CentOS 7 : gdm / libX11 / libxkbcommon / xorg-x11-drv-ati / xorg-x11-drv-vesa / etc (CESA-2019:2079)

critical Nessus Plugin ID 128349

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Synopsis

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

Description

An update for Xorg is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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) :

* libX11: Crash on invalid reply in XListExtensions in ListExt.c (CVE-2018-14598)

* libX11: Off-by-one error in XListExtensions in ListExt.c (CVE-2018-14599)

* libX11: Out of Bounds write in XListExtensions in ListExt.c (CVE-2018-14600)

* libxkbcommon: Invalid free in ExprAppendMultiKeysymList resulting in a crash (CVE-2018-15857)

* libxkbcommon: Endless recursion in xkbcomp/expr.c resulting in a crash (CVE-2018-15853)

* libxkbcommon: NULL pointer dereference resulting in a crash (CVE-2018-15854)

* libxkbcommon: NULL pointer dereference when handling xkb_geometry (CVE-2018-15855)

* libxkbcommon: Infinite loop when reaching EOL unexpectedly resulting in a crash (CVE-2018-15856)

* libxkbcommon: NULL pointer dereference when parsing invalid atoms in ExprResolveLhs resulting in a crash (CVE-2018-15859)

* libxkbcommon: NULL pointer dereference in ExprResolveLhs resulting in a crash (CVE-2018-15861)

* libxkbcommon: NULL pointer dereference in LookupModMask resulting in a crash (CVE-2018-15862)

* libxkbcommon: NULL pointer dereference in ResolveStateAndPredicate resulting in a crash (CVE-2018-15863)

* libxkbcommon: NULL pointer dereference in resolve_keysym resulting in a crash (CVE-2018-15864)

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

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 128349

File Name: centos_RHSA-2019-2079.nasl

Version: 1.5

Type: local

Agent: unix

Family: CentOS Local Security Checks

Published: 8/30/2019

Updated: 2/7/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2018-14599

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:gdm, p-cpe:/a:centos:centos:gdm-devel, p-cpe:/a:centos:centos:gdm-pam-extensions-devel, p-cpe:/a:centos:centos:libx11, p-cpe:/a:centos:centos:libx11-common, p-cpe:/a:centos:centos:libx11-devel, p-cpe:/a:centos:centos:libxkbcommon, p-cpe:/a:centos:centos:libxkbcommon-devel, p-cpe:/a:centos:centos:libxkbcommon-x11, p-cpe:/a:centos:centos:libxkbcommon-x11-devel, p-cpe:/a:centos:centos:xorg-x11-drv-ati, p-cpe:/a:centos:centos:xorg-x11-drv-vesa, p-cpe:/a:centos:centos:xorg-x11-drv-wacom, p-cpe:/a:centos:centos:xorg-x11-drv-wacom-devel, 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/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2/5/2020

Vulnerability Publication Date: 8/24/2018

Reference Information

CVE: CVE-2018-14598, CVE-2018-14599, CVE-2018-14600, CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862, CVE-2018-15863, CVE-2018-15864

RHSA: 2019:2079

Detections

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