Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

RHEL 8.4: RHSA-2023-4381-01 Important: OpenSSH Remote Execution Issue

red hat
Calendar Grey August 1, 2023
Dist Redhat Esm H88
Red Hat has released an essential patch for OpenSSH addressing critical remote execution flaws found in multiple environments.
An update for openssh is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, an...

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 software update remote code execution important openssh RHEL 8.4

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 AUS (v.8.4):
x86_64: openssh-askpass-8.0p1-7.el8_4.x86_64.rpm openssh-askpass-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-cavs-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-clients-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-debugsource-8.0p1-7.el8_4.x86_64.rpm openssh-keycat-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-ldap-debuginfo-8.0p1-7.el8_4.x86_64.rpm openssh-server-debuginfo-8.0p1-7.el8_4.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.7.el8_4.1.x86_64.rpm
Red Hat Enterprise Linux AppStream E4S (v.8.4):
aarch64: openssh-askpass-8.0p1-7.el8_4.aarch64.rpm openssh-askpass-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-cavs-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-clients-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-debugsource-8.0p1-7.el8_4.aarch64.rpm openssh-keycat-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-ldap-debuginfo-8.0p1-7.el8_4.aarch64.rpm openssh-server-debuginfo-8.0p1-7.el8_4.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.3-7.7.el8_4.1.aarch64.rpm
ppc64le: openssh-askpass-8.0p1-7.el8_4.ppc64le.rpm openssh-askpass-debuginfo-8.0p1-7.el8_4.ppc64le.rpm openssh-cavs-debuginfo-8.0p1-7.el8_4.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4381-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4381
Issue date: 2023-08-01

Topic

An update for openssh is now available for Red Hat Enterprise Linux 8.4Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 UpdateServices for SAP Solutions.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 software update remote code execution important openssh RHEL 8.4

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream AUS (v.8.4) - x86_64

Red Hat Enterprise Linux AppStream E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream TUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS AUS (v.8.4) - x86_64

Red Hat Enterprise Linux BaseOS E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS TUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here