Directory Traversal

Overview pdm is an A modern Python package and dependency manager supporting the latest PEP standards Affected versions of this package are vulnerable to Directory Traversal in the writetofs function. An attacker can write arbitrary files to the filesystem by crafting a malicious wheel file...

GHSA-78V8-VPJP-CJQH PDM wheel installation leads to Path Traversal via overridden write_to_fs

InstallDestination.writetofs in src/pdm/installers/installers.py overrides the base class to add symlink/hardlink support but replaces the safe pathwithdestdir which validates via Path.resolve + isrelativeto with a bare os.path.join that performs no path validation. A malicious wheel with travers...