1. Ubuntu Security Notices
  2. USN-3885-2

USN-3885-2: OpenSSH vulnerability

Publication date

4 March 2019

Overview

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

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.

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.

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
18.10 cosmic openssh-client –  1:7.7p1-4ubuntu0.3
18.04 bionic openssh-client –  1:7.6p1-4ubuntu0.3
16.04 xenial openssh-client –  1:7.2p2-4ubuntu2.8
14.04 trusty openssh-client –  1:6.6p1-2ubuntu2.13

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References

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