Signature Detail

HTTP: Microsoft Internet Explorer DOM mergeAttributes Memory Corruption

This signature detects attempts to exploit a known memory corruption vulnerability in Microsoft Internet Explorer. It is due to insufficient input validation in the DOM mergeAttributes script method. A remote attacker can exploit this by enticing a target user to open a maliciously crafted HTML document. A successful attack can result in arbitrary code execution with privileges of the targeted user.

Extended Description

Microsoft Internet Explorer is prone to a remote code-execution vulnerability. Attackers can exploit this issue to execute arbitrary code in the context of the user running the application. Successful exploits will compromise the application and possibly the computer. Failed attacks may cause denial-of-service conditions.

Affected Products

• Avaya Meeting Exchange - Client Registration Server
• Avaya Meeting Exchange - Recording Server
• Avaya Meeting Exchange - Streaming Server
• Avaya Meeting Exchange - Web Conferencing Server
• Avaya Meeting Exchange - Webportal
• Avaya Messaging Application Server MM 1.1
• Avaya Messaging Application Server MM 2.0
• Avaya Messaging Application Server MM 3.0
• Avaya Messaging Application Server MM 3.1
• Avaya Messaging Application Server
• Microsoft Internet Explorer 5.0.1
• Microsoft Internet Explorer 5.0.1 For Windows 2000
• Microsoft Internet Explorer 5.0.1 SP1
• Microsoft Internet Explorer 5.0.1 SP2
• Microsoft Internet Explorer 5.0.1 SP3
• Microsoft Internet Explorer 5.0.1 SP4
• Microsoft Internet Explorer 6.0
• Microsoft Internet Explorer 6.0 SP1
• Nortel Networks CallPilot 1005R
• Nortel Networks CallPilot 201I
• Nortel Networks CallPilot 202I
• Nortel Networks CallPilot 600R
• Nortel Networks CallPilot 703T
• Nortel Networks Contact Center Administration CCMA 6.0
• Nortel Networks Contact Center Administration CCMA 7.0
• Nortel Networks Contact Center Express
• Nortel Networks Contact Center Multimedia & Outbound 6.0
• Nortel Networks Contact Center Multimedia & Outbound 7.0
• Nortel Networks Media Processing Server
• Nortel Networks Media Processing Svr 100
• Nortel Networks Media Processing Svr 1000 Rel 3.0
• Nortel Networks Media Processing Svr 500 Rel 3.0
• Nortel Networks Self Service - CDD
• Nortel Networks Self-Service Media Processing Server
• Nortel Networks Self-Service Peri Application
• Nortel Networks Self-Service Peri CTI
• Nortel Networks Self-Service Peri Workstation
• Nortel Networks Self-Service Speech Server

References

• BugTraq: 47190
• BugTraq: 37893
• CVE: CVE-2011-0094
• CVE: CVE-2010-0247