CVE-2020-12802

Publication date 8 June 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

LibreOffice has a 'stealth mode' in which only documents from locations deemed 'trusted' are allowed to retrieve remote resources. This mode is not the default mode, but can be enabled by users who want to disable LibreOffice's ability to include remote resources within a document. A flaw existed where remote graphic links loaded from docx documents were omitted from this protection prior to version 6.4.4. This issue affects: The Document Foundation LibreOffice versions prior to 6.4.4.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libreoffice	22.10 kinetic	Fixed 1:6.4.4-0ubuntu1
	22.04 LTS jammy	Fixed 1:6.4.4-0ubuntu1
	21.10 impish	Fixed 1:6.4.4-0ubuntu1
	21.04 hirsute	Fixed 1:6.4.4-0ubuntu1
	20.10 groovy	Fixed 1:6.4.4-0ubuntu1
	20.04 LTS focal	Fixed 1:6.4.7-0ubuntu0.20.04.1
	19.10 eoan	Ignored end of life
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored end of standard support, was needed
	14.04 LTS trusty	Not in release

Notes

mdeslaur

Fixing this in bionic and earlier releases would require massive code changes and would risk introducing regressions. We will not be fixing this in bionic and earlier.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libreoffice	Upstream: 8922980

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N