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Remove blacklist call check for os.tempnam #859

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merged 1 commit into from
Mar 19, 2022
Merged

Remove blacklist call check for os.tempnam #859

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14 changes: 4 additions & 10 deletions bandit/blacklists/calls.py
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Original file line number Diff line number Diff line change
Expand Up @@ -299,6 +299,8 @@
B325: tempnam
--------------

The check for this call has been removed.

Use of os.tempnam() and os.tmpnam() is vulnerable to symlink attacks. Consider
using tmpfile() instead.

Expand Down Expand Up @@ -684,15 +686,7 @@ def gen_blacklist():

# skipped B324 (used in bandit/plugins/hashlib_new_insecure_functions.py)

sets.append(
utils.build_conf_dict(
"tempnam",
"B325",
issue.Cwe.INSECURE_TEMP_FILE,
["os.tempnam", "os.tmpnam"],
"Use of os.tempnam() and os.tmpnam() is vulnerable to symlink "
"attacks. Consider using tmpfile() instead.",
)
)
# skipped B325 as the check for a call to os.tempnam and os.tmpnam have
# been removed

return {"Call": sets}
13 changes: 0 additions & 13 deletions examples/tempnam.py
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This file was deleted.

8 changes: 0 additions & 8 deletions tests/functional/test_functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -276,14 +276,6 @@ def test_mktemp(self):
}
self.check_example("mktemp.py", expect)

def test_tempnam(self):
"""Test for `os.tempnam` / `os.tmpnam`."""
expect = {
"SEVERITY": {"UNDEFINED": 0, "LOW": 0, "MEDIUM": 6, "HIGH": 0},
"CONFIDENCE": {"UNDEFINED": 0, "LOW": 0, "MEDIUM": 0, "HIGH": 6},
}
self.check_example("tempnam.py", expect)

def test_nonsense(self):
"""Test that a syntactically invalid module is skipped."""
self.run_example("nonsense.py")
Expand Down