CVE-2018-14600

CVE Details

Release Date:	2018-08-24
Impact:	Moderate	What is this?

Description

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

See more information about CVE-2018-14600 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:	9.8
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (gdm)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (libX11)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (libxkbcommon)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (mesa-libGLw)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (xorg-x11-drv-ati)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (xorg-x11-drv-vesa)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (xorg-x11-drv-wacom)	ELSA-2019-2079	2019-08-13
Oracle Linux version 7 (xorg-x11-server)	ELSA-2019-2079	2019-08-13