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Internet Explorer Image Control Status Bar Spoofing Weakness
Secunia Advisory: SA17565
Release Date: 2005-11-16
Last Update: 2006-02-03
Popularity: 31,810 views

Critical:
Not critical
Impact: Security Bypass
Where: From remote
Solution Status: Unpatched

Software:Microsoft Internet Explorer 6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Claudio "Sverx" has discovered a weakness in Internet Explorer, which can be exploited by malicious people to trick users into visiting a malicious website by obfuscating URLs displayed in the status bar.

The problem is that the browser fails to show the correct URL in the status bar if an image control has been enclosed in a hyperlink and uses a form to specify the destination URL. This may cause a user to follow a link to a seemingly trusted website when in fact the browser opens a malicious website.

This weakness is a variant of:
SA13156

Example:
<form action="[malicious site]">
<a href="[trusted site]"><input type="image" src="[image]"></a>
</form>

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

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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