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Opera "data:" URI Scheme Address Bar Spoofing Vulnerability
Secunia Advisory: SA26074
Release Date: 2007-07-16
Last Update: 2007-07-19
Popularity: 11,853 views

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

Software:Opera 9.x

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CVE reference:CVE-2007-3819


Description:
Robert Swiecki has discovered a vulnerability in Opera, which can be exploited by malicious people to conduct spoofing attacks.

The vulnerability is caused due to an error in the handling of the "data:" URI scheme. This can be exploited to display arbitrary content while showing the URL of a trusted web site in the address bar when a user follows a specially crafted link.

The vulnerability is confirmed in version 9.21. Other versions may also be affected.

Solution:
Update to version 9.22.

Provided and/or discovered by:
Robert Swiecki

Changelog:
2007-07-19: Added CVE reference. Updated "Solution" section.

Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-July/064638.html


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