USN-6144-1: LibreOffice vulnerabilities

Publication date

7 June 2023

Overview

Several security issues were fixed in LibreOffice.


Packages

Details

It was discovered that LibreOffice did not properly validate the number of
parameters passed to the formula interpreter, leading to an array index
underflow attack. If a user were tricked into opening a specially crafted
spreadsheet file, an attacker could possibly use this issue to execute
arbitrary code. (CVE-2023-0950)

Amel Bouziane-Leblond discovered that LibreOffice did not prompt the user
before loading the host document inside an IFrame. If a user were tricked
into opening a specially crafted input file, an attacker could possibly use
this issue to cause information disclosure or execute arbitrary code.
(CVE-2023-2255)

It was discovered that LibreOffice did not properly validate the number of
parameters passed to the formula interpreter, leading to an array index
underflow attack. If a user were tricked into opening a specially crafted
spreadsheet file, an attacker could possibly use this issue to execute
arbitrary code. (CVE-2023-0950)

Amel Bouziane-Leblond discovered that LibreOffice did not prompt the user
before loading the host document inside an IFrame. If a user were tricked
into opening a specially crafted input file, an attacker could possibly use
this issue to cause information disclosure or execute arbitrary code.
(CVE-2023-2255)

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
22.04 jammy libreoffice –  1:7.3.7-0ubuntu0.22.04.3
20.04 focal libreoffice –  1:6.4.7-0ubuntu0.20.04.8

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