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USN-3885-2: OpenSSH vulnerability

4 March 2019

One of the fixes in USN-3885-1 was incomplete.

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Releases

Packages

  • openssh - secure shell (SSH) for secure access to remote machines

Details

USN-3885-1 fixed vulnerabilities in OpenSSH. It was discovered that the fix
for CVE-2019-6111 turned out to be incomplete. This update fixes the
problem.

Original advisory details:

Harry Sintonen discovered multiple issues in the OpenSSH scp utility. If a
user or automated system were tricked into connecting to an untrusted
server, a remote attacker could possibly use these issues to write to
arbitrary files, change directory permissions, and spoof client output.

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 18.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-3885-1: openssh, ssh-krb5, openssh-server, ssh-askpass-gnome, openssh-sftp-server, openssh-client-ssh1, openssh-server-udeb, openssh-client-udeb, ssh, openssh-client