USN-3809-1: OpenSSH vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

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

Details

Robert Swiecki discovered that OpenSSH incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-10708)

It was discovered that OpenSSH incorrectly handled certain requests.
An attacker could possibly use this issue to access sensitive information.
(CVE-2018-15473)

Update instructions

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

Ubuntu 18.04

• openssh-server - 1:7.6p1-4ubuntu0.1

Ubuntu 16.04

• openssh-server - 1:7.2p2-4ubuntu2.6

Ubuntu 14.04

• openssh-server - 1:6.6p1-2ubuntu2.11

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

References

• CVE-2016-10708
• CVE-2018-15473