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Ubuntu Security Notice USN-4063-1

Ubuntu Security Notice USN-4063-1
Posted Jul 17, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4063-1 - Nils Emmerich discovered that LibreOffice incorrectly handled LibreLogo scripts. If a user were tricked into opening a specially crafted document, a remote attacker could cause LibreOffice to execute arbitrary code. Matei "Mal" Badanoiu discovered that LibreOffice incorrectly handled stealth mode. Contrary to expectations, bullet graphics could be retrieved from remote locations when running in stealth mode. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-9848, CVE-2019-9849
MD5 | 5c4a3cb496c551255388e2750ed2e624

Ubuntu Security Notice USN-4063-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4063-1
July 17, 2019

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

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in LibreOffice.

Software Description:
- libreoffice: Office productivity suite

Details:

Nils Emmerich discovered that LibreOffice incorrectly handled LibreLogo
scripts. If a user were tricked into opening a specially crafted document,
a remote attacker could cause LibreOffice to execute arbitrary code.
(CVE-2019-9848)

Matei "Mal" Badanoiu discovered that LibreOffice incorrectly handled
stealth mode. Contrary to expectations, bullet graphics could be retrieved
from remote locations when running in stealth mode. (CVE-2019-9849)

Update instructions:

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

Ubuntu 19.04:
libreoffice-core 1:6.2.5-0ubuntu0.19.04.1

Ubuntu 18.04 LTS:
libreoffice-core 1:6.0.7-0ubuntu0.18.04.8

Ubuntu 16.04 LTS:
libreoffice-core 1:5.1.6~rc2-0ubuntu1~xenial8

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

References:
https://usn.ubuntu.com/4063-1
CVE-2019-9848, CVE-2019-9849

Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:6.2.5-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/libreoffice/1:6.0.7-0ubuntu0.18.04.8
https://launchpad.net/ubuntu/+source/libreoffice/1:5.1.6~rc2-0ubuntu1~xenial8

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