CVE-2018-14598

CVE Details

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

Description

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

See more information about CVE-2018-14598 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:	7.5
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
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