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Internet Explorer Charset Inheritance Cross-Site Scripting Vulnerability
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Secunia Advisory:
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SA24314
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Release Date:
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2007-02-26
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Last Update:
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2007-03-02
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Popularity:
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12,276 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Microsoft Internet Explorer 7.x
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| CVE reference: | CVE-2007-0995
CVE-2007-1114
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Description:
Stefan Esser has discovered a vulnerability in Internet Explorer, which can be exploited by malicious people to conduct cross-site scripting attacks.
The vulnerability exist because pages that don't specify a charset inherit the charset of the parent page. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of certain sites that are included e.g. via iframes in a malicious page that uses UTF-7 as charset.
Successful exploitation requires that the user is tricked into visiting a malicious web site.
The vulnerability is confirmed in Internet Explorer 7 on a fully patched Windows XP. Other versions may also be affected.
Solution:
Do not browse untrusted sites.
Provided and/or discovered by:
Stefan Esser
Changelog:
2007-03-02: Added CVE reference.
Original Advisory:
http://www.hardened-php.net/advisory_032007.142.html
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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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