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Opera Image Control Status Bar Spoofing Weakness
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Secunia Advisory:
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SA17571
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Release Date:
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2005-11-16
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Last Update:
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2006-02-17
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Popularity:
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29,301 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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Vendor Patch
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| Software: | Opera 8.x
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| CVE reference: | CVE-2005-3699
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Description:
Claudio "Sverx" has discovered a weakness in Opera, 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 with a "title" attribute 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 related to:
SA17565
Example:
<form action="[malicious site]">
<a href="[trusted site]"><input type="image" src="[image]" title="[trusted site]"></a>
</form>
The weakness has been confirmed in version 8.5. Other versions may also be affected.
Solution:
Update to version 8.52.
Provided and/or discovered by:
Claudio "Sverx"
Changelog:
2005-11-23: Added link to original advisory.
2005-12-07: Added CVE reference.
2005-02-17: Updated "Solution" section.
Original Advisory:
Opera Software:
http://www.opera.com/support/search/supsearch.dml?index=819
http://www.opera.com/docs/changelogs/linux/852/
Other References:
SA17565:
http://secunia.com/advisories/17565/
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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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