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CVE-2022-4283

Status Candidate

Overview

A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

Related Files

Ubuntu Security Notice USN-5778-2
Posted Feb 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5778-2 - 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. 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.

tags | advisory, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-4283, CVE-2022-46343
SHA-256 | e7ba5ef83a008cc8bccee7f12c84a4c8a116777a1cd83f5f98694a7c068efe9e
Red Hat Security Advisory 2023-0045-01
Posted Jan 10, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0045-01 - Virtual Network Computing is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Issues addressed include out of bounds access and use-after-free vulnerabilities.

tags | advisory, remote, vulnerability
systems | linux, redhat
advisories | CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344
SHA-256 | b44be7a01e0df67bebb6e2b5ce2713b93f0eca8b9d150b1fda8acef44bd4e455
Red Hat Security Advisory 2023-0046-01
Posted Jan 10, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0046-01 - 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. Issues addressed include out of bounds access and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344
SHA-256 | 0c26fecadd9ad673ce37c61040f50966727b4724075c12f9e1247d78890d1945
Apple Security Advisory 2022-12-13-8
Posted Dec 22, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-12-13-8 - watchOS 9.2 addresses bypass, code execution, integer overflow, out of bounds write, spoofing, and use-after-free vulnerabilities.

tags | advisory, overflow, spoof, vulnerability, code execution
systems | apple
advisories | CVE-2022-40303, CVE-2022-40304, CVE-2022-42837, CVE-2022-42842, CVE-2022-42843, CVE-2022-42845, CVE-2022-42849, CVE-2022-42852, CVE-2022-42859, CVE-2022-42863, CVE-2022-42864, CVE-2022-42865, CVE-2022-42866, CVE-2022-42867
SHA-256 | cbfa8ceb09614901b4b0bb05115fb58ae50c3fb04ef6395b18e75c81436f174b
Apple Security Advisory 2022-12-13-4
Posted Dec 22, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-12-13-4 - macOS Ventura 13.1 addresses bypass, code execution, out of bounds access, out of bounds write, spoofing, and use-after-free vulnerabilities.

tags | advisory, spoof, vulnerability, code execution
systems | apple
advisories | CVE-2022-24836, CVE-2022-29181, CVE-2022-32942, CVE-2022-32943, CVE-2022-42837, CVE-2022-42840, CVE-2022-42841, CVE-2022-42842, CVE-2022-42843, CVE-2022-42845, CVE-2022-42847, CVE-2022-42852, CVE-2022-42853, CVE-2022-42854
SHA-256 | b3bbef4a98914d0e5167d5e357e15f513f9d357c6df7cfdad446ecc8856061ac
Apple Security Advisory 2022-12-13-2
Posted Dec 22, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-12-13-2 - iOS 15.7.2 and iPadOS 15.7.2 addresses bypass, code execution, integer overflow, out of bounds write, and spoofing vulnerabilities.

tags | advisory, overflow, spoof, vulnerability, code execution
systems | apple, ios
advisories | CVE-2022-40303, CVE-2022-40304, CVE-2022-42837, CVE-2022-42840, CVE-2022-42846, CVE-2022-42848, CVE-2022-42852, CVE-2022-42855, CVE-2022-42856, CVE-2022-42861, CVE-2022-42864, CVE-2022-46689, CVE-2022-46691, CVE-2022-46692
SHA-256 | e526cdedd8ce35da09dee49922c773c4c21c09a4f4ffb9a56567d00adb6def9c
Apple Security Advisory 2022-12-13-1
Posted Dec 22, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-12-13-1 - iOS 16.2 and iPadOS 16.2 addresses bypass, code execution, out of bounds write, spoofing, and use-after-free vulnerabilities.

tags | advisory, spoof, vulnerability, code execution
systems | apple, ios
advisories | CVE-2022-32943, CVE-2022-42837, CVE-2022-42840, CVE-2022-42842, CVE-2022-42843, CVE-2022-42844, CVE-2022-42845, CVE-2022-42846, CVE-2022-42848, CVE-2022-42849, CVE-2022-42850, CVE-2022-42851, CVE-2022-42852, CVE-2022-42855
SHA-256 | 78f3785639474b90779ccf98f62a9a102f01f943fd8dbf08927b91ea945c5a8c
Debian Security Advisory 5304-1
Posted Dec 22, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5304-1 - Jan-Niklas Sohn discovered several vulnerabilities in X server extensions in the X.Org X server, which may result in privilege escalation if the X server is running privileged.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344
SHA-256 | 508f81d2425867fcd49249440c89ccced2f68761180bd7a71e0b59a81c4d5089
Ubuntu Security Notice USN-5778-1
Posted Dec 14, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5778-1 - 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.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-4283, CVE-2022-46343
SHA-256 | 45bd8f046a5c3b3fe01224d7f1fc7482e73313a6b94a4afb20ac0a98da235dee
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