Vulnerability Monitor

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CVE-2014-2667

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.

Security Impact Summary

CVE-2014-2667 is a security vulnerability that . Impacting 1 product from python organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-11-16T01:59:01.927

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.3 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

4.9

Weaknesses

Type: Primary
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	python	python	3.2.0	Yes
Application	python	python	3.2.1	Yes
Application	python	python	3.2.2	Yes
Application	python	python	3.2.3	Yes
Application	python	python	3.2.4	Yes
Application	python	python	3.2.5	Yes
Application	python	python	3.2.6	Yes
Application	python	python	3.3.0	Yes
Application	python	python	3.3.1	Yes
Application	python	python	3.3.2	Yes
Application	python	python	3.3.3	Yes
Application	python	python	3.3.4	Yes
Application	python	python	3.3.5	Yes
Application	python	python	3.3.6	Yes
Application	python	python	3.4.0	Yes
Application	python	python	3.4.1	Yes
Application	python	python	3.4.2	Yes

References

http://bugs.python.org/issue21082 Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-05/msg00007.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html ([email protected])
http://www.openwall.com/lists/oss-security/2014/03/28/15 ([email protected])
http://www.openwall.com/lists/oss-security/2014/03/29/5 ([email protected])
http://www.openwall.com/lists/oss-security/2014/03/30/4 ([email protected])
https://security.gentoo.org/glsa/201503-10 ([email protected])
http://bugs.python.org/issue21082 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-05/msg00007.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/03/28/15 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/03/29/5 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/03/30/4 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201503-10 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For python's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.