Ubuntu Security Notice 3579-3 - USN-3579-1 fixed a vulnerability in LibreOffice. After upgrading, it was no longer possible for LibreOffice to open documents from certain locations outside of the user's home directory. This update fixes the problem. Various other issues were also addressed.
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Ubuntu Security Notice USN-3579-3
March 07, 2018
libreoffice regression
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
Summary:
USN-3579-1 caused a regression in LibreOffice.
Software Description:
- libreoffice: Office productivity suite
Details:
USN-3579-1 fixed a vulnerability in LibreOffice. After upgrading, it was
no longer possible for LibreOffice to open documents from certain
locations outside of the user's home directory. This update fixes the
problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that =WEBSERVICE calls in a document could be used t=
o
read arbitrary files. If a user were tricked in to opening a specially
crafted document, a remote attacker could exploit this to obtain sensiti=
ve
information. (CVE-2018-6871)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
libreoffice-common 1:5.4.5-0ubuntu0.17.10.5
After a standard system update you need to restart LibreOffice to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3579-3
https://usn.ubuntu.com/usn/usn-3579-1
https://launchpad.net/bugs/1751005
Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:5.4.5-0ubuntu0.17.10=
.5
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