Race condition vulnerability in _get_masked_mode function in Python 3.2 through 3.5

CVE-2014-2667 · LOW Severity

AV:L/AC:M/AU:N/C:P/I:P/A:N

Race condition in the _get_masked_mode function in Lib/os.py in Python 3.2 through 3.5, when exist_ok is set to true and multiple threads are used, might allow local users to bypass intended file permissions by leveraging a separate application vulnerability before the umask has been set to the expected value.

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