==========================================================================
Ubuntu Security Notice USN-6859-1
July 01, 2024

openssh vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS

Summary:

OpenSSH could be made to bypass authentication and remotely
access systems without proper credentials.

Software Description:
- openssh: secure shell (SSH) for secure access to remote machines

Details:

It was discovered that OpenSSH incorrectly handled signal management. A
remote attacker could use this issue to bypass authentication and remotely
access systems without proper credentials.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  openssh-client                  1:9.6p1-3ubuntu13.3
  openssh-server                  1:9.6p1-3ubuntu13.3

Ubuntu 23.10
  openssh-client                  1:9.3p1-1ubuntu3.6
  openssh-server                  1:9.3p1-1ubuntu3.6

Ubuntu 22.04 LTS
  openssh-client                  1:8.9p1-3ubuntu0.10
  openssh-server                  1:8.9p1-3ubuntu0.10

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-6859-1
  CVE-2024-6387

Package Information:
  https://launchpad.net/ubuntu/+source/openssh/1:9.6p1-3ubuntu13.3
  https://launchpad.net/ubuntu/+source/openssh/1:9.3p1-1ubuntu3.6
  https://launchpad.net/ubuntu/+source/openssh/1:8.9p1-3ubuntu0.10

Ubuntu 6859-1: OpenSSH Security Advisory Updates

July 1, 2024
OpenSSH could be made to bypass authentication and remotely access systems without proper credentials.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS Summary: OpenSSH could be made to bypass authentication and remotely access systems without proper credentials. Software Description: - openssh: secure shell (SSH) for secure access to remote machines Details: It was discovered that OpenSSH incorrectly handled signal management. A remote attacker could use this issue to bypass authentication and remotely access systems without proper credentials.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS openssh-client 1:9.6p1-3ubuntu13.3 openssh-server 1:9.6p1-3ubuntu13.3 Ubuntu 23.10 openssh-client 1:9.3p1-1ubuntu3.6 openssh-server 1:9.3p1-1ubuntu3.6 Ubuntu 22.04 LTS openssh-client 1:8.9p1-3ubuntu0.10 openssh-server 1:8.9p1-3ubuntu0.10 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6859-1

CVE-2024-6387

Severity
Ubuntu Security Notice USN-6859-1

Package Information

https://launchpad.net/ubuntu/+source/openssh/1:9.6p1-3ubuntu13.3 https://launchpad.net/ubuntu/+source/openssh/1:9.3p1-1ubuntu3.6 https://launchpad.net/ubuntu/+source/openssh/1:8.9p1-3ubuntu0.10

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