Tai, CSC Australia Pty Limited. Changelog: 2006-06-22: Added CVE reference. Added link to US-CERT vulnerability note. Added various Windows versions as vulnerable instead of Office products. 2006-08-08: Added additional information from Microsoft. Updated "Solution" section. 2006-08-09: Added link to US-CERT. Added additional information from TippingPoint. 2006-08-14: Added CVE reference. Original Advisory: MS06-050 (KB920670): http://www.microsoft.com/technet/security/Bulletin/MS06-050.mspx Microsoft: http://blogs.technet.com/msrc/archive/2006/06/20/437826.aspx TippingPoint: http://www.tippingpoint.com/security/advisories/TSRT-06-10.html Other References: US-CERT VU#394444: http://www.kb.cert.org/vuls/id/394444 US-CERT VU#683612: http://www.kb.cert.org/vuls/id/683612

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