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Red Hat Enterprise Linux 9: RHSA-2023:4412-01 Important OpenSSH RCE

red hat
Calendar Grey August 1, 2023
Dist Redhat Esm H88
Red Hat announced a critical security patch for OpenSSH. Discover the steps to implement it and understand its effects on RHEL 9.
An update for openssh is now available for Red Hat Enterprise Linux 9

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat remote code execution important openssh linux 9

References

https://access.redhat.com/security/cve/CVE-2023-38408 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: openssh-askpass-8.7p1-30.el9_2.aarch64.rpm openssh-askpass-debuginfo-8.7p1-30.el9_2.aarch64.rpm openssh-clients-debuginfo-8.7p1-30.el9_2.aarch64.rpm openssh-debuginfo-8.7p1-30.el9_2.aarch64.rpm openssh-debugsource-8.7p1-30.el9_2.aarch64.rpm openssh-keycat-debuginfo-8.7p1-30.el9_2.aarch64.rpm openssh-server-debuginfo-8.7p1-30.el9_2.aarch64.rpm openssh-sk-dummy-debuginfo-8.7p1-30.el9_2.aarch64.rpm pam_ssh_agent_auth-0.10.4-5.30.el9_2.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.30.el9_2.aarch64.rpm
ppc64le: openssh-askpass-8.7p1-30.el9_2.ppc64le.rpm openssh-askpass-debuginfo-8.7p1-30.el9_2.ppc64le.rpm openssh-clients-debuginfo-8.7p1-30.el9_2.ppc64le.rpm openssh-debuginfo-8.7p1-30.el9_2.ppc64le.rpm openssh-debugsource-8.7p1-30.el9_2.ppc64le.rpm openssh-keycat-debuginfo-8.7p1-30.el9_2.ppc64le.rpm openssh-server-debuginfo-8.7p1-30.el9_2.ppc64le.rpm openssh-sk-dummy-debuginfo-8.7p1-30.el9_2.ppc64le.rpm pam_ssh_agent_auth-0.10.4-5.30.el9_2.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.30.el9_2.ppc64le.rpm
s390x: openssh-askpass-8.7p1-30.el9_2.s390x.rpm openssh-askpass-debuginfo-8.7p1-30.el9_2.s390x.rpm openssh-clients-debuginfo-8.7p1-30.el9_2.s390x.rpm openssh-debuginfo-8.7p1-30.el9_2.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4412-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4412
Issue date: 2023-08-01

Topic

An update for openssh is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat remote code execution important openssh linux 9

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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