USN-4243-1: libbsd vulnerabilities

Publication date

20 January 2020

Overview

Several security issues were fixed in libbsd.


Packages

  • libbsd - utility functions from BSD systems - development files

Details

It was discovered that libbsd incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
This issue only affected Ubuntu 14.04 ESM. (CVE-2016-2090)

It was discovered that libbsd incorrectly handled certain strings.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-20367)

It was discovered that libbsd incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
This issue only affected Ubuntu 14.04 ESM. (CVE-2016-2090)

It was discovered that libbsd incorrectly handled certain strings.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-20367)

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 libbsd0 –  0.9.1-2ubuntu0.1
18.04 bionic libbsd0 –  0.8.7-1ubuntu0.1
16.04 xenial libbsd0 –  0.8.2-1ubuntu0.1
14.04 trusty libbsd0 –  0.6.0-2ubuntu1+esm1  
12.04 precise libbsd0 –  0.3.0-2ubuntu0.1

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