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Ubuntu Security Notice USN-3472-1
November 02, 2017

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

– Ubuntu 14.04 LTS

Summary:

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

Software Description:
– libreoffice: Office productivity suite

Details:

Marcin Noga discovered that LibreOffice incorrectly handled PPT documents.
If a user were tricked into opening a specially crafted PPT document, a
remote attacker could cause LibreOffice to crash, and possibly execute
arbitrary code. (CVE-2017-12607)

Marcin Noga discovered that LibreOffice incorrectly handled Word documents.
If a user were tricked into opening a specially crafted Word document, a
remote attacker could cause LibreOffice to crash, and possibly execute
arbitrary code. (CVE-2017-12608)

Update instructions:

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

Ubuntu 14.04 LTS:
libreoffice-core 1:4.2.8-0ubuntu5.2

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

References:
https://www.ubuntu.com/usn/usn-3472-1
CVE-2017-12607, CVE-2017-12608

Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:4.2.8-0ubuntu5.2

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