USN-4048-1: Docker vulnerabilities

Publication date

8 July 2019

Overview

Docker could be made to overwrite files as the administrator.


Packages

Details

Aleksa Sarai discovered that Docker was vulnerable to a directory traversal
attack. An attacker could use this vulnerability to read and write arbitrary
files on the host filesystem as root.

Aleksa Sarai discovered that Docker was vulnerable to a directory traversal
attack. An attacker could use this vulnerability to read and write arbitrary
files on the host filesystem as root.

Update instructions

This update uses a new upstream release, which includes additional bug fixes. 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
19.04 disco docker.io –  18.09.7-0ubuntu1~19.04.4
18.10 cosmic docker.io –  18.09.7-0ubuntu1~18.10.3
18.04 bionic docker.io –  18.09.7-0ubuntu1~18.04.3
16.04 xenial docker.io –  18.09.7-0ubuntu1~16.04.4

Reduce your security exposure

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Have additional questions?

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