ZDI-CAN-22744: ZDI-24-120: X.Org Server XISendDeviceHierarchyEvent Heap-based Buffer Overflow Local Privilege Escalation Vulnerability

Published Feb 9, 2024
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-21885.

Affected Software

1 affected component
The X.Org Foundation X.Org Server

Event History

Feb 9, 2024
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-22744?

The ZDI-CAN-22744 vulnerability has been assigned a CVSS rating of 7.8, indicating a high severity level.

2

How do I fix ZDI-CAN-22744?

To mitigate ZDI-CAN-22744, update the X.Org Server to the latest version provided by the vendor.

3

Who is affected by ZDI-CAN-22744?

ZDI-CAN-22744 affects installations of X.Org Server that are running vulnerable configurations.

4

What type of attack does ZDI-CAN-22744 allow?

ZDI-CAN-22744 allows local attackers to escalate their privileges on affected systems.

5

What prerequisites are needed to exploit ZDI-CAN-22744?

An attacker must first gain the ability to execute low-privileged code on the target system to exploit ZDI-CAN-22744.

Contact

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