Executive Summary

Summary
Title Docker vulnerability
Informations
Name USN-4103-2 First vendor Publication 2019-08-19
Vendor Ubuntu Last vendor Modification 2019-08-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4103-2
https://usn.ubuntu.com/4103-1
CVE-2019-1020014

Package Information:
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~19.04.5
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~18.04.4
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~16.04.5

Original Source

Url : http://www.ubuntu.com/usn/USN-4103-2

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-415 Double Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3
Os 1

Alert History

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0
Date Informations
2019-08-19 21:19:11
  • First insertion