USN-6560-3: OpenSSH vulnerability

16 September 2024

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

References

Related notices

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading