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Red Hat: CVE-2019-20477: CVE-2019-20477 PyYAML: command execution through python/object/apply constructor in FullLoader (Multiple Advisories)

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Red Hat: CVE-2019-20477: CVE-2019-20477 PyYAML: command execution through python/object/apply constructor in FullLoader (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/19/2020
Created
11/06/2020
Added
11/05/2020
Modified
12/15/2023

Description

PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.

Solution(s)

  • redhat-upgrade-cython-debugsource
  • redhat-upgrade-numpy-debugsource
  • redhat-upgrade-python-cffi-debugsource
  • redhat-upgrade-python-cryptography-debugsource
  • redhat-upgrade-python-lxml-debugsource
  • redhat-upgrade-python-markupsafe-debugsource
  • redhat-upgrade-python-psutil-debugsource
  • redhat-upgrade-python-psycopg2-debugsource
  • redhat-upgrade-python38
  • redhat-upgrade-python38-asn1crypto
  • redhat-upgrade-python38-babel
  • redhat-upgrade-python38-cffi
  • redhat-upgrade-python38-cffi-debuginfo
  • redhat-upgrade-python38-chardet
  • redhat-upgrade-python38-cryptography
  • redhat-upgrade-python38-cryptography-debuginfo
  • redhat-upgrade-python38-cython
  • redhat-upgrade-python38-cython-debuginfo
  • redhat-upgrade-python38-debug
  • redhat-upgrade-python38-debuginfo
  • redhat-upgrade-python38-debugsource
  • redhat-upgrade-python38-devel
  • redhat-upgrade-python38-idle
  • redhat-upgrade-python38-idna
  • redhat-upgrade-python38-jinja2
  • redhat-upgrade-python38-libs
  • redhat-upgrade-python38-lxml
  • redhat-upgrade-python38-lxml-debuginfo
  • redhat-upgrade-python38-markupsafe
  • redhat-upgrade-python38-markupsafe-debuginfo
  • redhat-upgrade-python38-mod_wsgi
  • redhat-upgrade-python38-numpy
  • redhat-upgrade-python38-numpy-debuginfo
  • redhat-upgrade-python38-numpy-doc
  • redhat-upgrade-python38-numpy-f2py
  • redhat-upgrade-python38-pip
  • redhat-upgrade-python38-pip-wheel
  • redhat-upgrade-python38-ply
  • redhat-upgrade-python38-psutil
  • redhat-upgrade-python38-psutil-debuginfo
  • redhat-upgrade-python38-psycopg2
  • redhat-upgrade-python38-psycopg2-debuginfo
  • redhat-upgrade-python38-psycopg2-doc
  • redhat-upgrade-python38-psycopg2-tests
  • redhat-upgrade-python38-pycparser
  • redhat-upgrade-python38-pymysql
  • redhat-upgrade-python38-pysocks
  • redhat-upgrade-python38-pytz
  • redhat-upgrade-python38-pyyaml
  • redhat-upgrade-python38-pyyaml-debuginfo
  • redhat-upgrade-python38-requests
  • redhat-upgrade-python38-rpm-macros
  • redhat-upgrade-python38-scipy
  • redhat-upgrade-python38-scipy-debuginfo
  • redhat-upgrade-python38-setuptools
  • redhat-upgrade-python38-setuptools-wheel
  • redhat-upgrade-python38-six
  • redhat-upgrade-python38-test
  • redhat-upgrade-python38-tkinter
  • redhat-upgrade-python38-urllib3
  • redhat-upgrade-python38-wheel
  • redhat-upgrade-python38-wheel-wheel
  • redhat-upgrade-pyyaml-debugsource
  • redhat-upgrade-scipy-debugsource

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