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ArGoSoft FTP Server Shortcut Upload and Username Enumeration
Secunia Advisory: SA13063
Release Date: 2004-11-02
Last Update: 2005-01-03
Popularity: 6,802 views

Critical:
Moderately critical
Impact: Unknown
Exposure of system information
Where: From remote
Solution Status: Vendor Patch

Software:ArGoSoft FTP Server 1.4.x

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Description:
Two vulnerabilities have been reported in ArGoSoft FTP Server, where one can be exploited by malicious people to enumerate valid usernames and the other has an unknown impact.

1) The "USER" command returns a 530 error response if the username does not exists.

2) It is possible to upload shortcut (".lnk") files.

Solution:
Update to version 1.4.2.2.
http://www.argosoft.com/ftpserver/download.aspx

Provided and/or discovered by:
1) Steven
2) Reported by vendor.

Changelog:
2005-01-03: Added further information provided by Steven.

Original Advisory:
1) http://www.lovebug.org/argosoft_advisory.txt


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