1. Ubuntu Security Notices
  2. USN-4103-2

USN-4103-2: Docker vulnerability

Publication date

19 August 2019

Overview

Docker could be made to crash or run programs as your login.

Releases

Packages

Details

Jasiel Spelman discovered that a double free existed in the docker-credential-
helpers dependency of Docker. A local attacker could use this to cause a denial of service
(crash) or possibly execute arbitrary code.

Original advisory details:

Jasiel Spelman discovered that a double free existed in docker-credential-
helpers. A local attacker could use this to cause a denial of service
(crash) or possibly execute arbitrary code.

Jasiel Spelman discovered that a double free existed in the docker-credential-
helpers dependency of Docker. A local attacker could use this to cause a denial of service
(crash) or possibly execute arbitrary code.

Original advisory details:

Jasiel Spelman discovered that a double free existed in docker-credential-
helpers. A local attacker could use this to cause a denial of service
(crash) or possibly execute arbitrary code.

Update instructions

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 –  18.09.7-0ubuntu1~19.04.5
18.04 bionic docker.io –  18.09.7-0ubuntu1~18.04.4
16.04 xenial docker.io –  18.09.7-0ubuntu1~16.04.5

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References

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