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False positive in CWE-829 /UntrustedCheckoutMedium.ql

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#21,823 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
55/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Quiet
Tech stack
github, github-actions
Domain
ci-cd, security

Research direction

Start with the CWE-829 /UntrustedCheckoutMedium.ql query and review the triggered and called workflow examples linked in the report. Compare the query result with the pull_request-triggered workflow behavior and the linked code-scanning alert. Done means the called workflow is no longer incorrectly reported as privileged.

Written by the indexing model from the issue text.

Description

false-positive

Description of the false positive
When there is a workflow that is triggered by a pull_request, this check considers the called workflow to be privileged even though it is not.

Code samples or links to source code

Triggered Workflow: https://raw.githubusercontent.com/llvm/llvm-project/refs/heads/main/.github/workflows/release-binaries-all.yml
Called Workflow: https://raw.githubusercontent.com/llvm/llvm-project/refs/heads/main/.github/workflows/release-binaries.yml

URL to the alert on GitHub code scanning (optional)

https://github.com/llvm/llvm-project/security/code-scanning/1828

Dominant language
CodeQL
Stars
10.1k
Forks
2.1k
Avg merge
2d 10h
Merged PRs (30d)
134

Contributor guide

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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