The (1) extract_keys_from_pdf and (2) fill_pdf functions in pdf_ext.py in logilab-commons before 0.61.0 allows local users to overwrite arbitrary files and possibly have other unspecified impact via a symlink attack on /tmp/toto.fdf.

The Execute class in shellutils in logilab-commons before 0.61.0 uses tempfile.mktemp, which allows local users to have an unspecified impact by pre-creating the temporary file.