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CVE-2022-46343

Status Candidate

Overview

A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. 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
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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