USN-3579-1: LibreOffice vulnerability

Ubuntu Security Notice USN-3579-1

21st February, 2018

libreoffice vulnerability

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

• Ubuntu 17.10
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

LibreOffice would allow unintended access to files over the network.

Software description

• libreoffice - Office productivity suite

Details

It was discovered that =WEBSERVICE calls in a document could be used to
read arbitrary files. If a user were tricked in to opening a specially
crafted document, a remote attacker could exploit this to obtain sensitive
information. (CVE-2018-6871)

Update instructions

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

Ubuntu 17.10:

libreoffice-core 1:5.4.5-0ubuntu0.17.10.1

Ubuntu 16.04 LTS:

libreoffice-core 1:5.1.6~rc2-0ubuntu1~xenial3

Ubuntu 14.04 LTS:

libreoffice-core 1:4.2.8-0ubuntu5.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart LibreOffice to make
all the necessary changes.

References

CVE-2018-6871

from Ubuntu Security Notices http://ift.tt/2CdOigV