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TITLE:
Opera Dialog Origin Spoofing Vulnerability

SECUNIA ADVISORY ID:
SA15488

VERIFY ADVISORY:
http://secunia.com/advisories/15488/

CRITICAL:
Less critical

IMPACT:
Spoofing

WHERE:
>From remote

SOFTWARE:
Opera 8.x
http://secunia.com/product/4932/
Opera 7.x
http://secunia.com/product/761/

DESCRIPTION:
Secunia Research has discovered a vulnerability in Opera, which can
be exploited by malicious web sites to spoof dialog boxes.

The problem is that JavaScript dialog boxes do not display or include
their origin, which allows a new window to open e.g. a prompt dialog
box, which appears to be from a trusted site.

Successful exploitation normally requires that a user is tricked into
opening a link from a malicious web site to a trusted web site.

Secunia has constructed a test, which can be used to check if your
browser is affected by this issue:
http://secunia.com/multiple_browsers_dialog_origin_vulnerability_test/

The vulnerability has been confirmed in version 8.0. Prior versions
may also be affected.

SOLUTION:
Update to version 8.01.
http://www.opera.com/download/

PROVIDED AND/OR DISCOVERED BY:
Jakob Balle, Secunia Research.

ORIGINAL ADVISORY:
http://secunia.com/secunia_research/2005-8/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
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