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Highly critical

Microsoft Internet Explorer Drag and Drop Vulnerability

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Release Date:  2004-08-19    Last Update:  2004-10-12    Views:  150,057

Secunia Advisory SA12321

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


http-equiv 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 insufficient validation of drag and drop events issued from the "Internet" zone to local resources. This can be exploited by a malicious website to e.g. plant an arbitrary executable file in a user's startup folder, which will get executed the next time Windows starts up.

http-equiv has posted a PoC (Proof of Concept), which plants a program in the startup directory when a user drags a program masqueraded as an image.

mikx has posted a similar PoC, which plants a program in the startup directory when a user uses the scrollbar.

Andreas Sandblad, Secunia Research, has developed a PoC, which only requires a single click on systems running Windows XP SP1.

This vulnerability is a variant of an issue discovered by Liu Die Yu.
SA9711

The vulnerability has been confirmed on a fully patched system with Internet Explorer 6.0 and Microsoft Windows XP SP1/SP2.

NOTE: The vulnerability is actively being exploited in the wild.


Solution:
Microsoft has issued patches (see vendor advisory or SA12806).

Provided and/or discovered by:
Discovered by:
http-equiv

Another PoC provided by:
mikx

Single Click PoC developed by:
Andreas Sandblad, Secunia Research.

Original Advisory:
Microsoft:
http://www.microsoft.com/technet/security/bulletin/ms04-038.mspx

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: Microsoft Internet Explorer Drag and Drop Vulnerability

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