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ALFTP FTP Client Directory Download Directory Traversal Vulnerability

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Release Date:  2008-06-06    Last Update:  2008-06-20    Views:  7,091

Secunia Advisory SA30559

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Tan Chew Keong has reported a vulnerability in ALFTP FTP Client, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an input validation error when downloading directories containing files with directory traversal specifiers in the filename. This can be exploited to download files to an arbitrary location on a user's system.

Successful exploitation requires that the user is tricked into connecting and downloading a directory from a malicious FTP server.

The vulnerability is reported in version version 4.1 beta 2 (English) and 5.0 (Korean). Other versions may also be affected.


Solution:
Do not download directories from untrusted FTP servers.

Provided and/or discovered by:
Tan Chew Keong

Original Advisory:
http://vuln.sg/alftp41b2-en.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: ALFTP FTP Client Directory Download Directory Traversal Vulnerability

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