Ausführen von Code mit höheren Privilegien in xorg-x11-server
ID: | RHSA-2021:2033-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Mi, 19. Mai 2021, 23:30 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2021-3472 |
Applikationen: | X11 |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: xorg-x11-server security update Advisory ID: RHSA-2021:2033-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2033 Issue date: 2021-05-19 CVE Names: CVE-2021-3472 ===================================================================== 1. Summary: An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - 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: XChangeFeedbackControl integer underflow leads to privilege escalation (CVE-2021-3472) 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/): 1944167 - CVE-2021-3472 xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: xorg-x11-server-1.20.4-16.el7_9.src.rpm x86_64: xorg-x11-server-Xephyr-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-common-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): noarch: xorg-x11-server-source-1.20.4-16.el7_9.noarch.rpm x86_64: xorg-x11-server-Xdmx-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.i686.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-devel-1.20.4-16.el7_9.i686.rpm xorg-x11-server-devel-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): Source: xorg-x11-server-1.20.4-16.el7_9.src.rpm noarch: xorg-x11-server-source-1.20.4-16.el7_9.noarch.rpm x86_64: xorg-x11-server-Xdmx-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xephyr-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-common-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.i686.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-devel-1.20.4-16.el7_9.i686.rpm xorg-x11-server-devel-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: xorg-x11-server-1.20.4-16.el7_9.src.rpm ppc64: xorg-x11-server-Xephyr-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-common-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.ppc64.rpm ppc64le: xorg-x11-server-Xephyr-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-common-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.ppc64le.rpm s390x: xorg-x11-server-Xephyr-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-common-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.s390x.rpm x86_64: xorg-x11-server-Xephyr-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-common-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): noarch: xorg-x11-server-source-1.20.4-16.el7_9.noarch.rpm ppc64: xorg-x11-server-Xdmx-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.ppc.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.ppc64.rpm xorg-x11-server-devel-1.20.4-16.el7_9.ppc.rpm xorg-x11-server-devel-1.20.4-16.el7_9.ppc64.rpm ppc64le: xorg-x11-server-Xdmx-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.ppc64le.rpm xorg-x11-server-devel-1.20.4-16.el7_9.ppc64le.rpm s390x: xorg-x11-server-Xdmx-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.s390x.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.s390x.rpm x86_64: xorg-x11-server-Xdmx-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.i686.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-devel-1.20.4-16.el7_9.i686.rpm xorg-x11-server-devel-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: xorg-x11-server-1.20.4-16.el7_9.src.rpm x86_64: xorg-x11-server-Xephyr-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xorg-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-common-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): noarch: xorg-x11-server-source-1.20.4-16.el7_9.noarch.rpm x86_64: xorg-x11-server-Xdmx-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xnest-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xvfb-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-Xwayland-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.i686.rpm xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm xorg-x11-server-devel-1.20.4-16.el7_9.i686.rpm xorg-x11-server-devel-1.20.4-16.el7_9.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-2021-3472 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is |