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CVE-2014-2667

3.3 · LOW

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 p…

Published Nov 16, 2014pythonCWE-362EPSS 0.36%

Overview

CVE-2014-2667 is a low-severity vulnerability affecting python python. It was published on November 16, 2014 and has a CVSS 2.0 base score of 3.3 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from python. Update python to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.python.org/issue21082Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlReflists.opensuse.org/opensuse-updates/2014-05/msg00007.htmlReflists.opensuse.org/opensuse-updates/2014-05/msg00008.htmlRefwww.openwall.com/lists/oss-security/2014/03/28/15Refwww.openwall.com/lists/oss-security/2014/03/29/5Refwww.openwall.com/lists/oss-security/2014/03/30/4Refsecurity.gentoo.org/glsa/201503-10Refbugs.python.org/issue21082Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-2667?

CVE-2014-2667 is a low-severity vulnerability affecting python python. It was published on November 16, 2014 and has a CVSS 2.0 base score of 3.3 (LOW).

How severe is CVE-2014-2667?

This vulnerability has a CVSS 2.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-2667?

Check the references section for vendor advisories and patches from python. Update python to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-2667?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-2667 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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