ci: harden github actions #2551
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Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>
WalkthroughAdds hardening and pinning to two GitHub Actions workflows. For container scanning, introduces runner hardening, minimal permissions, pins action SHAs, and extends Trivy configuration. For the SDK generator workflow, replaces version tags with pinned SHAs for workflow-dispatch steps. Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant GH as GitHub Actions
participant Runner as Runner
participant Harden as step-security/harden-runner
participant Checkout as actions/checkout@v5.0.0 (pinned)
participant Trivy as aquasecurity/trivy-action@0.33.1 (pinned)
Note over GH: Workflow: container-scan.yml<br/>permissions: contents: read
GH->>Runner: Start job
Runner->>Harden: Apply hardening (egress-policy: audit)
Harden-->>Runner: Network egress audited
Runner->>Checkout: Checkout repository (pinned SHA)
Runner->>Trivy: Scan image with configured flags<br/>(exit-code=1, ignore-unfixed, vuln-type=os,library, severity=CRITICAL,HIGH)
Trivy-->>Runner: Report findings (fails on severity threshold)
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Possibly related PRs
Poem
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches🧪 Generate unit tests (beta)
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Summary
This pull request is created by StepSecurity at the request of @tolgaozen. Please merge the Pull Request to incorporate the requested changes. Please tag @tolgaozen on your message if you have any questions related to the PR.
Security Fixes
Least Privileged GitHub Actions Token Permissions
The GITHUB_TOKEN is an automatically generated secret to make authenticated calls to the GitHub API. GitHub recommends setting minimum token permissions for the GITHUB_TOKEN.
Pinned Dependencies
GitHub Action tags and Docker tags are mutable. This poses a security risk. GitHub's Security Hardening guide recommends pinning actions to full length commit.
Harden Runner
Harden-Runner is an open-source security agent for the GitHub-hosted runner to prevent software supply chain attacks. It prevents exfiltration of credentials, detects tampering of source code during build, and enables running jobs without
sudoaccess. See how popular open-source projects use Harden-Runner here.Harden runner usage
You can find link to view insights and policy recommendation in the build log
Please refer to documentation to find more details.
Feedback
For bug reports, feature requests, and general feedback; please email support@stepsecurity.io. To create such PRs, please visit https://app.stepsecurity.io/securerepo.
Signed-off-by: StepSecurity Bot bot@stepsecurity.io
Summary by CodeRabbit