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Internet Explorer Image Control Status Bar Spoofing Weakness
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Secunia Advisory:
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SA17565
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Release Date:
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2005-11-16
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Last Update:
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2006-02-03
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Popularity:
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28,833 views
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Critical:
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 Not critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Microsoft Internet Explorer 6.x
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| CVE reference: | CVE-2005-4679
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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.
Solution: Do not follow links from untrusted sources.
Provided and/or discovered by: Claudio "Sverx"
Other References: SA13156:
http://secunia.com/advisories/13156/
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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