-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== 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 . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6PLU9zjgjWX9erEAQg1qQ/7Bf3wtFZiIjIGReYqhlCxKMqfUWs+wLHD kUjnWaxaX1ghsfVJXmMCgAi7eL/Ax9CwRq5H2KB1CSRvjLAokBBxQBYLckooVz/B 5LmZdpdflidOAt93K7JRY8WqmRTawFAVhXjphbXPXp2AGgq/2wKPR/2pa2zV/Ozk uPXN4VL4QZ89sGAdxsDe0qKfJVSAOcZAILgq+nRWJ4q9tdaTmbWiGT5cDK+XQewB dX+X8n8TU7BNBL0BFXfBR9XkIBG6K2LwufLvpaNMQbYVVRaYUzxP+SAgvHbYsSnM INRDvPKqVKNaAtoBkztRJDMsux5gkx33jB2u3oUHHEJo5aCwfpNOBbAF85KJrXsA epXG7RyYjWsN2qzp5tHH7Nxi7r0LyaQPktN7W8N+p8lYhA53kFbJfQQJpGKT9GJN HRHuq+N/sf4KzPTuyVHbo3/mRr2ZEoK4dxHXuo3MMI5z4wM9H7XlNwkw2kh/X3J3 rF9XTr1NfmBqt4v7ys6xbDq50bP5r8k6nU6xjpPhSGPDgUJZ/Y78KkpCRrF9tGp9 5cLg4BR5C33CHMlmA4JMMiBGpSAeclfbq+ez4pNGWlBQ+hdOqVHhgNBOTupPOK4A 2kw84fzqH6dyvSKSatKQD7hPrNrymXATKA7h0+GvobCMU/lm3i1JwmYWCHHzd7zN 6AJ31iApxTQ=tHei -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce