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NavBoard Local File Inclusion and Cross-Site Scripting
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Secunia Advisory:
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SA31463
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Release Date:
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2008-08-14
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Popularity:
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1,932 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Exposure of system information
Exposure of sensitive information
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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: | NavBoard 16.x
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Description:
CraCkEr has discovered some vulnerabilities in NavBoard, which can be exploited by malicious people to conduct cross-site scripting attacks and disclose sensitive information.
1) Input passed to the "module" parameter in admin_modules.php and modules.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal attacks and URL-encoded NULL bytes.
Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is disabled.
2) Input passed to the "module" parameter in modules.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerabilities are confirmed in version 16 (2.6.0). Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly verified and sanitised.
Provided and/or discovered by:
CraCkEr
Original Advisory:
http://packetstorm.linuxsecurity.com/0808-exploits/navboard-lfixss.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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