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>> Microsoft Internet Explorer HTML Help Control "HHCtrl" Memory Corruption Vulnerability

Title : Microsoft Internet Explorer HTML Help Control "HHCtrl" Memory Corruption Vulnerability
VUPEN ID : VUPEN/ADV-2006-2635
CVE ID : CVE-2006-3357
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-07-03


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Microsoft Internet Explorer, which could be exploited by remote attackers to crash a vulnerable browser or potentially take complete control of an affected system. This flaw is due to a memory corruption error in the HTML Help Control "HHCtrl.ocx" when processing a specially crafted "Image" property, which could be exploited by attackers to cause a denial of service or execute arbitrary commands by convincing a user to visit a specially crafted Web page.

Affected Products

Microsoft Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4
Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4
Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows XP Service Pack 1
Microsoft Internet Explorer 6 for Microsoft Windows XP Service Pack 2
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003 Service Pack 1
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003 (Itanium)
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003 with SP1 (Itanium)
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003 x64 Edition
Microsoft Internet Explorer 6 for Microsoft Windows XP Professional x64 Edition
Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows 98
Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows 98 SE
Microsoft Internet Explorer 6 Service Pack 1 on Microsoft Windows Millennium Edition

Solution

Apply patches :
http://www.microsoft.com/technet/security/Bulletin/MS06-046.mspx

References

http://www.vupen.com/english/advisories/2006/2635
http://browserfun.blogspot.com/2006/07/mobb-2-internethhctrl-image-property.html

Credits

Vulnerability reported by H.D.Moore

ChangeLog

2006-07-03 : Initial release
2006-08-08 : Updated Solution

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