USN-5661-1: LibreOffice vulnerabilities

Publication date

6 October 2022

Overview

Several security issues were fixed in LibreOffice.

Releases


Packages

Details

It was discovered that LibreOffice incorrectly validated macro signatures.
If a user were tricked into opening a specially crafted document, a remote
attacker could possibly use this issue to execute arbitrary macros.
(CVE-2022-26305)

It was discovered that Libreoffice incorrectly handled encrypting the
master key provided by the user for storing passwords for web connections.
A local attacker could possibly use this issue to obtain access to
passwords stored in the user’s configuration data. (CVE-2022-26306,
CVE-2022-26307)

It was discovered that LibreOffice incorrectly validated macro signatures.
If a user were tricked into opening a specially crafted document, a remote
attacker could possibly use this issue to execute arbitrary macros.
(CVE-2022-26305)

It was discovered that Libreoffice incorrectly handled encrypting the
master key provided by the user for storing passwords for web connections.
A local attacker could possibly use this issue to obtain access to
passwords stored in the user’s configuration data. (CVE-2022-26306,
CVE-2022-26307)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal libreoffice –  1:6.4.7-0ubuntu0.20.04.5

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