CVE-2017-13723

2017-10-0900:00:00

ubuntu.com

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

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