Log in Start free

Vulnerability · Published Dec 13, 2023 · Assigned by redhat

CVE-2023-6478Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty

High 7.6

In plain English

A high-severity integer overflow in Red Hat Enterprise Linux 6 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.6High
Exploit odds (30 days)1.6%top 23.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8tigervnc1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-icons1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-icons1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-license1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-license1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-selinux1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-selinux1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-server1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-server1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-server-minimal1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-server-minimal1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8tigervnc-server-module1.13.1-2.el8_9.4.alma.1ALSA-2024:0018
AlmaLinux:9tigervnc-server-module1.13.1-3.el9_3.3.alma.1ALSA-2024:0010
AlmaLinux:8xorg-x11-server-Xdmx1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-Xdmx1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-Xephyr1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-Xephyr1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-Xnest1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-Xnest1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-Xorg1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-Xorg1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-Xvfb1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-Xvfb1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-Xwayland21.1.3-15.el8ALSA-2024:2996
AlmaLinux:9xorg-x11-server-Xwayland22.1.9-5.el9ALSA-2024:2170
AlmaLinux:8xorg-x11-server-common1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-common1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-devel1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-devel1.20.11-24.el9ALSA-2024:2169
AlmaLinux:8xorg-x11-server-source1.20.11-22.el8ALSA-2024:2995
AlmaLinux:9xorg-x11-server-source1.20.11-24.el9ALSA-2024:2169
Alpine:v3.20xorg-server21.1.10-r0ALPINE-CVE-2023-6478
Alpine:v3.21xorg-server21.1.10-r0ALPINE-CVE-2023-6478
Alpine:v3.22xorg-server21.1.10-r0ALPINE-CVE-2023-6478
Alpine:v3.23xorg-server21.1.10-r0ALPINE-CVE-2023-6478
Alpine:v3.24xorg-server21.1.10-r0ALPINE-CVE-2023-6478
Debian:12xorg-server2:21.1.7-3+deb12u3DEBIAN-CVE-2023-6478
Debian:12xorg-server2:21.1.7-3+deb12u3DSA-5576-1
Debian:13xorg-server2:21.1.10-1DEBIAN-CVE-2023-6478
Debian:14xorg-server2:21.1.10-1DEBIAN-CVE-2023-6478
Debian:12xwaylandno fix listedDEBIAN-CVE-2023-6478
Debian:13xwayland2:23.2.3-1DEBIAN-CVE-2023-6478
Debian:14xwayland2:23.2.3-1DEBIAN-CVE-2023-6478
Ubuntu:22.04:LTSxorg-server2:21.1.4-2ubuntu1.7~22.04.5UBUNTU-CVE-2023-6478
Ubuntu:22.04:LTSxorg-server2:21.1.4-2ubuntu1.7~22.04.5USN-6555-1
Ubuntu:24.04:LTSxorg-server2:21.1.10-1ubuntu1UBUNTU-CVE-2023-6478
Ubuntu:22.04:LTSxwayland2:22.1.1-1ubuntu0.9UBUNTU-CVE-2023-6478
Ubuntu:22.04:LTSxwayland2:22.1.1-1ubuntu0.9USN-6555-1

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support see references
Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 6 see references

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

References