Intrusion Prevention

MS.IE.DOM.SubstringData.Buffer.Overflow

Description

This indicates an attack attempt against a heap-overrun vulnerability in Microsoft Internet Explorer.
The vulnerability is caused by an error when the vulnerable software handles a web page that contains certain unexpected method calls to HTML objects. It allows a remote attacker to execute arbitrary code by sending a specially crafted web page.

Affected Products

Internet Explorer 6 SP1 when installed on Microsoft Windows 2000 SP4
Internet Explorer 6 for Windows XP SP2 and SP3
Internet Explorer 6 for Windows XP Professional x64 Edition and SP2
Internet Explorer 6 for Windows Server 2003 SP1 and SP2
Internet Explorer 6 for Windows Server 2003 x64 Edition and SP2
Internet Explorer 6 for Windows Server 2003 with SP1 for Itanium-based Systems and SP2
Internet Explorer 7 for Windows XP SP2 and SP3
Internet Explorer 7 for Windows XP Professional x64 Edition and SP2
Internet Explorer 7 for Windows Server 2003 SP1 and SP2
Internet Explorer 7 for Windows Server 2003 x64 Edition and SP2
Internet Explorer 7 for Windows Server 2003 with SP1 for Itanium-based Systems and SP2
Internet Explorer 7 in Windows Vista and Internet Explorer 7 in Windows Vista SP1
Internet Explorer 7 in Windows Vista x64 Edition and SP1
Internet Explorer 7 in Windows Server 2008 for 32-bit Systems
Internet Explorer 7 in Windows Server 2008 for x64-based Systems
Internet Explorer 7 in Windows Server 2008 for Itanium-based Systems

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Refer to the vendor's web site for the suggested workaround:
http://www.microsoft.com/technet/security/Bulletin/ms08-031.mspx

CVE References

CVE-2008-1442