CVE-2023-0494
published 2023-03-27CVE-2023-0494: A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and…
PriorityP343high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.90%
55.6th percentile
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Affected
44 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | xorg-server | < xorg-server 2:21.1.7-1 (bookworm) | xorg-server 2:21.1.7-1 (bookworm) |
| debian | xwayland | < xorg-server 2:21.1.7-1 (bookworm) | xorg-server 2:21.1.7-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux_aus | — | — |
| redhat | enterprise_linux_aus | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_for_ibm_z_systems | — | — |
| redhat | enterprise_linux_for_ibm_z_systems | — | — |
| redhat | enterprise_linux_for_ibm_z_systems_eus | — | — |
| redhat | enterprise_linux_for_ibm_z_systems_eus | — | — |
| redhat | enterprise_linux_for_power_big_endian | — | — |
| redhat | enterprise_linux_for_power_little_endian | — | — |
| redhat | enterprise_linux_for_power_little_endian | — | — |
| redhat | enterprise_linux_for_power_little_endian | — | — |
| redhat | enterprise_linux_for_power_little_endian_eus | — | — |
| redhat | enterprise_linux_for_power_little_endian_eus | — | — |
| redhat | enterprise_linux_for_scientific_computing | — | — |
| redhat | enterprise_linux_server | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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OSV
CVE-2023-0494: A vulnerability was found in X
osv·2023-03-27·CVSS 7.8
CVE-2023-0494 [HIGH] CVE-2023-0494: A vulnerability was found in X
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
GHSA
GHSA-5v6x-2hpj-c37x: A vulnerability was found in X
ghsa_unreviewed·2023-03-27
CVE-2023-0494 [HIGH] CWE-416 GHSA-5v6x-2hpj-c37x: A vulnerability was found in X
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
CISA ICS
Siemens SCALANCE XCM-/XRM-300
cisa_ics·2024-02-15
Siemens SCALANCE XCM-/XRM-300
ICS Advisory
##
Siemens SCALANCE XCM-/XRM-300
Release DateFebruary 15, 2024
Alert CodeICSA-24-046-11
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: SCALANCE XCM-/XRM-300
- Vulnerabilities: Out-of-bounds Write, Incorrect Type Conversion or Cast, Improper Verification of Cryptographic Signature, Improper Access Control, Improper Authentication, Missing Encryption
Ubuntu
X.Org X Server vulnerabilities
vendor_ubuntu·2023-02-16
CVE-2022-46344 X.Org X Server vulnerabilities
Title: X.Org X Server vulnerabilities
Summary: Several security issues were fixed in X.Org X Server.
USN-5778-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Jan-Niklas Sohn discovered that X.Org X Server extensions contained
multiple security issues. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
privileges.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
BSD
OpenBSD 7.2 Errata 019: SECURITY FIX
bsd_advisories·2023-02-07·CVSS 7.8
CVE-2023-0494 [HIGH] OpenBSD 7.2 Errata 019: SECURITY FIX
OpenBSD 7.2 Errata 019: SECURITY FIX
019: SECURITY FIX: February 7, 2023
All architectures CVE-2023-0494: use after free in the Xinput X server extension.
Ubuntu
X.Org X Server vulnerability
vendor_ubuntu·2023-02-07
CVE-2023-0494 X.Org X Server vulnerability
Title: X.Org X Server vulnerability
Summary: X.Org X Server could be made to crash or run programs as the administrator
if it received specially crafted input.
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain memory operations. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
privileges.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
BSD
OpenBSD 7.1 Errata 023: SECURITY FIX
bsd_advisories·2023-02-07·CVSS 7.8
CVE-2023-0494 [HIGH] OpenBSD 7.1 Errata 023: SECURITY FIX
OpenBSD 7.1 Errata 023: SECURITY FIX
023: SECURITY FIX: February 7, 2023
All architectures CVE-2023-0494: use after free in the Xinput X server extension.
Red Hat
xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
vendor_redhat·2023-02-07·CVSS 7.8
CVE-2023-0494 [HIGH] CWE-416 xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forward
Debian
CVE-2023-0494: xorg-server - A vulnerability was found in X.Org. This issue occurs due to a dangling pointer ...
vendor_debian·2023·CVSS 7.8
CVE-2023-0494 [HIGH] CVE-2023-0494: xorg-server - A vulnerability was found in X.Org. This issue occurs due to a dangling pointer ...
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Scope: local
bookworm: resolved (fixed in 2:21.1.7-1)
bullseye: resolved (fixed in 2:1.20.11-1+deb11u5)
forky: resolved (fixed in 2:21.1.7-1)
sid: resolved (fixed in 2:21.1.7-1)
trixie: resolved (fixed in 2:21.1.7-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.redhat.com/show_bug.cgi?id=2165995https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71echttps://lists.x.org/archives/xorg-announce/2023-February/003320.htmlhttps://security.gentoo.org/glsa/202305-30https://bugzilla.redhat.com/show_bug.cgi?id=2165995https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71echttps://lists.x.org/archives/xorg-announce/2023-February/003320.htmlhttps://security.gentoo.org/glsa/202305-30
2023-03-27
Published