-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: openssh security, bug fix, and enhancement update Advisory ID: RHSA-2022:2013-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:2013 Issue date: 2022-05-10 CVE Names: CVE-2021-41617 ===================================================================== 1. Summary: An update for openssh 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: 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: privilege escalation when AuthorizedKeysCommand or AuthorizedPrincipalsCommand are configured (CVE-2021-41617) 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 8.6 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/): 2008291 - CVE-2021-41617 openssh: privilege escalation when AuthorizedKeysCommand or AuthorizedPrincipalsCommand are configured 2015828 - openssh patch for sshd_config:ClientAliveCountMax=0 disable the connection killing behaviour 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): aarch64: openssh-askpass-8.0p1-13.el8.aarch64.rpm openssh-askpass-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-cavs-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-clients-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-debugsource-8.0p1-13.el8.aarch64.rpm openssh-keycat-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-ldap-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-server-debuginfo-8.0p1-13.el8.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.aarch64.rpm ppc64le: openssh-askpass-8.0p1-13.el8.ppc64le.rpm openssh-askpass-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-cavs-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-clients-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-debugsource-8.0p1-13.el8.ppc64le.rpm openssh-keycat-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-ldap-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-server-debuginfo-8.0p1-13.el8.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.ppc64le.rpm s390x: openssh-askpass-8.0p1-13.el8.s390x.rpm openssh-askpass-debuginfo-8.0p1-13.el8.s390x.rpm openssh-cavs-debuginfo-8.0p1-13.el8.s390x.rpm openssh-clients-debuginfo-8.0p1-13.el8.s390x.rpm openssh-debuginfo-8.0p1-13.el8.s390x.rpm openssh-debugsource-8.0p1-13.el8.s390x.rpm openssh-keycat-debuginfo-8.0p1-13.el8.s390x.rpm openssh-ldap-debuginfo-8.0p1-13.el8.s390x.rpm openssh-server-debuginfo-8.0p1-13.el8.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.s390x.rpm x86_64: openssh-askpass-8.0p1-13.el8.x86_64.rpm openssh-askpass-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-cavs-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-clients-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-debugsource-8.0p1-13.el8.x86_64.rpm openssh-keycat-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-ldap-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-server-debuginfo-8.0p1-13.el8.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.x86_64.rpm Red Hat Enterprise Linux BaseOS (v. 8): Source: openssh-8.0p1-13.el8.src.rpm aarch64: openssh-8.0p1-13.el8.aarch64.rpm openssh-askpass-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-cavs-8.0p1-13.el8.aarch64.rpm openssh-cavs-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-clients-8.0p1-13.el8.aarch64.rpm openssh-clients-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-debugsource-8.0p1-13.el8.aarch64.rpm openssh-keycat-8.0p1-13.el8.aarch64.rpm openssh-keycat-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-ldap-8.0p1-13.el8.aarch64.rpm openssh-ldap-debuginfo-8.0p1-13.el8.aarch64.rpm openssh-server-8.0p1-13.el8.aarch64.rpm openssh-server-debuginfo-8.0p1-13.el8.aarch64.rpm pam_ssh_agent_auth-0.10.3-7.13.el8.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.aarch64.rpm ppc64le: openssh-8.0p1-13.el8.ppc64le.rpm openssh-askpass-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-cavs-8.0p1-13.el8.ppc64le.rpm openssh-cavs-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-clients-8.0p1-13.el8.ppc64le.rpm openssh-clients-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-debugsource-8.0p1-13.el8.ppc64le.rpm openssh-keycat-8.0p1-13.el8.ppc64le.rpm openssh-keycat-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-ldap-8.0p1-13.el8.ppc64le.rpm openssh-ldap-debuginfo-8.0p1-13.el8.ppc64le.rpm openssh-server-8.0p1-13.el8.ppc64le.rpm openssh-server-debuginfo-8.0p1-13.el8.ppc64le.rpm pam_ssh_agent_auth-0.10.3-7.13.el8.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.ppc64le.rpm s390x: openssh-8.0p1-13.el8.s390x.rpm openssh-askpass-debuginfo-8.0p1-13.el8.s390x.rpm openssh-cavs-8.0p1-13.el8.s390x.rpm openssh-cavs-debuginfo-8.0p1-13.el8.s390x.rpm openssh-clients-8.0p1-13.el8.s390x.rpm openssh-clients-debuginfo-8.0p1-13.el8.s390x.rpm openssh-debuginfo-8.0p1-13.el8.s390x.rpm openssh-debugsource-8.0p1-13.el8.s390x.rpm openssh-keycat-8.0p1-13.el8.s390x.rpm openssh-keycat-debuginfo-8.0p1-13.el8.s390x.rpm openssh-ldap-8.0p1-13.el8.s390x.rpm openssh-ldap-debuginfo-8.0p1-13.el8.s390x.rpm openssh-server-8.0p1-13.el8.s390x.rpm openssh-server-debuginfo-8.0p1-13.el8.s390x.rpm pam_ssh_agent_auth-0.10.3-7.13.el8.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.el8.s390x.rpm x86_64: openssh-8.0p1-13.el8.x86_64.rpm openssh-askpass-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-cavs-8.0p1-13.el8.x86_64.rpm openssh-cavs-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-clients-8.0p1-13.el8.x86_64.rpm openssh-clients-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-debugsource-8.0p1-13.el8.x86_64.rpm openssh-keycat-8.0p1-13.el8.x86_64.rpm openssh-keycat-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-ldap-8.0p1-13.el8.x86_64.rpm openssh-ldap-debuginfo-8.0p1-13.el8.x86_64.rpm openssh-server-8.0p1-13.el8.x86_64.rpm openssh-server-debuginfo-8.0p1-13.el8.x86_64.rpm pam_ssh_agent_auth-0.10.3-7.13.el8.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.13.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-2021-41617 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYnqRFtzjgjWX9erEAQgkWA/8CGeoPU2bqlk/fReo1lkIBuJnwYJd+vS2 UIq4qWv/psuGIA3tRB2LWOjR1kCNeOE9oScUZIAhWLq8HF0RGVmyDS/jGQjae/A7 X1UkCSByVCht8VlLcRHBBENdC7BtqiLeDoTB7WtJWbqx30Js9nW/lTfbpyn1K1Bm 13jKL20w95v+CR8KjW6ug/wu2ksvyY5mbI3KG0C6uzz+qB73gp+2ZDRYFpT0u38I qA/hITIXda5jJhT5f/Y6t7x7OCFJWyFJbi0UE3U0iAXhV74JePHybAq0YRCdRyK3 pXlnR+lBDRlW6A7B5Ww5umKdzeUUnP8Mn6npY1Xt9KZKQa2R5OUAM/ASMCBItzQx cwbRf2T0xpzcr1+Rxy9U7dcKD05MzdMIxhUrSfKWInUnBKlIqNtIURQEsPJ3G9JM 1V77FWSG7LvFBbbwbxwT3cTBVVSWE/dYe/CaxmvynHhVn9oTocO/os41KEMw0CS+ FtQtUZZoVgkTHlIaK3riERcY9RRlvkkSxvnLSjiVivSBAWxDy73LyJz4qeTmQ3Qi kG+Fk8VPZAcGndR20Ri5+vyaDV6HYAWTKLKdbhsmxol7uSMcTSHoeNK5gWw4p1I0 edbxz1L2d9R1UHCZ+RRJGIc3jTJDDiiXoc5hXKeM+zi6WkFX7FSzbIdLBhIJ67Ka GWF0tVDYsxQ= =kmsC -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce