Ubuntu Security Notice USN-2793-1
5th November, 2015
libreoffice vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in LibreOffice.
Software description
- libreoffice
– Office productivity suite
Details
Federico Scrinzi discovered that LibreOffice incorrectly handled documents
inserted into Writer or Calc via links. If a user were tricked into opening
a specially crafted document, a remote attacker could possibly obtain the
contents of arbitrary files. (CVE-2015-4551)
It was discovered that LibreOffice incorrectly handled PrinterSetup data
stored in ODF files. If a user were tricked into opening a specially
crafted ODF document, a remote attacker could cause LibreOffice to crash,
and possibly execute arbitrary code. (CVE-2015-5212)
It was discovered that LibreOffice incorrectly handled the number of pieces
in DOC files. If a user were tricked into opening a specially crafted DOC
document, a remote attacker could cause LibreOffice to crash, and possibly
execute arbitrary code. (CVE-2015-5213)
It was discovered that LibreOffice incorrectly handled bookmarks in DOC
files. If a user were tricked into opening a specially crafted DOC
document, a remote attacker could cause LibreOffice to crash, and possibly
execute arbitrary code. (CVE-2015-5214)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libreoffice-core
1:4.4.6~rc3-0ubuntu1
- Ubuntu 14.04 LTS:
-
libreoffice-core
1:4.2.8-0ubuntu3
- Ubuntu 12.04 LTS:
-
libreoffice-core
1:3.5.7-0ubuntu9
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.