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TITLE:
Opera "data:" URI Scheme Address Bar Spoofing Vulnerability

SECUNIA ADVISORY ID:
SA26074

VERIFY ADVISORY:
http://secunia.com/advisories/26074/

CRITICAL:
Less critical

IMPACT:
Spoofing

WHERE:
>From remote

SOFTWARE:
Opera 9.x
http://secunia.com/product/10615/

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:
Do not follow links from untrusted web sites.

PROVIDED AND/OR DISCOVERED BY:
Robert Swiecki

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

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