SEC Consult has discovered a vulnerability in Microsoft Internet Explorer, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to the JView Profiler (javaprxy.dll) COM object being instantiated incorrectly in Internet Explorer via the object tag. This can be exploited via a malicious web site to cause a memory corruption.
Successful exploitation allows execution of arbitrary code, but requires that the file "javaprxy.dll" exists on the system.
NOTE: "javaprxy.dll" is included with Microsoft Java Virtual Machine. Exploit code is publicly available.
The vulnerability has been confirmed on a fully patched system with Internet Explorer 6.0, Microsoft VM (virtual machine) build 3802 and Microsoft Windows XP SP2. Internet Explorer 5.01 and 5.5 is reportedly also affected.
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Subject: Internet Explorer "javaprxy.dll" Memory Corruption Vulnerability
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