Ubuntu 4047-1: Moderate Threat From Libvirt API Security Issue

ubuntu

July 8, 2019

Several security issues were fixed in libvirt.

Summary

Several security issues were fixed in libvirt.

Software Description:

- libvirt: Libvirt virtualization toolkit

Details:

Matthias Gerstner and Ján Tomko discovered that libvirt incorrectly handled

certain API calls. An attacker could possibly use this issue to check for

arbitrary files, or execute arbitrary binaries. In the default

installation, attackers would be isolated by the libvirt AppArmor profile.

Topics Covered

security advisory Ubuntu arbitrary file access libvirt API security issue

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  libvirt-clients                 5.0.0-1ubuntu2.4
  libvirt-daemon                  5.0.0-1ubuntu2.4
  libvirt0                        5.0.0-1ubuntu2.4

Ubuntu 18.10:
  libvirt-clients                 4.6.0-2ubuntu3.8
  libvirt-daemon                  4.6.0-2ubuntu3.8
  libvirt0                        4.6.0-2ubuntu3.8

Ubuntu 18.04 LTS:
  libvirt-clients                 4.0.0-1ubuntu8.12
  libvirt-daemon                  4.0.0-1ubuntu8.12
  libvirt0                        4.0.0-1ubuntu8.12

Ubuntu 16.04 LTS:
  libvirt-bin                     1.3.1-1ubuntu10.27
  libvirt0                        1.3.1-1ubuntu10.27

After a standard system update you need to reboot your computer to make
all the necessary changes.