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Extremely critical

Internet Explorer "javaprxy.dll" Memory Corruption Vulnerability

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Release Date:  2005-07-01    Last Update:  2005-11-21    Views:  62,418

Secunia Advisory SA15891

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


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.


Solution:
Apply patches:

Further details available to Secunia VIM customers

Provided and/or discovered by:
sk0L and Martin Eiszner, SEC Consult.

Original Advisory:
MS05-037 (903235):
http://www.microsoft.com/technet/security/Bulletin/MS05-037.mspx

Microsoft:
http://www.microsoft.com/technet/security/advisory/903144.mspx

SEC Consult:
http://www.sec-consult.com/184.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Internet Explorer "javaprxy.dll" Memory Corruption Vulnerability

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