CVE-2020-14363

CVE Details

Release Date:	2020-09-11
Impact:	None	What is this?

Description

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

See more information about CVE-2020-14363 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 (libX11)	ELSA-2020-4946	2020-11-06
Oracle Linux version 7 (libX11)	ELSA-2020-4908	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
Oracle VM version 3.4 (libX11)	OVMSA-2020-0048	2020-11-06