Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0836 sudo security update 6 March 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: sudo Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux WS/Desktop 6 Impact/Access: Root Compromise -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-18634 Reference: ESB-2020.0573 ESB-2020.0548 ESB-2020.0390 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0726 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: sudo security update Advisory ID: RHSA-2020:0726-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0726 Issue date: 2020-03-05 CVE Names: CVE-2019-18634 ===================================================================== 1. Summary: An update for sudo is now available for Red Hat Enterprise Linux 6. 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, 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 Desktop (v. 6): Source: sudo-1.8.6p3-29.el6_10.3.src.rpm i386: sudo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm x86_64: sudo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm x86_64: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: sudo-1.8.6p3-29.el6_10.3.src.rpm x86_64: sudo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: sudo-1.8.6p3-29.el6_10.3.src.rpm i386: sudo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm ppc64: sudo-1.8.6p3-29.el6_10.3.ppc64.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.ppc64.rpm s390x: sudo-1.8.6p3-29.el6_10.3.s390x.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.s390x.rpm x86_64: sudo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm ppc64: sudo-debuginfo-1.8.6p3-29.el6_10.3.ppc.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.ppc64.rpm sudo-devel-1.8.6p3-29.el6_10.3.ppc.rpm sudo-devel-1.8.6p3-29.el6_10.3.ppc64.rpm s390x: sudo-debuginfo-1.8.6p3-29.el6_10.3.s390.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.s390x.rpm sudo-devel-1.8.6p3-29.el6_10.3.s390.rpm sudo-devel-1.8.6p3-29.el6_10.3.s390x.rpm x86_64: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: sudo-1.8.6p3-29.el6_10.3.src.rpm i386: sudo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm x86_64: sudo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm x86_64: sudo-debuginfo-1.8.6p3-29.el6_10.3.i686.rpm sudo-debuginfo-1.8.6p3-29.el6_10.3.x86_64.rpm sudo-devel-1.8.6p3-29.el6_10.3.i686.rpm sudo-devel-1.8.6p3-29.el6_10.3.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 iQIVAwUBXmD8w9zjgjWX9erEAQjClQ//d3gns6TPvMfuDzHAwuVhhL1SWMGiNrMq 2p6u0RYmMS8wP2dD1kwVQccxaRZ1Q+50wxrm/u2NqFrIqz4BbQw2N/byVU0Op7JO XnVc3by+zKwc9/CHZBdk7owwX+F9shlq9a/HyuXtjLPa0dsoA6+1eloBT+z0fzeQ 2xNBd5TreXU0Wth7UEOMK3yw3CBmjWTtr1/dMHNTXYZ1kqYrhLAaIMGwgZrBCJJn tcxc+lqeCe79/eZ8zZrdz+IR33o2vBUQdPTgVhigzbv0WrJJF1GRIXJJ3QI6NxES anNFVaZC/AcZnqANh2wBL024af0LQIMSzJ+lRyWwoOHMCAQ+oDlu1//Lra1dpfng VTBfy4IMMsN4QmCfzC6QPGuMZzCY9xW6nXNIIESwnEEtBNbITfy/8J0cOR+s0uuo 3XbuKV2Ynr+TfoibarAwiJv1GIZ8aeiYwHRpDj0HwxTMsM9TKQ2gJIBLVuDlt30K gtRBVVobe8J2u9FCdbEny338olEs2IedoLRxAhQK36sup1B7tkozTj/P5lObzfgA mj7qxRT+PL1J0+x6rgyytxK2e1Ayr4sUW/Vb2RUSefBRTEW/ErRVT5ssLnHjVQ6Y JolISCxUubr+y5trMAenirrHD5qnV056xKjtKpn4mSb3uoRxLC4aEgH9F/E1Fepq uJZdmeIKuvY= =DpL7 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXmH03GaOgq3Tt24GAQjs5RAAmH6o7CB7S4f5fP1n9tHK5LphAsj8ree4 iloFo8JOj1TJlwCQfL40Qy4opJUlG9EVIvc4xQEpxaAoxn9vUO87AgI6njNY/NTB DLrhoqUxHv2CmTPpUZj4GsmNjxBe+MnMGHC3n0lbL+XCXuG76wd8BaPwTBpt6rK9 KZj/QssZr0Ydx8yLRpyVrczlRZG/H0YsrO/ZSnN3msYXlvJ/4Cft4ExWeitjLr6Z IKQp1esCMEczTsZgPudlF/8JiKcjNcRN00w3sUbXOB/y0CWuyCTVLBKu8qQEo1CA lh1C50EoVh+PqLzzqNsr3miFCPWbO0nU/45gIAJ5DiYYqN4aThE/021jFXRA/0VE kLld6tqKY9FecXAr+F0QXvr5JK7zwsFBnl5zPEy550KZ5FYsDU3khl64HyLMmppq fdxP/GzCiq+Lr1i4VlfhP3rPuIYLNKbQqaaflhvAJltA+h7SS1cLXOgOAp2tTfXF ZG5fRzQyqYLIeXnaqBndrmVvVTLkCvyXLk2o2XRCXU3s9FfbdOjAugV37x3uizp8 UMQBygnYUWFZFElrX66C9PV/2yzFHa4TSbe4XrAGEgRd3Q3UyOIOt6nbWPak+g+j /F4Ly9h+A8wEdfWbZi7uQeA53TgINLB5VZgKEzgezH6iexOtVZ1N5wQkM4OEN1c/ C2fphXlVj8Y= =mGhY -----END PGP SIGNATURE-----