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Internet Explorer Window Loading Race Condition Vulnerability
Secunia Advisory: SA19521
Release Date: 2006-04-04
Last Update: 2006-06-13
Popularity: 122,555 views

Critical:
Moderately critical
Impact: Spoofing
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 6.x

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CVE reference:CVE-2006-1626


Description:
Hai Nam Luke has discovered a vulnerability in Internet Explorer, which can be exploited by malicious people to conduct phishing attacks.

The vulnerability is caused due to a race condition in the loading of web content and Macromedia Flash Format files (".swf") in browser windows. This can be exploited to spoof the address bar in a browser window showing web content from a malicious web site.

Secunia has constructed a test, which can be used to check if your browser is affected by this issue:
http://secunia.com/Internet_Explorer_Address_Bar_Spoofing_Vulnerability_Test/

Solution:
Apply patches (see SA19762).

Provided and/or discovered by:
Hai Nam Luke

Changelog:
2006-04-05: Hai Nam Luke provided additional information. Updated "Description" section and increased criticality.
2006-04-06: Added CVE reference. Added information about Internet Explorer 7 Beta 2 Preview being affected.
2006-06-13: Updated advisory based on information from Microsoft.

Other References:
SA19762:
http://secunia.com/advisories/19762/


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