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Gentoo: GLSA-202101-18 Normal: Python Code Execution Risk

gentoo
Calendar Grey January 24, 2021
Dist Gentoo Esm H88
Recent flaws in Python have been discovered, posing risks for remote code execution and denial-of-service attacks. Immediate system updates are essential for safety
Multiple vulnerabilities have been found in Python, the worst of which could result in the arbitrary execution of code.

Summary

Multiple vulnerabilities have been discovered in Python. Please review the bugs referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo gentoo code execution DoS remote execution python normal severity Python

Resolution

All Python 2.7 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-2.7.18-r5"
All Python 3.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-3.6.12-r1"
All Python 3.7 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-3.7.9-r1"
All Python 3.8 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-3.8.6-r1"
All Python 3.9 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-3.9.0-r1"

References

[ 1 ] CVE-2020-26116 https://nvd.nist.gov/vuln/detail/CVE-2020-26116 [ 2 ] CVE-2021-3177 https://nvd.nist.gov/vuln/detail/CVE-2021-3177

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202101-18
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Python: Multiple vulnerabilities
Date: January 24, 2021
Bugs: #749339, #759928, #766189
ID: 202101-18

Topics%20covered

Topics Covered

security advisory Gentoo gentoo code execution DoS remote execution python normal severity Python

Synopsis

Multiple vulnerabilities have been found in Python, the worst of which could result in the arbitrary execution of code.

Background

Python is an interpreted, interactive, object-oriented programming language.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/python < 2.7.18-r6:2.7 >= 2.7.18-r6:2.7 < 3.6.12-r2:3.6 >= 3.6.12-r2:3.6 < 3.7.9-r2:3.7 >= 3.7.9-r2:3.7 < 3.8.7-r1:3.8 >= 3.8.7-r1:3.8 < 3.9.1-r1:3.9 >= 3.9.1-r1:3.9

Impact

===== A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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