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CVE-2020-14360

Published: 1 December 2020

A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Notes

AuthorNote
mdeslaur
xorg server is actually the xorg-server package
the xorg package only contains docs
alexmurray
ZDI-CAN 11572
mdeslaur
241f2b140738b592d762e6e4a43945d9aed3ebb3

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
xorg
Launchpad, Ubuntu, Debian
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable

xenial Not vulnerable
(code not present)
xorg-hwe-16.04
Launchpad, Ubuntu, Debian
focal Does not exist

bionic Does not exist

groovy Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Not vulnerable
(code not present)
xorg-hwe-18.04
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Does not exist

xorg-server
Launchpad, Ubuntu, Debian
bionic
Released (2:1.19.6-1ubuntu4.8)
focal
Released (2:1.20.8-2ubuntu2.6)
groovy
Released (2:1.20.9-2ubuntu1.1)
trusty
Released (2:1.15.1-0ubuntu2.11+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (2:1.18.4-0ubuntu0.11)
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2:1.19.6-1ubuntu4.1~16.04.5)
xorg-server-hwe-18.04
Launchpad, Ubuntu, Debian
bionic
Released (2:1.20.8-2ubuntu2.2~18.04.4)
focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

xorg-server-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

xorg-server-lts-vivid
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

xorg-server-lts-wily
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

xorg-server-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H