full-disclosure - Remote buffer overflow in GlobalScape Secure FTP server 3.0.2

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Message-ID: <20050501234146.216C8B3@lists.grok.org.uk>
Date: Mon May  2 01:13:27 2005
From: muts at whitehat.co.il (muts)
Subject: Remote buffer overflow in GlobalScape Secure FTP
	server 3.0.2

See Security, Research and Development
------------------------------------------------------

[-] Product Information

GlobalScape Secure FTP Server is a flexible, reliable, and cost-effective
File Transfer Protocol (FTP) Server. Secure FTP Server is used to exchange
data securely using the most up-to-date security protocols available and
employs a rich set of automation tools, providing a comprehensive data
management solution.

[-] Vulnerability Description

A buffer overflow was discovered in GlobalScape Secure FTP Server
3.0.2 which allows remote code execution by sending a malformed FTP 
request.

[-] Analysis

When sending a malformed FTP request in the format [3000 Bytes]\r\n we will
be able to overwrite the instruction pointer (and SEH) with an arbitrary
address.

[-] Vendor Notification

The vendor has been notified, and a fix is available.

[-] Exploit

Developed by Mati Aharoni

http://www.hackingdefined.com/exploits/globalscape_ftp_30_EIP.py
http://www.hackingdefined.com/exploits/globalscape_ftp_30_SEH.py
http://www.hackingdefined.com/exploits/globalscape_ftp_30.pm
http://www.hackingdefined.com/exploits/Globalscape30.pdf

[-] Credits

The vulnerability was discovered by Mati Aharoni.