CVE-2020-14362

2020-08-2600:00:00

ubuntu.com

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

20.2%

JSON

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer
underflow leading to heap-buffer overflow may lead to a privilege
escalation vulnerability. The highest threat from this vulnerability is to
data confidentiality and integrity as well as system availability.

Notes

Author	Note
mdeslaur	xorg server is actually the xorg-server package the xorg package only contains docs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxorg-server< 2:1.19.6-1ubuntu4.5UNKNOWN
ubuntu20.04noarchxorg-server< 2:1.20.8-2ubuntu2.3UNKNOWN
ubuntu14.04noarchxorg-server< 2:1.15.1-0ubuntu2.11+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchxorg-server< 2:1.18.4-0ubuntu0.9UNKNOWN
ubuntu16.04noarchxorg-server-hwe-16.04< 2:1.19.6-1ubuntu4.1~16.04.3UNKNOWN
ubuntu18.04noarchxorg-server-hwe-18.04< 2:1.20.8-2ubuntu2.2~18.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	xorg-server	< 2:1.19.6-1ubuntu4.5	UNKNOWN
ubuntu	20.04	noarch	xorg-server	< 2:1.20.8-2ubuntu2.3	UNKNOWN
ubuntu	14.04	noarch	xorg-server	< 2:1.15.1-0ubuntu2.11+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	xorg-server	< 2:1.18.4-0ubuntu0.9	UNKNOWN
ubuntu	16.04	noarch	xorg-server-hwe-16.04	< 2:1.19.6-1ubuntu4.1~16.04.3	UNKNOWN
ubuntu	18.04	noarch	xorg-server-hwe-18.04	< 2:1.20.8-2ubuntu2.2~18.04.2	UNKNOWN