[RHSA-2023:4413-01] Important: openssh security update

Tue Aug 1 20:22:13 UTC 2023

An update for openssh is now available for Red Hat Enterprise Linux 8.6
Extended Update Support.

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 AppStream EUS (v.8.6) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.6) - 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: Remote code execution in ssh-agent PKCS#11 support
(CVE-2023-38408)

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

After installing this update, the OpenSSH server daemon (sshd) will be
restarted automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

2224173 - CVE-2023-38408 openssh: Remote code execution in ssh-agent PKCS#11 support

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.6):

aarch64:
openssh-askpass-8.0p1-15.el8_6.aarch64.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-debugsource-8.0p1-15.el8_6.aarch64.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.aarch64.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.aarch64.rpm

ppc64le:
openssh-askpass-8.0p1-15.el8_6.ppc64le.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-debugsource-8.0p1-15.el8_6.ppc64le.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.ppc64le.rpm

s390x:
openssh-askpass-8.0p1-15.el8_6.s390x.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-debugsource-8.0p1-15.el8_6.s390x.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.s390x.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.s390x.rpm

x86_64:
openssh-askpass-8.0p1-15.el8_6.x86_64.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-debugsource-8.0p1-15.el8_6.x86_64.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.x86_64.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.x86_64.rpm

Red Hat Enterprise Linux BaseOS EUS (v.8.6):

Source:
openssh-8.0p1-15.el8_6.src.rpm

aarch64:
openssh-8.0p1-15.el8_6.aarch64.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-cavs-8.0p1-15.el8_6.aarch64.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-clients-8.0p1-15.el8_6.aarch64.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-debugsource-8.0p1-15.el8_6.aarch64.rpm
openssh-keycat-8.0p1-15.el8_6.aarch64.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-ldap-8.0p1-15.el8_6.aarch64.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.aarch64.rpm
openssh-server-8.0p1-15.el8_6.aarch64.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.aarch64.rpm
pam_ssh_agent_auth-0.10.3-7.15.el8_6.aarch64.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.aarch64.rpm

ppc64le:
openssh-8.0p1-15.el8_6.ppc64le.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-cavs-8.0p1-15.el8_6.ppc64le.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-clients-8.0p1-15.el8_6.ppc64le.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-debugsource-8.0p1-15.el8_6.ppc64le.rpm
openssh-keycat-8.0p1-15.el8_6.ppc64le.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-ldap-8.0p1-15.el8_6.ppc64le.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
openssh-server-8.0p1-15.el8_6.ppc64le.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.ppc64le.rpm
pam_ssh_agent_auth-0.10.3-7.15.el8_6.ppc64le.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.ppc64le.rpm

s390x:
openssh-8.0p1-15.el8_6.s390x.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-cavs-8.0p1-15.el8_6.s390x.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-clients-8.0p1-15.el8_6.s390x.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-debugsource-8.0p1-15.el8_6.s390x.rpm
openssh-keycat-8.0p1-15.el8_6.s390x.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-ldap-8.0p1-15.el8_6.s390x.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.s390x.rpm
openssh-server-8.0p1-15.el8_6.s390x.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.s390x.rpm
pam_ssh_agent_auth-0.10.3-7.15.el8_6.s390x.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.s390x.rpm

x86_64:
openssh-8.0p1-15.el8_6.x86_64.rpm
openssh-askpass-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-cavs-8.0p1-15.el8_6.x86_64.rpm
openssh-cavs-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-clients-8.0p1-15.el8_6.x86_64.rpm
openssh-clients-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-debugsource-8.0p1-15.el8_6.x86_64.rpm
openssh-keycat-8.0p1-15.el8_6.x86_64.rpm
openssh-keycat-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-ldap-8.0p1-15.el8_6.x86_64.rpm
openssh-ldap-debuginfo-8.0p1-15.el8_6.x86_64.rpm
openssh-server-8.0p1-15.el8_6.x86_64.rpm
openssh-server-debuginfo-8.0p1-15.el8_6.x86_64.rpm
pam_ssh_agent_auth-0.10.3-7.15.el8_6.x86_64.rpm
pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.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-2023-38408
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=MjE7
-----END PGP SIGNATURE-----