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Insecure Library Loading
Moderately critical

PostNuke Multiple Vulnerabilities

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Release Date:  2005-05-23    Last Update:  2006-02-21    Views:  10,426

Secunia Advisory SA15450

Where:

From remote

Impact:

Cross Site Scripting, Manipulation of data, Exposure of sensitive information

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Maksymilian Arciemowicz has reported some vulnerabilities in PostNuke, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, and disclose sensitive information.

1) Input passed to the "module" and "riga[0]" parameters in "index.php" and the "start" parameter in "modules.php" isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

NOTE: Exploitation of the "riga[0]" parameter requires administrative privileges.

2) Input passed to the "skin" parameter in "index.php" isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.

Example:
http://[host]/source/html/index.php?module=Xanthia&type=admin&func=addTheme&authid=&skin=[file]%00

3) Input passed to the "skin" and "paletteid" parameters in "demo.php" and the "serverName" parameter in "config.php" isn't 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 a vulnerable site.

It is also possible to disclose the full path to certain scripts by accessing them directly.

The vulnerabilities have been reported in version 0.750 and 0.760RC3, and prior.


Solution:
Update to version 0.750b.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Maksymilian Arciemowicz

Additional information provided by:
sp3x

Original Advisory:
http://news.postnuke.com/Article2691.html

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: PostNuke Multiple Vulnerabilities

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