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AUSCERT External Security Bulletin Redistribution
ESB-2019.3171
USN-4103-1: docker-credential-helpers vulnerability
20 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: docker
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-1020014
Original Bulletin:
https://usn.ubuntu.com/4103-1/
https://usn.ubuntu.com/4103-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running docker-credential-helpers check for an updated version of
the software for their operating system.
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USN-4103-2: Docker vulnerability
19 August 2019
Docker vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Docker could be made to crash or run programs as your login.
Software Description
o 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
o USN-4103-1
o CVE-2019-1020014
- ------------------------------------------------------------------------------
USN-4103-1: docker-credential-helpers vulnerability
19 August 2019
docker-credential-helpers vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
Summary
docker-credential-helpers could be made to crash or run programs as your login
Software Description
o golang-github-docker-docker-credential-helpers - Use native stores to
safeguard Docker credentials
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
golang-docker-credential-helpers - 0.6.1-1ubuntu0.1
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
o CVE-2019-1020014
- --------------------------END INCLUDED TEXT--------------------
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