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CVE-2014-2667

nvd nist
Published: Nov 16, 2014Modified: May 6, 2026

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3.3
Vector
AV:L/AC:M/Au:N/C:P/I:P/A:N
Exploitability: 3.4 / Impact: 4.9
Source: NVD

Description

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.

Affected (17)

Products: Python: Python
Python
1 product
Python
Configuration A
17 vulnerable
Vulnerable SoftwareAffected Versions
Python
Python
Version 3.2.0
Python
Version 3.2.1
Python
Version 3.2.2
Python
Version 3.2.3
Python
Version 3.2.4
Python
Version 3.2.5
Python
Version 3.2.6
Python
Version 3.3.0
Python
Version 3.3.1
Python
Version 3.3.2
Python
Version 3.3.3
Python
Version 3.3.4
Python
Version 3.3.5
Python
Version 3.3.6
Python
Version 3.4.0
Python
Version 3.4.1
Python
Version 3.4.2

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (16)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.