diff --git a/SportsFormer/modules/until_config.py b/SportsFormer/modules/until_config.py index 596c157..165bb2f 100644 --- a/SportsFormer/modules/until_config.py +++ b/SportsFormer/modules/until_config.py @@ -75,7 +75,26 @@ def get_config(cls, pretrained_model_name, cache_dir, type_vocab_size, state_dic logger.info("extracting archive file {} to temp dir {}".format( resolved_archive_file, tempdir)) with tarfile.open(resolved_archive_file, 'r:gz') as archive: - archive.extractall(tempdir) + def is_within_directory(directory, target): + + abs_directory = os.path.abspath(directory) + abs_target = os.path.abspath(target) + + prefix = os.path.commonprefix([abs_directory, abs_target]) + + return prefix == abs_directory + + def safe_extract(tar, path=".", members=None, *, numeric_owner=False): + + for member in tar.getmembers(): + member_path = os.path.join(path, member.name) + if not is_within_directory(path, member_path): + raise Exception("Attempted Path Traversal in Tar File") + + tar.extractall(path, members, numeric_owner=numeric_owner) + + + safe_extract(archive, tempdir) serialization_dir = tempdir # Load config config_file = os.path.join(serialization_dir, cls.config_name)