USN-4048-1: Docker vulnerabilities

8 July 2019

Docker could be made to overwrite files as the administrator.

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Releases

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 19.04
Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References

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Further reading