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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3870 python3 security and bug fix update 6 November 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: python3 Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-14422 CVE-2020-8492 CVE-2019-20907 CVE-2019-16935 Reference: ESB-2020.3591 ESB-2020.3212 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:4433 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: python3 security and bug fix update Advisory ID: RHSA-2020:4433-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4433 Issue date: 2020-11-03 CVE Names: CVE-2019-16935 CVE-2019-20907 CVE-2020-8492 CVE-2020-14422 ===================================================================== 1. Summary: An update for python3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935) * python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907) * python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492) * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1724996 - Speed up Python with -fno-semantic-interposition 1763229 - CVE-2019-16935 python: XSS vulnerability in the documentation XML-RPC server in server_title field 1772992 - python3-config --configdir incorrect 1809065 - CVE-2020-8492 python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS 1814392 - test_site is failing on an installed python3 1851090 - distutils module: sysconfig.get_config_var('LIBPL') returns non existing directory 1854926 - CVE-2020-14422 python: DoS via inefficiency in IPv{4,6}Interface classes 1856481 - CVE-2019-20907 python: infinite loop in the tarfile module via crafted TAR archive 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): aarch64: platform-python-debug-3.6.8-31.el8.aarch64.rpm platform-python-devel-3.6.8-31.el8.aarch64.rpm python3-debuginfo-3.6.8-31.el8.aarch64.rpm python3-debugsource-3.6.8-31.el8.aarch64.rpm python3-idle-3.6.8-31.el8.aarch64.rpm python3-tkinter-3.6.8-31.el8.aarch64.rpm ppc64le: platform-python-debug-3.6.8-31.el8.ppc64le.rpm platform-python-devel-3.6.8-31.el8.ppc64le.rpm python3-debuginfo-3.6.8-31.el8.ppc64le.rpm python3-debugsource-3.6.8-31.el8.ppc64le.rpm python3-idle-3.6.8-31.el8.ppc64le.rpm python3-tkinter-3.6.8-31.el8.ppc64le.rpm s390x: platform-python-debug-3.6.8-31.el8.s390x.rpm platform-python-devel-3.6.8-31.el8.s390x.rpm python3-debuginfo-3.6.8-31.el8.s390x.rpm python3-debugsource-3.6.8-31.el8.s390x.rpm python3-idle-3.6.8-31.el8.s390x.rpm python3-tkinter-3.6.8-31.el8.s390x.rpm x86_64: platform-python-3.6.8-31.el8.i686.rpm platform-python-debug-3.6.8-31.el8.i686.rpm platform-python-debug-3.6.8-31.el8.x86_64.rpm platform-python-devel-3.6.8-31.el8.i686.rpm platform-python-devel-3.6.8-31.el8.x86_64.rpm python3-debuginfo-3.6.8-31.el8.i686.rpm python3-debuginfo-3.6.8-31.el8.x86_64.rpm python3-debugsource-3.6.8-31.el8.i686.rpm python3-debugsource-3.6.8-31.el8.x86_64.rpm python3-idle-3.6.8-31.el8.i686.rpm python3-idle-3.6.8-31.el8.x86_64.rpm python3-test-3.6.8-31.el8.i686.rpm python3-tkinter-3.6.8-31.el8.i686.rpm python3-tkinter-3.6.8-31.el8.x86_64.rpm Red Hat Enterprise Linux BaseOS (v. 8): Source: python3-3.6.8-31.el8.src.rpm aarch64: platform-python-3.6.8-31.el8.aarch64.rpm python3-debuginfo-3.6.8-31.el8.aarch64.rpm python3-debugsource-3.6.8-31.el8.aarch64.rpm python3-libs-3.6.8-31.el8.aarch64.rpm python3-test-3.6.8-31.el8.aarch64.rpm ppc64le: platform-python-3.6.8-31.el8.ppc64le.rpm python3-debuginfo-3.6.8-31.el8.ppc64le.rpm python3-debugsource-3.6.8-31.el8.ppc64le.rpm python3-libs-3.6.8-31.el8.ppc64le.rpm python3-test-3.6.8-31.el8.ppc64le.rpm s390x: platform-python-3.6.8-31.el8.s390x.rpm python3-debuginfo-3.6.8-31.el8.s390x.rpm python3-debugsource-3.6.8-31.el8.s390x.rpm python3-libs-3.6.8-31.el8.s390x.rpm python3-test-3.6.8-31.el8.s390x.rpm x86_64: platform-python-3.6.8-31.el8.x86_64.rpm python3-debuginfo-3.6.8-31.el8.i686.rpm python3-debuginfo-3.6.8-31.el8.x86_64.rpm python3-debugsource-3.6.8-31.el8.i686.rpm python3-debugsource-3.6.8-31.el8.x86_64.rpm python3-libs-3.6.8-31.el8.i686.rpm python3-libs-3.6.8-31.el8.x86_64.rpm python3-test-3.6.8-31.el8.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2019-16935 https://access.redhat.com/security/cve/CVE-2019-20907 https://access.redhat.com/security/cve/CVE-2020-8492 https://access.redhat.com/security/cve/CVE-2020-14422 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6IwstzjgjWX9erEAQhmXg//fWaqPcebzo+GhdyTYRIEDa9T4bYKwcoQ 8YE/+kUYPhgTWoOMKnvcBrzycnHn4/1uSdf5Tb+CeptUf9j5ZGfe4l6SpG5CAuXE VnKUQTQjL85g8n41maDbdCBZv4YjpPJDMQXQbe4wBQzNOhXQLWkogGngJa3NX5nH O8DNtTmSeogw9qNPzTV2qR2aJcnuB5iwS3EYcGIAcJYa7alde5BwtxNQaN2ZB44V TdpFHToFNyIJiFKcIugzaB+GmTvtJZyyuYaIRrL9X8HZc9i9R7cUlNW2OoLY1d0e 5410w5ld6Mji6FOobyY5L3T+SwPxGEJxiCqXqDwBI9Is8gPkcYKgEVGWjqadUULS zVIwSN1v+XR49Lh2eB/qNYt6T8iKQgtA7RrossfumwuDatY7S4sjHV3h/rYmCRg0 lF0pDpYtziV6j9yJHxL74KBHxyqdSK8jc1CEvppH91op3wfo3GGrUtyCK3Vr6Q0e Pi4dyuoIROhivQxF/fc9vmKELQLIjFzXItbn/vYUmbUTiFXbmFSdSpxDsiI+3pXS FCZVPGf6a36lofMlp6Gv8jJubH8YAW8LLKEONufiBE5cmTfPt2zSOibVVdkmY4Xl 8H0u6FlEHfJp7FgcgSsk03Nn8gR45mSDBl1QelIW6LsHElNlHkvR5D5+qVQ0mwGy FEAFLQwIaLE= =1cnq - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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