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Insecure Library Loading
Moderately critical

NavBoard Local File Inclusion and Cross-Site Scripting

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Release Date:  2008-08-14    Last Update:  2009-01-28    Views:  5,163

Secunia Advisory SA31463

Where:

From remote

Impact:

Cross Site Scripting, Exposure of system information, Exposure of sensitive information

Solution Status:

Unpatched

Software:

CVE Reference(s):

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: NavBoard Local File Inclusion and Cross-Site Scripting

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