==========================================================================
Ubuntu Security Notice USN-3885-1
February 07, 2019
openssh vulnerabilities
==========================================================================
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:
Several security issues were fixed in OpenSSH.
Software Description:
– openssh: secure shell (SSH) for secure access to remote machines
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 1:7.7p1-4ubuntu0.2
Ubuntu 18.04 LTS:
openssh-client 1:7.6p1-4ubuntu0.2
Ubuntu 16.04 LTS:
openssh-client 1:7.2p2-4ubuntu2.7
Ubuntu 14.04 LTS:
openssh-client 1:6.6p1-2ubuntu2.12
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3885-1
CVE-2018-20685, CVE-2019-6109, CVE-2019-6111
Package Information:
https://launchpad.net/ubuntu/+source/openssh/1:7.7p1-4ubuntu0.2
https://launchpad.net/ubuntu/+source/openssh/1:7.6p1-4ubuntu0.2
https://launchpad.net/ubuntu/+source/openssh/1:7.2p2-4ubuntu2.7
https://launchpad.net/ubuntu/+source/openssh/1:6.6p1-2ubuntu2.12
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