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CVE-2022-46344

Public on 2022-12-14
Modified on 2024-01-16
Description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. 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.

Severity
Important
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CVSS v3 Base Score
8.8
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 xorg-x11-server 2023-02-17 00:02 ALAS-2023-1689
Amazon Linux 2 - Core xorg-x11-server 2023-03-02 22:35 ALAS2-2023-1982
Amazon Linux 2023 xorg-x11-server 2023-02-17 20:48 ALAS2023-2023-102

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H