Detections
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CentOS 8 : userspace graphics, xorg-x11, and mesa (CESA-2021:1804)

high Nessus Plugin ID 149765

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Synopsis

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

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1804 advisory.

 - libX11: Heap overflow in the X input method client (CVE-2020-14344)

 - 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: Leak of uninitialized heap memory from the X server to clients in AllocatePixmap of dix/pixmap.c (CVE-2020-14347)

 - xorg-x11-server: Out-of-bounds access in XkbSetMap function (CVE-2020-14360)

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

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

 - libX11: integer overflow leads to double free in locale handling (CVE-2020-14363)

 - xorg-x11-server: XkbSetDeviceInfo heap-based buffer overflow privilege escalation vulnerability (CVE-2020-25712)

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

https://access.redhat.com/errata/RHSA-2021:1804

Plugin Details

Severity: High

ID: 149765

File Name: centos8_RHSA-2021-1804.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/19/2021

Updated: 12/29/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.8

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

CVSS Score Source: CVE-2020-14360

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2020-25712

Vulnerability Information

CPE: p-cpe:/a:centos:centos:xorg-x11-server-common, p-cpe:/a:centos:centos:libinput, p-cpe:/a:centos:centos:mesa-libglapi, p-cpe:/a:centos:centos:mesa-libosmesa, p-cpe:/a:centos:centos:xorg-x11-server-xorg, p-cpe:/a:centos:centos:libwacom-devel, p-cpe:/a:centos:centos:libx11-common, p-cpe:/a:centos:centos:mesa-dri-drivers, p-cpe:/a:centos:centos:mesa-libgl-devel, p-cpe:/a:centos:centos:libx11-xcb, p-cpe:/a:centos:centos:libx11-devel, cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:egl-wayland, p-cpe:/a:centos:centos:mesa-vdpau-drivers, p-cpe:/a:centos:centos:mesa-filesystem, p-cpe:/a:centos:centos:xorg-x11-server-xvfb, p-cpe:/a:centos:centos:libinput-utils, p-cpe:/a:centos:centos:mesa-libxatracker, p-cpe:/a:centos:centos:libglvnd-devel, p-cpe:/a:centos:centos:mesa-libegl, p-cpe:/a:centos:centos:libwacom, p-cpe:/a:centos:centos:xorg-x11-server-source, p-cpe:/a:centos:centos:mesa-libgbm-devel, p-cpe:/a:centos:centos:mesa-libosmesa-devel, p-cpe:/a:centos:centos:xorg-x11-server-devel, p-cpe:/a:centos:centos:mesa-libegl-devel, p-cpe:/a:centos:centos:xorg-x11-drivers, p-cpe:/a:centos:centos:mesa-libgbm, p-cpe:/a:centos:centos:libglvnd-glx, p-cpe:/a:centos:centos:xorg-x11-server-xwayland, p-cpe:/a:centos:centos:libinput-devel, p-cpe:/a:centos:centos:mesa-vulkan-drivers, p-cpe:/a:centos:centos:libdrm-devel, p-cpe:/a:centos:centos:libx11, p-cpe:/a:centos:centos:libglvnd-opengl, p-cpe:/a:centos:centos:libglvnd, p-cpe:/a:centos:centos:mesa-libgl, p-cpe:/a:centos:centos:libdrm, p-cpe:/a:centos:centos:xorg-x11-server-xdmx, p-cpe:/a:centos:centos:xorg-x11-server-xephyr, p-cpe:/a:centos:centos:mesa-vulkan-devel, p-cpe:/a:centos:centos:libglvnd-core-devel, p-cpe:/a:centos:centos:libwacom-data, p-cpe:/a:centos:centos:xorg-x11-server-xnest, p-cpe:/a:centos:centos:libglvnd-egl, p-cpe:/a:centos:centos:libglvnd-gles

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 8/5/2020

Reference Information

CVE: CVE-2020-14344, CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14360, CVE-2020-14361, CVE-2020-14362, CVE-2020-14363, CVE-2020-25712

RHSA: 2021:1804