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CentOS 7 : xorg-x11-server (CESA-2018:3410)

medium Nessus Plugin ID 119006

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

Security Fix(es) :

* xorg-x11-server: Incorrect permission check in Xorg X server allows for privilege escalation (CVE-2018-14665)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Narendra Shinde for reporting this issue.

Solution

Update the affected xorg-x11-server packages.

See Also

http://www.nessus.org/u?e0914ccc

http://www.nessus.org/u?482da59a

Plugin Details

Severity: Medium

ID: 119006

File Name: centos_RHSA-2018-3410.nasl

Version: 1.8

Type: local

Agent: unix

Published: 11/16/2018

Updated: 4/8/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-14665

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 6.1

Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:xorg-x11-server-xephyr, p-cpe:/a:centos:centos:xorg-x11-server-xnest, p-cpe:/a:centos:centos:xorg-x11-server-source, p-cpe:/a:centos:centos:xorg-x11-server-xwayland, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:xorg-x11-server-xvfb, p-cpe:/a:centos:centos:xorg-x11-server-xdmx, p-cpe:/a:centos:centos:xorg-x11-server-common, p-cpe:/a:centos:centos:xorg-x11-server-devel, p-cpe:/a:centos:centos:xorg-x11-server-xorg

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/13/2018

Vulnerability Publication Date: 10/25/2018

Exploitable With

Metasploit (Xorg X11 Server SUID modulepath Privilege Escalation)

Reference Information

CVE: CVE-2018-14665

RHSA: 2018:3410