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ASPScriptz Guest Book "submit.asp" Script Insertion Vulnerabilities
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Secunia Advisory:
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SA20416
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Release Date:
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2006-06-06
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Last Update:
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2006-06-08
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Popularity:
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7,039 views
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Critical:
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Moderately 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: | ASPScriptz Guest Book 2.x
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| CVE reference: | CVE-2006-2882
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Description:
omnipresent has discovered some vulnerabilities in ASPScriptz Guest Book, which can be exploited by malicious people to conduct script insertion attacks.
Input passed to the "GBOOK_UNAME", "GBOOK_EMAIL", "GBOOK_CITY", "GBOOK_COU", "GBOOK_WWW", and "GBOOK_MESS" form field parameters in submit.asp is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when a malicious entry is viewed.
NOTE: The "GBOOK_MESS" parameter can be exploited via a "img" bbcode tag with a "javascript:" URI handler when viewed with the Microsoft Internet Explorer browser.
The vulnerabilities have been confirmed in version 2.0. Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly sanitised.
Provided and/or discovered by:
omnipresent
Changelog:
2006-06-07: Updated "Description" section.
2006-06-08: Added CVE reference.
Original Advisory:
http://colander.altervista.org/advisory/ASzGB.txt
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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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