Fix code scanning alert no. 6: Arbitrary file access during archive extraction ("Zip Slip") #4
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…xtraction ("Zip Slip")
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
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Fixes https://github.com/yarlson/ftl/security/code-scanning/6
To fix the problem, we need to ensure that the paths extracted from the tar archive do not contain any directory traversal sequences like
... This can be done by validating theheader.Namebefore using it to construct the target path. We should also ensure that the target path is within the intended destination directory.header.Namedoes not contain...filepath.Cleanto normalize the path and ensure it is within thedestPathdirectory.Suggested fixes powered by Copilot Autofix. Review carefully before merging.