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Opera IDN Spoofing Security Issue
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Secunia Advisory:
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SA14154
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Release Date:
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2005-02-07
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Last Update:
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2005-03-02
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Popularity:
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29,090 views
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Critical:
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Moderately critical
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Impact:
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Spoofing
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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 7.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Eric Johanson has reported a security issue in Opera, which can be exploited by a malicious web site to spoof the URL displayed in the address bar, SSL certificate, and status bar.
The problem is caused due to an unintended result of the IDN (International Domain Name) implementation, which allows using international characters in domain names.
This can be exploited by registering domain names with certain international characters that resembles other commonly used characters, thereby causing the user to believe they are on a trusted 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_idn_spoofing_test/
The issue has been confirmed in Opera versions 7.54u1 and 7.54u2. Other versions may also be affected.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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