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Insecure Library Loading
Highly critical

Pakupaku CMS File Upload and Local File Inclusion

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Release Date:  2007-08-30    Last Update:  2007-09-04    Views:  9,016

Secunia Advisory SA26598

Where:

From remote

Impact:

Exposure of system information, Exposure of sensitive information, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


GoLd_M has discovered two vulnerabilities in Pakupaku CMS, which can be exploited by malicious people to disclose sensitive information or to compromise a vulnerable system.

1) The index.php script fails to validate the extension of an uploaded file. This can be exploited to upload files with arbitrary extensions (e.g. ".php") and execute arbitrary PHP code on the server.

2) Input passed to the "page" parameter in index.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources.

Successful exploitation of this vulnerability with arbitrary file extensions requires that "magic_quotes_gpc" is disabled.

The vulnerabilities are confirmed in version 0.4. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly verified. Implement whitelisting functionality that only lets people upload files with certain extensions.

Further details available to Secunia VIM customers

Provided and/or discovered by:
GoLd_M a.k.a. Mahmood_ali

Original Advisory:
http://milw0rm.com/exploits/4341

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: Pakupaku CMS File Upload and Local File Inclusion

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