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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <e1b7a84b-4aaf-55a0-f2b4-ce0311efe44f@canonical.com>
Subject: [USN-3885-2] OpenSSH vulnerability

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==========================================================================
Ubuntu Security Notice USN-3885-2
March 04, 2019

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

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 18.10:
  openssh-client                  1:7.7p1-4ubuntu0.3

Ubuntu 18.04 LTS:
  openssh-client                  1:7.6p1-4ubuntu0.3

Ubuntu 16.04 LTS:
  openssh-client                  1:7.2p2-4ubuntu2.8

Ubuntu 14.04 LTS:
  openssh-client                  1:6.6p1-2ubuntu2.13

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

References:
  https://usn.ubuntu.com/usn/usn-3885-2
  https://usn.ubuntu.com/usn/usn-3885-1
  CVE-2019-6111

Package Information:
  https://launchpad.net/ubuntu/+source/openssh/1:7.7p1-4ubuntu0.3
  https://launchpad.net/ubuntu/+source/openssh/1:7.6p1-4ubuntu0.3
  https://launchpad.net/ubuntu/+source/openssh/1:7.2p2-4ubuntu2.8
  https://launchpad.net/ubuntu/+source/openssh/1:6.6p1-2ubuntu2.13


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