-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: sudo security update Advisory ID: RHSA-2021:0221-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0221 Issue date: 2021-01-26 CVE Names: CVE-2021-3156 ==================================================================== 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: Heap buffer overflow in argument parsing (CVE-2021-3156) 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/): 1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: sudo-1.8.23-10.el7_9.1.src.rpm x86_64: sudo-1.8.23-10.el7_9.1.x86_64.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-10.el7_9.1.i686.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm sudo-devel-1.8.23-10.el7_9.1.i686.rpm sudo-devel-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: sudo-1.8.23-10.el7_9.1.src.rpm x86_64: sudo-1.8.23-10.el7_9.1.x86_64.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-10.el7_9.1.i686.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm sudo-devel-1.8.23-10.el7_9.1.i686.rpm sudo-devel-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: sudo-1.8.23-10.el7_9.1.src.rpm ppc64: sudo-1.8.23-10.el7_9.1.ppc64.rpm sudo-debuginfo-1.8.23-10.el7_9.1.ppc64.rpm ppc64le: sudo-1.8.23-10.el7_9.1.ppc64le.rpm sudo-debuginfo-1.8.23-10.el7_9.1.ppc64le.rpm s390x: sudo-1.8.23-10.el7_9.1.s390x.rpm sudo-debuginfo-1.8.23-10.el7_9.1.s390x.rpm x86_64: sudo-1.8.23-10.el7_9.1.x86_64.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: sudo-debuginfo-1.8.23-10.el7_9.1.ppc.rpm sudo-debuginfo-1.8.23-10.el7_9.1.ppc64.rpm sudo-devel-1.8.23-10.el7_9.1.ppc.rpm sudo-devel-1.8.23-10.el7_9.1.ppc64.rpm ppc64le: sudo-debuginfo-1.8.23-10.el7_9.1.ppc64le.rpm sudo-devel-1.8.23-10.el7_9.1.ppc64le.rpm s390x: sudo-debuginfo-1.8.23-10.el7_9.1.s390.rpm sudo-debuginfo-1.8.23-10.el7_9.1.s390x.rpm sudo-devel-1.8.23-10.el7_9.1.s390.rpm sudo-devel-1.8.23-10.el7_9.1.s390x.rpm x86_64: sudo-debuginfo-1.8.23-10.el7_9.1.i686.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm sudo-devel-1.8.23-10.el7_9.1.i686.rpm sudo-devel-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: sudo-1.8.23-10.el7_9.1.src.rpm x86_64: sudo-1.8.23-10.el7_9.1.x86_64.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: sudo-debuginfo-1.8.23-10.el7_9.1.i686.rpm sudo-debuginfo-1.8.23-10.el7_9.1.x86_64.rpm sudo-devel-1.8.23-10.el7_9.1.i686.rpm sudo-devel-1.8.23-10.el7_9.1.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-2021-3156 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-002 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYBB9QtzjgjWX9erEAQjMkQ/+PUDUX16Tnzqt7l1CsDAkHsT89EyY1keR 5XAlnrEv0nfw+/Feb2zhjlAlGbZSE1pTHOB4WarZzz2edZW5PRDw2SnljPToGoF2 6e4rlxRMJzFzc1WiOl5VgIq2LsOrqE1x3smwx7UGloMNmld/wgNKzFyddlR3ya0/ k78GAgUD2K/riILpeSG9M3jkK6IX/ecAOV8cK4GnmVAyrc/I0ud+wp+AFaQdKOUd DJ08C4ktxCEDZnCMV7X0fheoVB08T2VUPqM3AT0mP8Q07RWElFNAYYzS0/0ABGdd G/bRXDOiP0Qp92gMjWi4zu8JJk1Yyt8vnXII30gr2dd4f/8O0X6N+fntkhpc86N0 mdXrPNBDXC6YJqahqtTH3ZMNWj37kSX5O0QIxRMMySIuPEhLdkF0A4CBGcP1qpaN BQf/nNAvYlkz70QTL91JkUL98X0Ih+O6IAPxT//C90VXwXTb2+XmBBYjA24/gHJn kpv9ZzJfeCSCVoa019u3r/8pkMIfiN69GpO2FQTJCP4MbIJPHeANp2lYEA+KHPqE XJvy0qh3YEs741KxKwzbaMgOTrYsoMvKhVeJZm0t5bpU5Y5TTF9fCVan8uJ8ke6d buQej1iyBUvPq+gMQvJhwiP1Q2rvgxPmHP+L3Awo9tTqm6b7WsqdRq5K+B025v+d NdZXKIPEQVY=7/vM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce