-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: openssh security, bug fix, and enhancement update Advisory ID: RHSA-2019:3702-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3702 Issue date: 2019-11-05 CVE Names: CVE-2018-20685 CVE-2019-6109 CVE-2019-6111 ===================================================================== 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. The following packages have been upgraded to a later upstream version: openssh (8.0p1). (BZ#1691045) Security Fix(es): * openssh: scp client improper directory name validation (CVE-2018-20685) * openssh: Improper validation of object names allows malicious server to overwrite files via scp client (CVE-2019-6111) * openssh: Missing character encoding in progress display allows for spoofing of scp client output (CVE-2019-6109) 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 8.1 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/): 1665785 - CVE-2018-20685 openssh: scp client improper directory name validation 1666119 - CVE-2019-6109 openssh: Missing character encoding in progress display allows for spoofing of scp client output 1666127 - CVE-2019-6111 openssh: Improper validation of object names allows malicious server to overwrite files via scp client 1667519 - ssh-copy-id hangs when the remote system is out of space 1668325 - openssh - man pages do not mention crypto-policies 1683295 - Kerberos cleanup procedures do not work with GSSAPIDelegateCredentials and default ccache from krb5.conf 1685096 - In FIPS mode, during DH group exchange, OpenSSH client should validate the received moduli, making sure it is one of the known groups. 1686065 - SSH connections get closed when time-based rekeyring is used and ClientAliveMaxCount=0 1691045 - Rebase OpenSSH to latest release (8.0p1?) 1707485 - Use high-level API to do signatures 1712436 - MD5 is used when writing password protected PEM 1732424 - ssh-keygen -A fails in FIPS mode because of DSA key 1732449 - rsa-sha2-*-cert-v01@openssh.com host key types are ignored in FIPS despite being in the policy 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): aarch64: openssh-askpass-8.0p1-3.el8.aarch64.rpm openssh-askpass-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-cavs-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-clients-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-debugsource-8.0p1-3.el8.aarch64.rpm openssh-keycat-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-ldap-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-server-debuginfo-8.0p1-3.el8.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.aarch64.rpm ppc64le: openssh-askpass-8.0p1-3.el8.ppc64le.rpm openssh-askpass-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-cavs-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-clients-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-debugsource-8.0p1-3.el8.ppc64le.rpm openssh-keycat-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-ldap-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-server-debuginfo-8.0p1-3.el8.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.ppc64le.rpm s390x: openssh-askpass-8.0p1-3.el8.s390x.rpm openssh-askpass-debuginfo-8.0p1-3.el8.s390x.rpm openssh-cavs-debuginfo-8.0p1-3.el8.s390x.rpm openssh-clients-debuginfo-8.0p1-3.el8.s390x.rpm openssh-debuginfo-8.0p1-3.el8.s390x.rpm openssh-debugsource-8.0p1-3.el8.s390x.rpm openssh-keycat-debuginfo-8.0p1-3.el8.s390x.rpm openssh-ldap-debuginfo-8.0p1-3.el8.s390x.rpm openssh-server-debuginfo-8.0p1-3.el8.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.s390x.rpm x86_64: openssh-askpass-8.0p1-3.el8.x86_64.rpm openssh-askpass-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-cavs-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-clients-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-debugsource-8.0p1-3.el8.x86_64.rpm openssh-keycat-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-ldap-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-server-debuginfo-8.0p1-3.el8.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.x86_64.rpm Red Hat Enterprise Linux BaseOS (v. 8): Source: openssh-8.0p1-3.el8.src.rpm aarch64: openssh-8.0p1-3.el8.aarch64.rpm openssh-askpass-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-cavs-8.0p1-3.el8.aarch64.rpm openssh-cavs-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-clients-8.0p1-3.el8.aarch64.rpm openssh-clients-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-debugsource-8.0p1-3.el8.aarch64.rpm openssh-keycat-8.0p1-3.el8.aarch64.rpm openssh-keycat-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-ldap-8.0p1-3.el8.aarch64.rpm openssh-ldap-debuginfo-8.0p1-3.el8.aarch64.rpm openssh-server-8.0p1-3.el8.aarch64.rpm openssh-server-debuginfo-8.0p1-3.el8.aarch64.rpm pam_ssh_agent_auth-0.10.3-7.3.el8.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.aarch64.rpm ppc64le: openssh-8.0p1-3.el8.ppc64le.rpm openssh-askpass-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-cavs-8.0p1-3.el8.ppc64le.rpm openssh-cavs-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-clients-8.0p1-3.el8.ppc64le.rpm openssh-clients-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-debugsource-8.0p1-3.el8.ppc64le.rpm openssh-keycat-8.0p1-3.el8.ppc64le.rpm openssh-keycat-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-ldap-8.0p1-3.el8.ppc64le.rpm openssh-ldap-debuginfo-8.0p1-3.el8.ppc64le.rpm openssh-server-8.0p1-3.el8.ppc64le.rpm openssh-server-debuginfo-8.0p1-3.el8.ppc64le.rpm pam_ssh_agent_auth-0.10.3-7.3.el8.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.ppc64le.rpm s390x: openssh-8.0p1-3.el8.s390x.rpm openssh-askpass-debuginfo-8.0p1-3.el8.s390x.rpm openssh-cavs-8.0p1-3.el8.s390x.rpm openssh-cavs-debuginfo-8.0p1-3.el8.s390x.rpm openssh-clients-8.0p1-3.el8.s390x.rpm openssh-clients-debuginfo-8.0p1-3.el8.s390x.rpm openssh-debuginfo-8.0p1-3.el8.s390x.rpm openssh-debugsource-8.0p1-3.el8.s390x.rpm openssh-keycat-8.0p1-3.el8.s390x.rpm openssh-keycat-debuginfo-8.0p1-3.el8.s390x.rpm openssh-ldap-8.0p1-3.el8.s390x.rpm openssh-ldap-debuginfo-8.0p1-3.el8.s390x.rpm openssh-server-8.0p1-3.el8.s390x.rpm openssh-server-debuginfo-8.0p1-3.el8.s390x.rpm pam_ssh_agent_auth-0.10.3-7.3.el8.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.el8.s390x.rpm x86_64: openssh-8.0p1-3.el8.x86_64.rpm openssh-askpass-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-cavs-8.0p1-3.el8.x86_64.rpm openssh-cavs-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-clients-8.0p1-3.el8.x86_64.rpm openssh-clients-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-debugsource-8.0p1-3.el8.x86_64.rpm openssh-keycat-8.0p1-3.el8.x86_64.rpm openssh-keycat-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-ldap-8.0p1-3.el8.x86_64.rpm openssh-ldap-debuginfo-8.0p1-3.el8.x86_64.rpm openssh-server-8.0p1-3.el8.x86_64.rpm openssh-server-debuginfo-8.0p1-3.el8.x86_64.rpm pam_ssh_agent_auth-0.10.3-7.3.el8.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.3.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-2018-20685 https://access.redhat.com/security/cve/CVE-2019-6109 https://access.redhat.com/security/cve/CVE-2019-6111 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXcHzKNzjgjWX9erEAQiytQ/6Apphov2V0QmnXA+KO3ZZKBPXtgKv8Sv1 dPtXhTC+Keq4yX9/bXlIuyk6BUsMeaiIMlL5bSSKtq2I7rVxwubTcPX4rD+pQvx8 ArNJgn7U2/3xqwc0R8dNXx6o8vB1M6jXDtu8fKJOxW48evDJf6gE4gX2KUM9yxR2 MhCoHVkLp9a5f0T11yFPI11H0P8gXXQgboAkdt82Ui35T4tD8RndVyPCsllN2c/X QCCbvZ9e8OLJJoxsOryLcw8tpQHXK2AJMXWv0Us99kQtbaBULWWahhrg/tftLxtT pILFBaB/RsmGg1O6OkxJ2CuKl6ATC2Wlj/Z7uYPrS7MQDn+fXkH2gfcjb4Z4rqIL IyKbUpsyFEAaV5rJUeRaS7dGfuQldQbS96P8lUpCcOXPbYD8FgTrW2q3NjOKgYMU +gh2xPwmlRm+iYfmedPoR2+bTWNYv8JS+Cp/fZF4IFx2EJPQcxKLYshNKgcfkNkR rIZ4brUI79p84H01TcTh4mFAbR63Y+c36UAI3/fM/W/RkZn/PdoJtpfwg/tjOYZH rt9kL7SfAEhjHNtBuJGNol6e124srS6300hnfFovAr6llDOcYlrh3ZgVZjVrn6E8 TZhyZ84TGMOqykfH7B9XkJH82X+x3rd2m0ovCPq+Ly62BasdXVd0C2snzbx8OAM8 I+am8dhVlyM= =iPw4 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce