Multiple vulnerabilities were identified in Microsoft Internet Explorer, which could be exploited by remote attackers to execute arbitrary commands. These flaws are due to memory corruption errors when instantiating certain COM objects as ActiveX controls, which could be exploited by remote attackers to take complete control of an affected system via a specially crafted Web page.

Affected Products

Microsoft Internet Explorer 5.01 SP4 on Microsoft Windows 2000 SP4
Microsoft Internet Explorer 6 SP1 on Microsoft Windows 2000 SP4
Microsoft Internet Explorer 6 SP1 on Microsoft Windows XP SP1
Microsoft Internet Explorer 6 for Microsoft Windows XP SP2
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003
Microsoft Internet Explorer 6 for Microsoft Windows Server 2003 SP1
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 5.5 SP2 on Microsoft Windows Millennium Edition
Microsoft Internet Explorer 6 SP1 on Microsoft Windows 98, 98 SE, and Millennium

Solution

Apply patches :
http://www.microsoft.com/technet/security/Bulletin/MS05-052.mspx

References

http://www.vupen.com/english/advisories/2005/2049
http://www.vupen.com/english/advisories/2005/1450
http://www.microsoft.com/technet/security/Bulletin/MS05-052.mspx

Credits

Vulnerabilities reported by Will Dormann, FrSIRT, Parvez Anwar and eEye Digital Security.

Changelog

2005-10-11 : Initial release

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