Detections
Analytics

CentOS 7 : xorg-x11-server (CESA-2020:4910)

high Nessus Plugin ID 142607

Language:

Synopsis

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

Description

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4910 advisory.

 - xorg-x11-server: Out-of-bounds access in XkbSetNames function (CVE-2020-14345)

 - xorg-x11-server: Integer underflow in the X input extension protocol (CVE-2020-14346)

 - xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability (CVE-2020-14361)

 - xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability (CVE-2020-14362)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?1533b21d

https://cwe.mitre.org/data/definitions/119.html

https://cwe.mitre.org/data/definitions/190.html

Plugin Details

Severity: High

ID: 142607

File Name: centos_RHSA-2020-4910.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/6/2020

Updated: 11/30/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-14362

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/6/2020

Vulnerability Publication Date: 9/15/2020

Reference Information

CVE: CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362

CWE: 119, 190

RHSA: 2020:4910