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Red Hat Enterprise Linux 6: RHSA-2023:4428-01 Important OpenSSH RCE

red hat
Calendar Grey August 2, 2023
Dist Redhat Esm H88
Critical patch released for OpenSSH in RHEL 6 to fix severe remote code execution vulnerability; vital for maintaining system security.
An update for openssh is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support

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 remote code execution important open source red hat enterprise linux openssh rhel 6

References

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

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: openssh-5.3p1-125.el6_10.src.rpm
i386: openssh-5.3p1-125.el6_10.i686.rpm openssh-askpass-5.3p1-125.el6_10.i686.rpm openssh-clients-5.3p1-125.el6_10.i686.rpm openssh-debuginfo-5.3p1-125.el6_10.i686.rpm openssh-server-5.3p1-125.el6_10.i686.rpm
s390x: openssh-5.3p1-125.el6_10.s390x.rpm openssh-askpass-5.3p1-125.el6_10.s390x.rpm openssh-clients-5.3p1-125.el6_10.s390x.rpm openssh-debuginfo-5.3p1-125.el6_10.s390x.rpm openssh-server-5.3p1-125.el6_10.s390x.rpm
x86_64: openssh-5.3p1-125.el6_10.x86_64.rpm openssh-askpass-5.3p1-125.el6_10.x86_64.rpm openssh-clients-5.3p1-125.el6_10.x86_64.rpm openssh-debuginfo-5.3p1-125.el6_10.x86_64.rpm openssh-server-5.3p1-125.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386: openssh-debuginfo-5.3p1-125.el6_10.i686.rpm openssh-ldap-5.3p1-125.el6_10.i686.rpm pam_ssh_agent_auth-0.9.3-125.el6_10.i686.rpm
s390x: openssh-debuginfo-5.3p1-125.el6_10.s390.rpm openssh-debuginfo-5.3p1-125.el6_10.s390x.rpm openssh-ldap-5.3p1-125.el6_10.s390x.rpm pam_ssh_agent_auth-0.9.3-125.el6_10.s390.rpm pam_ssh_agent_auth-0.9.3-125.el6_10.s390x.rpm
x86_64: openssh-debuginfo-5.3p1-125.el6_10.i686.rpm openssh-debuginfo-5.3p1-125.el6_10.x86_64.rpm openssh-ldap-5.3p1-125.el6_10.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4428-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4428
Issue date: 2023-08-02

Topic

An update for openssh is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support.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 remote code execution important open source red hat enterprise linux openssh rhel 6

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

Bugs Fixed

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

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