CVE-2018-6871

Publication date 9 February 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libreoffice	17.10 artful	Fixed 1:5.4.5-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 1:5.1.6~rc2-0ubuntu1~xenial3
	14.04 LTS trusty	Fixed 1:4.2.8-0ubuntu5.3

Patch details

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

Package	Patch details
libreoffice	Upstream: ?h=libr Upstream: ?h=libr Upstream: ?h=libr Upstream: ?h=libr Upstream: ?h=libr Upstream: ?h=libr

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3579-1
LibreOffice vulnerability
21 February 2018