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USN-3885-1: OpenSSH vulnerabilities

7 February 2019

Several security issues were fixed in OpenSSH.



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


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.

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.

Related notices

  • USN-3885-2: openssh-server, openssh, openssh-server-udeb, ssh, openssh-client-ssh1, openssh-client-udeb, ssh-krb5, openssh-sftp-server, openssh-client, ssh-askpass-gnome