USN-6144-1: LibreOffice vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• libreoffice - Office productivity suite

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)

Update instructions

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

Ubuntu 22.04

• libreoffice - 1:7.3.7-0ubuntu0.22.04.3

Ubuntu 20.04

• libreoffice - 1:6.4.7-0ubuntu0.20.04.8

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

References

• CVE-2023-2255
• CVE-2023-0950