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Gentoo Linux Security Advisory 202003-26

Gentoo Linux Security Advisory 202003-26
Posted Mar 16, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-26 - Multiple vulnerabilities have been found in Python, the worst of which could result in a Denial of Service condition. Versions less than 2.7.17:2.7 are affected.

tags | advisory, denial of service, vulnerability, python
systems | linux, gentoo
advisories | CVE-2018-20852, CVE-2019-5010, CVE-2019-9636, CVE-2019-9740, CVE-2019-9947, CVE-2019-9948
SHA-256 | 48a9f63e52b9d0580896b559ad4cc27cff258f6f1bae6a868f93bbfeadcc471d

Gentoo Linux Security Advisory 202003-26

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202003-26
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https://security.gentoo.org/
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Severity: Normal
Title: Python: Multiple vulnerabilities
Date: March 15, 2020
Bugs: #676700, #680246, #680298, #684838, #689822
ID: 202003-26

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Synopsis
========

Multiple vulnerabilities have been found in Python, the worst of which
could result in a Denial of Service condition.

Background
==========

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

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-lang/python < 2.7.17:2.7 >= 2.7.17:2.7
< 3.5.7:3.5/3.5m >= 3.5.7:3.5/3.5m
< 3.6.9:3.6/3.6m >= 3.6.9:3.6/3.6m
< 3.7.4:3.7/3.7m >= 3.7.4:3.7/3.7m

Description
===========

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

Impact
======

A remote attacker could possibly perform a CRLF injection attack,
obtain sensitive information, trick Python into sending cookies to the
wrong domain or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Python 2.7.x users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-2.7.17:2.7"

All Python 3.5.x users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.5.7:3.5/3.5m"

All Python 3.6.x users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.6.9:3.6/3.6m"

All Python 3.7x users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.7.4:3.7/3.7m"

References
==========

[ 1 ] CVE-2018-20852
https://nvd.nist.gov/vuln/detail/CVE-2018-20852
[ 2 ] CVE-2019-5010
https://nvd.nist.gov/vuln/detail/CVE-2019-5010
[ 3 ] CVE-2019-9636
https://nvd.nist.gov/vuln/detail/CVE-2019-9636
[ 4 ] CVE-2019-9740
https://nvd.nist.gov/vuln/detail/CVE-2019-9740
[ 5 ] CVE-2019-9947
https://nvd.nist.gov/vuln/detail/CVE-2019-9947
[ 6 ] CVE-2019-9948
https://nvd.nist.gov/vuln/detail/CVE-2019-9948

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202003-26

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.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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