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CVE-2007-4559 Patch #1

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CVE-2007-4559 Patch #1

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21 changes: 20 additions & 1 deletion Tools/ExcelToProto/setuptools-38.2.4/setuptools/tests/test_easy_install.py
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Original file line number Diff line number Diff line change
Expand Up @@ -432,7 +432,26 @@ def test_setup_requires_override_nspkg(self, use_setup_cfg):
foobar_1_dir = os.path.join(temp_dir, 'foo.bar-0.1')
os.mkdir(foobar_1_dir)
with tarfile.open(foobar_1_archive) as tf:
tf.extractall(foobar_1_dir)
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(tf, foobar_1_dir)
sys.path.insert(1, foobar_1_dir)

dist = PRDistribution(foobar_1_dir, project_name='foo.bar',
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