yaml.docker-compose.security.privileged-service.privileged-service

profile photo of returntocorpreturntocorp
Author
228
Download Count*
LGPL Commons Clause
License

Service '$SERVICE' is running in privileged mode. This grants the container the equivalent of root capabilities on the host machine. This can lead to container escapes, privilege escalation, and other security concerns. Remove the 'privileged' key to disable this capability.

Run Locally

Run in CI

Semgrep CI docs

Defintion

Edit RuleView Source
Open in Playground 
rules:
  - id: privileged-service
    patterns:
      - pattern-inside: |
          version: ...
          ...
          services:
            ...
            $SERVICE:
              ...
              privileged: $TRUE
      - focus-metavariable: $TRUE
      - metavariable-regex:
          metavariable: $TRUE
          regex: (true)
    fix: |
      false
    message: Service '$SERVICE' is running in privileged mode. This grants the
      container the equivalent of root capabilities on the host machine. This
      can lead to container escapes, privilege escalation, and other security
      concerns. Remove the 'privileged' key to disable this capability.
    metadata:
      cwe:
        - "CWE-250: Execution with Unnecessary Privileges"
      owasp:
        - A06:2017 - Security Misconfiguration
        - A05:2021 - Security Misconfiguration
      references:
        - https://www.trendmicro.com/en_us/research/19/l/why-running-a-privileged-container-in-docker-is-a-bad-idea.html
        - https://containerjournal.com/topics/container-security/why-running-a-privileged-container-is-not-a-good-idea/
      category: security
      technology:
        - docker-compose
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]
      subcategory:
        - vuln
      likelihood: HIGH
      impact: HIGH
      confidence: HIGH
    languages:
      - yaml
    severity: WARNING

Examples

privileged-service.test.yaml

version: "3.9"
services:
  # ok: privileged-service
  web:
    image: nginx:alpine
  worker:
    image: my-worker-image:latest
    # ruleid:privileged-service
    privileged: true
  # ok: privileged-service
  db:
    image: mysql