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Ubuntu: USN-3453-1 (CVE-2017-13721): X.Org X server vulnerabilities

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Ubuntu: USN-3453-1 (CVE-2017-13721): X.Org X server vulnerabilities

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:P)
Published
10/09/2017
Created
07/25/2018
Added
10/12/2017
Modified
03/02/2020

Description

In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.

Solution(s)

  • ubuntu-upgrade-xserver-xorg-core
  • ubuntu-upgrade-xserver-xorg-core-hwe-16-04
  • ubuntu-upgrade-xserver-xorg-core-lts-xenial

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