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INFOSERVE-ADV2011-09 - zFTPServer Suite 6.0.0.52 'rmdir' Directory Traversal

Posted by Stefan Schurtz on
Advisory:
zFTPServer Suite 6.0.0.52 'rmdir' Directory Traversal
Advisory ID:
INFOSERVE-ADV2011-09
Author:
Stefan Schurtz
Contact:
Affected Software:
Successfully tested on zFTPServer Suite 6.0.0.52
Vendor URL:
Vendor Status:
fixed
CVE-ID:
CVE-2011-4717
 
==========================
Vulnerability Description
==========================
 
zFTPServer 'rmdir' is prone to a Directory Traversal, which makes it possible to delete directories in the system
 
==================
PoC-Exploit
==================

Tested on: WindowsXP (SP3)
User Permissions:  Files->Read / Directories->List, Delete



=========
Solution
=========

Fixed, but no new release available, as a workaround disable "Directories->Delete"

====================
Disclosure Timeline
====================

04-Dec-2011 - informed vendor
06-Dec-2011 - fixed by vendor
10-Dec-2011 - release date of this security advisory

========
Credits
========

Vulnerabilitiy found and advisory written by the INFOSERVE security team.

===========
References
===========

http://forum.zftpserver.com/viewtopic.php?f=4&t=2927
http://www.infoserve.de/system/files/advisories/INFOSERVE-ADV2011-09.txt

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