Fix arbitrary file write during tarfile extraction in luigi/contrib/lsf_runner.py and luigi/contrib/sge_runner.py #3309
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Fixes #3302 and #3301
This pull request introduces a new
SafeExtractorclass to securely handle tar file extraction and replaces the existing tar extraction logic inlsf_runner.pyandsge_runner.pywith this new class. Additionally, it includes tests to validate the functionality ofSafeExtractor.Introduction of
SafeExtractorclass:luigi/safe_extractor.py: Added a newSafeExtractorclass to securely extract tar files and prevent path traversal vulnerabilities. This class ensures that extracted file paths are validated before extraction.Refactoring to use
SafeExtractor:luigi/contrib/lsf_runner.py: Replaced the existing tar extraction logic with theSafeExtractorclass in thedo_work_on_compute_nodeandextract_packages_archivefunctions. [1] [2]luigi/contrib/sge_runner.py: Updated the_do_work_on_compute_nodeand_extract_packages_archivefunctions to use theSafeExtractorclass for tar extraction. [1] [2]Addition of tests for
SafeExtractor:test/contrib/lsf_test.py: Added unit tests for theSafeExtractorclass to ensure it correctly extracts files and handles path traversal attempts. [1] [2]