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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0548 sudo security update 19 February 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: sudo Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Root Compromise -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-18634 Reference: ESB-2020.0503 ESB-2020.0429 ESB-2020.0400 ESB-2020.0390 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0540 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: sudo security update Advisory ID: RHSA-2020:0540-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0540 Issue date: 2020-02-18 CVE Names: CVE-2019-18634 ===================================================================== 1. Summary: An update for sudo is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fix(es): * sudo: Stack based buffer overflow when pwfeedback is enabled (CVE-2019-18634) 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. 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/): 1796944 - CVE-2019-18634 sudo: Stack based buffer overflow when pwfeedback is enabled 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: sudo-1.8.23-4.el7_7.2.src.rpm x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: sudo-1.8.23-4.el7_7.2.src.rpm x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: sudo-1.8.23-4.el7_7.2.src.rpm ppc64: sudo-1.8.23-4.el7_7.2.ppc64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64.rpm ppc64le: sudo-1.8.23-4.el7_7.2.ppc64le.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64le.rpm s390x: sudo-1.8.23-4.el7_7.2.s390x.rpm sudo-debuginfo-1.8.23-4.el7_7.2.s390x.rpm x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: sudo-debuginfo-1.8.23-4.el7_7.2.ppc.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64.rpm sudo-devel-1.8.23-4.el7_7.2.ppc.rpm sudo-devel-1.8.23-4.el7_7.2.ppc64.rpm ppc64le: sudo-debuginfo-1.8.23-4.el7_7.2.ppc64le.rpm sudo-devel-1.8.23-4.el7_7.2.ppc64le.rpm s390x: sudo-debuginfo-1.8.23-4.el7_7.2.s390.rpm sudo-debuginfo-1.8.23-4.el7_7.2.s390x.rpm sudo-devel-1.8.23-4.el7_7.2.s390.rpm sudo-devel-1.8.23-4.el7_7.2.s390x.rpm x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: sudo-1.8.23-4.el7_7.2.src.rpm x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.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-2019-18634 https://access.redhat.com/security/updates/classification/#important 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 iQIVAwUBXkwGv9zjgjWX9erEAQgj9xAAqMMwJV1vGvtiDKrmjTwAHF5zS6d4ApwI Aae6/KfpnimEE14EErH/FQ0kw+G7f9UC4pJfvzeRfMFWXH69+Szhdlj4nMH8cRnk 4kNT2Y6X/AKSd2fDb/lZatNiD6EYAtDADc/GX0o0JuvTW8iUAGsaJrUjFH7Nx/Xg WJ8uGiUmz3ZjCdzfT5XAnioJFt7EZOeDQ+7UlhhaR9NuxXHzOv2VdB0OT2Y+eqtV Bi0SPZ3FNY3qIJvjFai8dWd4dNKOJDxbheozCzl6JdiHeiXPAmEUbsyVNuWczu6X W3q5fgnCZR1SwMmcb2Q0ZaW41FeasbxF8+4rNn9nIwGZ1sXd+FnU88rnujDK1dE2 a/7HUa3H6hNrLfN1D7vJhdAAiPQxHC66kywwe+LJiGrR/9Qw5kME10NjRznRF90L u7kuCBJIinaQauEdr2zpZxJcbrCCDxWDMJ/dok5y44pa3gW9VHoGbMCRMW+N2zmJ qPmD4SmWYkTHkUXFNCN9CWgds++8rONr6XulgIF7BvmjQzpNMl2KLjqEArzhdTsp M7k7hP/DNUd0WdoHoDcuxoqmdc3B9BF04QhSC7xEML4GYHFLP/tse+XqqUfm3YOR +miilhWzotzpb5obbrrivaRwmQdxdVpWirLmgiNojyJmtA5F158jLwEFUf1PeKDH akNLIlIifFU= =mTdX - -----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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