SUSE-SU-2023:4905-1: Security update for openssh

Published Dec 20, 2023
ยท
Updated

This update for openssh fixes the following issues: CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity (bsc#1217950).

Affected Software

40 affected componentsFixes available
All of the following
SUSE SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (aarch64 x86_64)
Any of the following
suse/openssh-helpers<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-fips<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-helpers-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
All of the following
SUSE SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (aarch64 ppc64le s390x x86_64)
Any of the following
suse/openssh-helpers<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-fips<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-helpers-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
All of the following
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP1 (ppc64le x86_64)
Any of the following
suse/openssh-helpers<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-fips<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-helpers-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
All of the following
SUSE SUSE CaaS Platform 4.0 (x86_64)
Any of the following
suse/openssh-helpers<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-fips<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-helpers-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-askpass-gnome-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debuginfo<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1
suse/openssh-debugsource<7.9p1-150100.6.34.1
7.9p1-150100.6.34.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/openssh-helpers to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  2. Upgrade

    Upgrade suse/openssh-fips to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  3. Upgrade

    Upgrade suse/openssh-helpers-debuginfo to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  4. Upgrade

    Upgrade suse/openssh-askpass-gnome-debugsource to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  5. Upgrade

    Upgrade suse/openssh to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  6. Upgrade

    Upgrade suse/openssh-askpass-gnome to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  7. Upgrade

    Upgrade suse/openssh-askpass-gnome-debuginfo to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  8. Upgrade

    Upgrade suse/openssh-debuginfo to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  9. Upgrade

    Upgrade suse/openssh-debugsource to a version that resolves this vulnerability.

    Fixed in 7.9p1-150100.6.34.1
  10. Upgrade

    Upgrade SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4905=1
  11. Upgrade

    Upgrade SUSE Linux Enterprise Server 15 SP1 LTSS to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-4905=1
  12. Upgrade

    Upgrade SUSE Linux Enterprise Server for SAP Applications 15 SP1 to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-4905=1

Event History

Dec 20, 2023
Advisory Published
08:36 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Which OpenSSH package variants are covered by this update?

The update covers openssh, openssh-fips, openssh-helpers, openssh-askpass-gnome, and their listed debuginfo or debugsource packages.

2

Which vulnerability identifier should be used for tracking this issue?

Track this issue as CVE-2023-48795. The advisory also references SUSE bug 1217950.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
ยฉ 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203