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Ubuntu Security Notice USN-3273-1
May 02, 2017

libreoffice vulnerabilities
==========================================================================

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

– Ubuntu 16.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

LibreOffice could be made to crash or run programs as your login if it
opened a specially crafted EMF file.

Software Description:
– libreoffice: Office productivity suite

Details:

It was discovered that LibreOffice incorrectly handled EMF image files.
If a user were tricked into opening a specially crafted EMF image file, a
remote attacker could cause LibreOffice to crash, and possibly execute
arbitrary code.

Update instructions:

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

Ubuntu 16.10:
libreoffice-core 1:5.2.2-0ubuntu2.1

Ubuntu 16.04 LTS:
libreoffice-core 1:5.1.6~rc2-0ubuntu1~xenial2

Ubuntu 14.04 LTS:
libreoffice-core 1:4.2.8-0ubuntu5.1

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

References:
http://www.ubuntu.com/usn/usn-3273-1
CVE-2016-10327, CVE-2017-7870

Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:5.2.2-0ubuntu2.1
https://launchpad.net/ubuntu/+source/libreoffice/1:5.1.6~rc2-0ubuntu1~xenial2
https://launchpad.net/ubuntu/+source/libreoffice/1:4.2.8-0ubuntu5.1

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