Issued:

2024-01-24

Updated:

2024-01-24

RHSA-2024:0429 - Moderate: openssh security update

Synopsis

Moderate: openssh security update

Type/Severity

Security Advisory Moderate

Topic

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 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.

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):

• ssh: Prefix truncation attack on Binary Packet Protocol (BPP) (CVE-2023-48795)

• openssh: potential command injection via shell metacharacters (CVE-2023-51385)

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.

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.

Affected Products

Updated Packages

• openssh-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• pam_ssh_agent_auth-0.10.3-7.15.el8_6.3.s390x.rpm
• openssh-askpass-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• pam_ssh_agent_auth-0.10.3-7.15.el8_6.3.x86_64.rpm
• openssh-clients-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-server-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-ldap-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-clients-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-cavs-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-cavs-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-clients-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-ldap-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-ldap-8.0p1-15.el8_6.3.s390x.rpm
• openssh-server-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-keycat-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-debugsource-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-cavs-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-askpass-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-keycat-8.0p1-15.el8_6.3.x86_64.rpm
• pam_ssh_agent_auth-0.10.3-7.15.el8_6.3.aarch64.rpm
• openssh-server-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-cavs-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-clients-8.0p1-15.el8_6.3.s390x.rpm
• openssh-keycat-8.0p1-15.el8_6.3.s390x.rpm
• pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.3.ppc64le.rpm
• pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.3.x86_64.rpm
• openssh-clients-8.0p1-15.el8_6.3.x86_64.rpm
• pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.3.aarch64.rpm
• openssh-keycat-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-8.0p1-15.el8_6.3.s390x.rpm
• openssh-cavs-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-debugsource-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-server-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-clients-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-ldap-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-8.0p1-15.el8_6.3.src.rpm
• openssh-ldap-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-cavs-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-server-8.0p1-15.el8_6.3.s390x.rpm
• openssh-askpass-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-debugsource-8.0p1-15.el8_6.3.s390x.rpm
• openssh-keycat-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-clients-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-ldap-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-ldap-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-cavs-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-cavs-8.0p1-15.el8_6.3.s390x.rpm
• openssh-server-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• pam_ssh_agent_auth-debuginfo-0.10.3-7.15.el8_6.3.s390x.rpm
• openssh-askpass-8.0p1-15.el8_6.3.s390x.rpm
• openssh-keycat-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-askpass-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-keycat-debuginfo-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-server-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-askpass-debuginfo-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-debugsource-8.0p1-15.el8_6.3.aarch64.rpm
• pam_ssh_agent_auth-0.10.3-7.15.el8_6.3.ppc64le.rpm
• openssh-server-8.0p1-15.el8_6.3.x86_64.rpm
• openssh-askpass-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-clients-debuginfo-8.0p1-15.el8_6.3.ppc64le.rpm
• openssh-askpass-8.0p1-15.el8_6.3.aarch64.rpm
• openssh-ldap-debuginfo-8.0p1-15.el8_6.3.s390x.rpm
• openssh-keycat-8.0p1-15.el8_6.3.aarch64.rpm

Fixes

• This content is not included.BZ - 2254210
• This content is not included.BZ - 2255271

CVEs

• CVE-2023-48795
• CVE-2023-51385

References

• https://access.redhat.com/security/updates/classification/#moderate

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.