CVE-2017-13721

2017-10-0900:00:00

ubuntu.com

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

26.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchxorg-server< 2:1.15.1-0ubuntu2.10UNKNOWN
ubuntu16.04noarchxorg-server< 2:1.18.4-0ubuntu0.6UNKNOWN
ubuntu17.04noarchxorg-server< 2:1.19.3-1ubuntu1.2UNKNOWN
ubuntu16.04noarchxorg-server-hwe-16.04< 2:1.19.3-1ubuntu1~16.04.3UNKNOWN
ubuntu14.04noarchxorg-server-lts-xenial< 2:1.18.3-1ubuntu2.3~trusty3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	xorg-server	< 2:1.15.1-0ubuntu2.10	UNKNOWN
ubuntu	16.04	noarch	xorg-server	< 2:1.18.4-0ubuntu0.6	UNKNOWN
ubuntu	17.04	noarch	xorg-server	< 2:1.19.3-1ubuntu1.2	UNKNOWN
ubuntu	16.04	noarch	xorg-server-hwe-16.04	< 2:1.19.3-1ubuntu1~16.04.3	UNKNOWN
ubuntu	14.04	noarch	xorg-server-lts-xenial	< 2:1.18.3-1ubuntu2.3~trusty3	UNKNOWN