USN-4103-2: Docker vulnerability
Docker vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Docker could be made to crash or run programs as your login.
Software Description
- docker.io – Linux container runtime
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- docker.io – 18.09.7-0ubuntu1~19.04.5
- Ubuntu 18.04 LTS
- docker.io – 18.09.7-0ubuntu1~18.04.4
- Ubuntu 16.04 LTS
- docker.io – 18.09.7-0ubuntu1~16.04.5
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4103-2: Docker vulnerability
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