==========================================================================
Ubuntu Security Notice USN-6560-3
September 16, 2024

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

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

- Ubuntu 16.04 LTS

Summary:

OpenSSH could be made to crash or run programs as your login
if it received a specially crafted input.

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

Details:

USN-6560-2 fixed a vulnerability in OpenSSH. This update provides
the corresponding update for Ubuntu 16.04 LTS.


Original advisory details:

 It was discovered that OpenSSH incorrectly handled user names or host
 names with shell metacharacters. An attacker could possibly use this
 issue to perform OS command injection.

Update instructions:

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

Ubuntu 16.04 LTS
  openssh-client                  1:7.2p2-4ubuntu2.10+esm6
                                  Available with Ubuntu Pro
  openssh-server                  1:7.2p2-4ubuntu2.10+esm6
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-6560-3
  https://ubuntu.com/security/notices/USN-6560-2
  https://ubuntu.com/security/notices/USN-6560-1
  CVE-2023-51385

Ubuntu 6560-3: OpenSSH Security Advisory Updates

September 16, 2024
OpenSSH could be made to crash or run programs as your login if it received a specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: OpenSSH could be made to crash or run programs as your login if it received a specially crafted input. Software Description: - openssh: secure shell (SSH) for secure access to remote machines Details: USN-6560-2 fixed a vulnerability in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS. Original advisory details: It was discovered that OpenSSH incorrectly handled user names or host names with shell metacharacters. An attacker could possibly use this issue to perform OS command injection.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS openssh-client 1:7.2p2-4ubuntu2.10+esm6 Available with Ubuntu Pro openssh-server 1:7.2p2-4ubuntu2.10+esm6 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6560-3

https://ubuntu.com/security/notices/USN-6560-2

https://ubuntu.com/security/notices/USN-6560-1

CVE-2023-51385

Severity
Ubuntu Security Notice USN-6560-3

Package Information

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