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Insecure Library Loading
Moderately critical

FD Script "fname" Arbitrary File Download Vulnerability

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Release Date:  2007-01-29    Last Update:  2007-02-01    Views:  7,963

Secunia Advisory SA23947

Where:

From remote

Impact:

Exposure of sensitive information

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


ajann has discovered a vulnerability in FD Script, which can be exploited by malicious people to gain knowledge of sensitive information.

The vulnerability is caused due to an input validation error in download.php when processing arguments passed to the "fname" parameter. This can be exploited to download files that are configured as non-downloadable (e.g. .PHP, .HTM, .HTML, etc...) within the FD Script directory and subdirectories by prepending the target file name with "./".

The vulnerability is confirmed in version 1.3.2. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly validated.

Further details available to Secunia VIM customers

Provided and/or discovered by:
ajann

Original Advisory:
http://archives.neohapsis.com/archives/bugtraq/2007-01/0615.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: FD Script "fname" Arbitrary File Download Vulnerability

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