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CVE-2017-12186

Published: 12 October 2017

xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Notes

AuthorNote
mdeslaur
same commit as CVE-2017-12184

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
xorg
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was not-affected [code not present])
upstream Not vulnerable

xenial Not vulnerable
(code not present)
zesty Not vulnerable
(code not present)
xorg-server
Launchpad, Ubuntu, Debian
trusty
Released (2:1.15.1-0ubuntu2.11)
upstream
Released (1.19.5)
xenial
Released (2:1.18.4-0ubuntu0.7)
zesty
Released (2:1.19.3-1ubuntu1.3)
Patches:
upstream: https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
trusty Does not exist

upstream
Released (1.19.5)
xenial
Released (2:1.19.3-1ubuntu1~16.04.4)
zesty Does not exist

xorg-server-lts-xenial
Launchpad, Ubuntu, Debian
trusty
Released (2:1.18.3-1ubuntu2.3~trusty4)
upstream
Released (1.19.5)
xenial Does not exist

zesty Does not exist

xorg-hwe-16.04
Launchpad, Ubuntu, Debian
trusty Does not exist

upstream Not vulnerable

xenial Not vulnerable
(code not present)
zesty Does not exist

xorg-server-lts-utopic
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist
(trusty was ignored [end of life])
xenial Does not exist

zesty Does not exist

xorg-server-lts-vivid
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was ignored [end of life])
upstream Needs triage

xenial Does not exist

zesty Does not exist

xorg-server-lts-wily
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was ignored [end of life])
upstream Needs triage

xenial Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
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