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Ubuntu: USN-3453-1 (CVE-2017-13723): X.Org X server vulnerabilities

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Ubuntu: USN-3453-1 (CVE-2017-13723): X.Org X server vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
10/09/2017
Created
07/25/2018
Added
10/12/2017
Modified
04/25/2018

Description

In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.

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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