USN-3210-1: LibreOffice vulnerability

23 February 2017

LibreOffice vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

LibreOffice could be made to disclose files if it opened a specially crafted file.

Software Description

  • libreoffice - Office productivity suite

Details

Ben Hayak discovered that it was possible to make LibreOffice Calc and Writer disclose arbitrary files to an attacker if a user opened a specially crafted file with embedded links.

Update instructions

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

Ubuntu 16.04 LTS
libreoffice - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-base - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-base-core - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-calc - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-common - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-core - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-math - 1:5.1.6~rc2-0ubuntu1~xenial1
libreoffice-writer - 1:5.1.6~rc2-0ubuntu1~xenial1
Ubuntu 14.04 LTS
libreoffice - 1:4.2.8-0ubuntu5
libreoffice-base - 1:4.2.8-0ubuntu5
libreoffice-base-core - 1:4.2.8-0ubuntu5
libreoffice-calc - 1:4.2.8-0ubuntu5
libreoffice-common - 1:4.2.8-0ubuntu5
libreoffice-core - 1:4.2.8-0ubuntu5
libreoffice-math - 1:4.2.8-0ubuntu5
libreoffice-writer - 1:4.2.8-0ubuntu5
Ubuntu 12.04 LTS
libreoffice - 1:3.5.7-0ubuntu13
libreoffice-base - 1:3.5.7-0ubuntu13
libreoffice-base-core - 1:3.5.7-0ubuntu13
libreoffice-calc - 1:3.5.7-0ubuntu13
libreoffice-common - 1:3.5.7-0ubuntu13
libreoffice-core - 1:3.5.7-0ubuntu13
libreoffice-math - 1:3.5.7-0ubuntu13
libreoffice-writer - 1:3.5.7-0ubuntu13

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