Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3015 openssh security, bug fix, and enhancement update 8 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openssh Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-15473 Reference: ESB-2018.3326 ESB-2018.2473 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:2143 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Low: openssh security, bug fix, and enhancement update Advisory ID: RHSA-2019:2143-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2143 Issue date: 2019-08-06 CVE Names: CVE-2018-15473 ===================================================================== 1. Summary: An update for openssh is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. 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: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fix(es): * openssh: User enumeration via malformed packets in authentication requests (CVE-2018-15473) 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 7.7 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 After installing this update, the OpenSSH server daemon (sshd) will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1583735 - Permission denied reading authorized_keys when setting AuthorizedKeysCommand 1619063 - CVE-2018-15473 openssh: User enumeration via malformed packets in authentication requests 1712053 - tmux session not attached automatically during manual installation on s390x 1722446 - openssh FIPS cipher list has an extra comma in it 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: openssh-7.4p1-21.el7.src.rpm x86_64: openssh-7.4p1-21.el7.x86_64.rpm openssh-askpass-7.4p1-21.el7.x86_64.rpm openssh-clients-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-keycat-7.4p1-21.el7.x86_64.rpm openssh-server-7.4p1-21.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: openssh-cavs-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.i686.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-ldap-7.4p1-21.el7.x86_64.rpm openssh-server-sysvinit-7.4p1-21.el7.x86_64.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.i686.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: openssh-7.4p1-21.el7.src.rpm x86_64: openssh-7.4p1-21.el7.x86_64.rpm openssh-clients-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-keycat-7.4p1-21.el7.x86_64.rpm openssh-server-7.4p1-21.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: openssh-askpass-7.4p1-21.el7.x86_64.rpm openssh-cavs-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.i686.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-ldap-7.4p1-21.el7.x86_64.rpm openssh-server-sysvinit-7.4p1-21.el7.x86_64.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.i686.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: openssh-7.4p1-21.el7.src.rpm ppc64: openssh-7.4p1-21.el7.ppc64.rpm openssh-askpass-7.4p1-21.el7.ppc64.rpm openssh-clients-7.4p1-21.el7.ppc64.rpm openssh-debuginfo-7.4p1-21.el7.ppc64.rpm openssh-keycat-7.4p1-21.el7.ppc64.rpm openssh-server-7.4p1-21.el7.ppc64.rpm ppc64le: openssh-7.4p1-21.el7.ppc64le.rpm openssh-askpass-7.4p1-21.el7.ppc64le.rpm openssh-clients-7.4p1-21.el7.ppc64le.rpm openssh-debuginfo-7.4p1-21.el7.ppc64le.rpm openssh-keycat-7.4p1-21.el7.ppc64le.rpm openssh-server-7.4p1-21.el7.ppc64le.rpm s390x: openssh-7.4p1-21.el7.s390x.rpm openssh-askpass-7.4p1-21.el7.s390x.rpm openssh-clients-7.4p1-21.el7.s390x.rpm openssh-debuginfo-7.4p1-21.el7.s390x.rpm openssh-keycat-7.4p1-21.el7.s390x.rpm openssh-server-7.4p1-21.el7.s390x.rpm x86_64: openssh-7.4p1-21.el7.x86_64.rpm openssh-askpass-7.4p1-21.el7.x86_64.rpm openssh-clients-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-keycat-7.4p1-21.el7.x86_64.rpm openssh-server-7.4p1-21.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: openssh-cavs-7.4p1-21.el7.ppc64.rpm openssh-debuginfo-7.4p1-21.el7.ppc.rpm openssh-debuginfo-7.4p1-21.el7.ppc64.rpm openssh-ldap-7.4p1-21.el7.ppc64.rpm openssh-server-sysvinit-7.4p1-21.el7.ppc64.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.ppc.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.ppc64.rpm ppc64le: openssh-cavs-7.4p1-21.el7.ppc64le.rpm openssh-debuginfo-7.4p1-21.el7.ppc64le.rpm openssh-ldap-7.4p1-21.el7.ppc64le.rpm openssh-server-sysvinit-7.4p1-21.el7.ppc64le.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.ppc64le.rpm s390x: openssh-cavs-7.4p1-21.el7.s390x.rpm openssh-debuginfo-7.4p1-21.el7.s390.rpm openssh-debuginfo-7.4p1-21.el7.s390x.rpm openssh-ldap-7.4p1-21.el7.s390x.rpm openssh-server-sysvinit-7.4p1-21.el7.s390x.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.s390.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.s390x.rpm x86_64: openssh-cavs-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.i686.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-ldap-7.4p1-21.el7.x86_64.rpm openssh-server-sysvinit-7.4p1-21.el7.x86_64.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.i686.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: openssh-7.4p1-21.el7.src.rpm x86_64: openssh-7.4p1-21.el7.x86_64.rpm openssh-askpass-7.4p1-21.el7.x86_64.rpm openssh-clients-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-keycat-7.4p1-21.el7.x86_64.rpm openssh-server-7.4p1-21.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: openssh-cavs-7.4p1-21.el7.x86_64.rpm openssh-debuginfo-7.4p1-21.el7.i686.rpm openssh-debuginfo-7.4p1-21.el7.x86_64.rpm openssh-ldap-7.4p1-21.el7.x86_64.rpm openssh-server-sysvinit-7.4p1-21.el7.x86_64.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.i686.rpm pam_ssh_agent_auth-0.10.3-2.21.el7.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-2018-15473 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXUl2+9zjgjWX9erEAQghMQ//ao8h2SV6O/qKXHnO+WB1PYTD3rzASW8f pE++fRS0YTGtkoCmwEsYDRqg7Xw+3LIX/j8gYztFtMDoU7alLTkywBvszsBvRSCF Xi2yutUkhcygCldcwrHwNgVGa2kMni6Fm/O2ZCLkHdOHZLwMOZjBe0T4Ompc2ok5 TshNRwUWjCfzY3pwG1c9lffrfq2/DgIzi+o9MCjNCaRgFKDo9Ufgw93CSmPm/61u WVr7pV/+yXRlswG0ZnK3gOK19lYQIQfS9sQJzFelcF1pOCseZUqiKOTVMcBP0XaB uIODY4Ra/BRX9pLXN9JkBTBE8iSPO+VGKoF/m9urqpg7Z+kaH2KwdyrJeHIzY/mA e1Cidd4RsK9HwwBoRdIlw6MjstoymmF2OaYcO0Yb36abUWEF0CFIZQeAZR89ZvGG zKnc+YybH/ELu1VEF7CfBQFyP6DFt8fgFvBI5yCCjzxy0XYVrave6zLO+6a7Hg94 5UDWDIIT7h55CYlfCiZ4pBClRJSO4/XKs3lcUsvirnyagyO5it1yZpkCiavFfcah PewUzfp6mz5BXUUhJHDdFe/LgAWE7DCiMy1A78iKy0kY4Yu/tgfgMJ/KXYnyIj62 mY7o0lHcjBNHqUVDscNOtbV3EG7jsgHI1XtTIOlBeijkmPaDZnnMbM5ZXhhDzGPV fl5KApr4ST8= =wPC+ - -----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 iQIVAwUBXUuoCGaOgq3Tt24GAQhmEw//UVvbrntWaxHqWK85IeAcVfMz/8i0tfuJ pUoN9ebd4dhHg6iC2rEq9IeeWlz+upohLB03NliDKr05Zlmk2AvxX8ozR/YBO9Zy x/+Z5CNakDrpla2ukMkR6jQsTL0oZHK4MBZy5RTnm3/ktBMqPpmw8rpnSBVIthb6 kNVgXYDToHXj53OlafqtgFDqEcC3Ab9/2W51639M4LzIUkv3o6Gx3hMMGPHEbfMZ BGPGMfrd4HO+eryxJWDMjwJVU9vjI/4cSnoIAm+SIH6cqi021sMwarVcEJyZKMXM QX3pKsvc+XAhwVoiJwPZvXwRwr0AuyrEDoE6Fk5xzqD2W9AIWAwUnxpuTQvQ6DBI hqzxQIK7zWS9l7CUViD0Wtvh3LLUjlDgv0lnIXSAxiWrfsxdA+UwkYKKnVxmlhF+ a/qNzQllc2JGPHY/Dss4ayXm+CpmM2bKv0yJOQdp+evuZymKL0wkAIhlUphmLvBD uJCXbleXMMtYBe9hBK47Zt3nLo5yYeXXRWHEDnEEhIuJ8MiqrdB1UpKJX9Zvcqzw Akm2RG0nILO6e5BFhU0WYuWnUEokXUYhG0+cJ1nJrEPM+dBo0PPoD2LF4MhwUFNi j9uABJJZ5Kx5hBcXa5J4QKPss7a6nxlzhO7NuV8zFolpY7G19jZCFVZ2anB20eyE 2GHGqZUTF2A= =M0Ve -----END PGP SIGNATURE-----