1. Ubuntu Security Notices
  2. USN-6859-1

USN-6859-1: OpenSSH vulnerability

Publication date

1 July 2024

Overview

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

Releases

Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
24.04 noble openssh-client –  1:9.6p1-3ubuntu13.3
openssh-server –  1:9.6p1-3ubuntu13.3
23.10 mantic openssh-client –  1:9.3p1-1ubuntu3.6
openssh-server –  1:9.3p1-1ubuntu3.6
22.04 jammy openssh-client –  1:8.9p1-3ubuntu0.10
openssh-server –  1:8.9p1-3ubuntu0.10

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References

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