<p>Upgrade <code>Alpine:3.20</code> <code>xwayland</code> to version 22.1.6-r0 or higher.</p>

Use After Free Affecting xwayland package, versions <22.1.6-r0

Threat Intelligence

10.43% (96^th percentile)

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Snyk ID SNYK-ALPINE320-XWAYLAND-7015297
published 23 May 2024
disclosed 14 Dec 2022

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Introduced: 14 Dec 2022

CVE-2022-46343 Open this link in a new tab CWE-416 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xwayland to version 22.1.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xwayland package and not the xwayland package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Use After Free Affecting xwayland package, versions <22.1.6-r0

Severity

Snyk's Security Team recommends NVD's CVSS assessment