Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-14347

Published: 5 August 2020

A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

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

focal Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Not vulnerable
(code not present)
xorg-server-hwe-18.04
Launchpad, Ubuntu, Debian
bionic
Released (2:1.20.8-2ubuntu2.2~18.04.2)
focal Does not exist

trusty Does not exist

xenial Does not exist

upstream
Released (1.20.9)
xorg-server
Launchpad, Ubuntu, Debian
bionic
Released (2:1.19.6-1ubuntu4.5)
focal
Released (2:1.20.8-2ubuntu2.3)
trusty
Released (2:1.15.1-0ubuntu2.11+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1.20.9)
xenial
Released (2:1.18.4-0ubuntu0.9)
Patches:
upstream: https://gitlab.freedesktop.org/xorg/xserver/-/commit/aac28e162e5108510065ad4c323affd6deffd816
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

trusty Does not exist

upstream
Released (1.20.9)
xenial
Released (2:1.19.6-1ubuntu4.1~16.04.3)
xorg-server-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

focal 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

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

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

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N