Intrusion Prevention

MS.IE.HTML.Object.Ready.Memory.Corruption

Description

This indicates an attack attempt against a memory-corruption vulnerability in Microsoft Internet Explorer.
The vulnerability is caused by an error when the vulnerable software handles a malicious HTML object. It allows a remote attacker to execute arbitrary code via sending a crafted web page.

Affected Products

Internet Explorer 5.01 Service Pack 4 when installed on Microsoft Windows 2000 Service Pack 4
Internet Explorer 6 Service Pack 1 when installed on Microsoft Windows 2000 Service Pack 4
Internet Explorer 6
Internet Explorer 6 for Windows XP Service Pack 2 and Windows XP Service Pack 3
Internet Explorer 6 for Windows XP Professional x64 Edition Service Pack 2
Internet Explorer 6 for Windows Server 2003 Service Pack 2
Internet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2
Internet Explorer 6 for Windows Server 2003 with SP2 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/ms10-018.mspx

CVE References

CVE-2010-0491