Home / mailings [RHSA-2020:4953-01] Important: xorg-x11-server security update
Posted on 05 November 2020
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: xorg-x11-server security update
Advisory ID: RHSA-2020:4953-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4953
Issue date: 2020-11-05
Cross references: RHSA-2020:65429-03
CVE Names: CVE-2020-14345 CVE-2020-14346 CVE-2020-14361
CVE-2020-14362
=====================================================================
1. Summary:
An update for xorg-x11-server is now available for Red Hat Enterprise Linux
6.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, noarch, x86_64
3. Description:
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: 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)
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.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1862241 - CVE-2020-14345 xorg-x11-server: Out-of-bounds access in XkbSetNames function
1862246 - CVE-2020-14346 xorg-x11-server: Integer underflow in the X input extension protocol
1869142 - CVE-2020-14361 xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability
1869144 - CVE-2020-14362 xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
xorg-x11-server-1.17.4-18.el6_10.src.rpm
i386:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-common-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
x86_64:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-common-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
noarch:
xorg-x11-server-source-1.17.4-18.el6_10.noarch.rpm
x86_64:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
xorg-x11-server-1.17.4-18.el6_10.src.rpm
noarch:
xorg-x11-server-source-1.17.4-18.el6_10.noarch.rpm
x86_64:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xephyr-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-common-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
xorg-x11-server-1.17.4-18.el6_10.src.rpm
i386:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-common-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
ppc64:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-common-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.ppc64.rpm
s390x:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.s390x.rpm
xorg-x11-server-common-1.17.4-18.el6_10.s390x.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.s390x.rpm
x86_64:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-common-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
noarch:
xorg-x11-server-source-1.17.4-18.el6_10.noarch.rpm
ppc64:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.ppc.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.ppc64.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.ppc.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.ppc64.rpm
s390x:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.s390x.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.s390x.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.s390x.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.s390x.rpm
x86_64:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
xorg-x11-server-1.17.4-18.el6_10.src.rpm
i386:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-common-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
x86_64:
xorg-x11-server-Xephyr-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xorg-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-common-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
noarch:
xorg-x11-server-source-1.17.4-18.el6_10.noarch.rpm
x86_64:
xorg-x11-server-Xdmx-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xnest-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-Xvfb-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.i686.rpm
xorg-x11-server-devel-1.17.4-18.el6_10.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-14345
https://access.redhat.com/security/cve/CVE-2020-14346
https://access.redhat.com/security/cve/CVE-2020-14361
https://access.redhat.com/security/cve/CVE-2020-14362
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
