CVE-2020-14346

CVE Details

Release Date:	2020-09-15
Impact:	None	What is this?

Description

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

See more information about CVE-2020-14346 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (xorg-x11-server)	ELSA-2020-4953	2020-11-06
Oracle Linux version 7 (xorg-x11-server)	ELSA-2020-4910	2020-11-06
Oracle Linux version 8 (egl-wayland)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (libX11)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (libdrm)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (libglvnd)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (libinput)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (libwacom)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (mesa)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (xorg-x11-drivers)	ELSA-2021-1804	2021-05-25
Oracle Linux version 8 (xorg-x11-server)	ELSA-2021-1804	2021-05-25