What is the severity of ZDI-CAN-14192?

The severity of ZDI-CAN-14192 is considered high due to its potential for privilege escalation.

How do I fix ZDI-CAN-14192?

To fix ZDI-CAN-14192, update the X.Org Server to the latest version that patches the vulnerability.

Can ZDI-CAN-14192 be exploited remotely?

ZDI-CAN-14192 cannot be exploited remotely as it requires local access to execute low-privileged code.

What systems are affected by ZDI-CAN-14192?

ZDI-CAN-14192 affects installations of X.Org Server on Linux systems.

What are the potential impacts of ZDI-CAN-14192?

The potential impacts of ZDI-CAN-14192 include unauthorized access and control over system privileges.

Vulnerability/
ZDI-CAN-14192

high

7.8

29/1/2025

ZDI-CAN-14192: X.Org Server SProcRenderCompositeGlyphs Out-Of-Bounds Access Privilege Escalation Vulnerability

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 specific flaw exists within the handling of SProcRenderCompositeGlyphs requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

Affected Software	Affected Version	How to fix
X.Org Xserver

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-14192?
The severity of ZDI-CAN-14192 is considered high due to its potential for privilege escalation.
How do I fix ZDI-CAN-14192?
To fix ZDI-CAN-14192, update the X.Org Server to the latest version that patches the vulnerability.
Can ZDI-CAN-14192 be exploited remotely?
ZDI-CAN-14192 cannot be exploited remotely as it requires local access to execute low-privileged code.
What systems are affected by ZDI-CAN-14192?
ZDI-CAN-14192 affects installations of X.Org Server on Linux systems.
What are the potential impacts of ZDI-CAN-14192?
The potential impacts of ZDI-CAN-14192 include unauthorized access and control over system privileges.

agent/references
agent/softwarecombine
agent/title
agent/severity
agent/description
agent/event
agent/source
agent/type
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-21-1547
alias/ZDI-CAN-14192
alias/CVE-2021-4008
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/x.org
canonical/x.org xserver

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of ZDI-CAN-14192?
The severity of ZDI-CAN-14192 is considered high due to its potential for privilege escalation.
How do I fix ZDI-CAN-14192?
To fix ZDI-CAN-14192, update the X.Org Server to the latest version that patches the vulnerability.
Can ZDI-CAN-14192 be exploited remotely?
ZDI-CAN-14192 cannot be exploited remotely as it requires local access to execute low-privileged code.
What systems are affected by ZDI-CAN-14192?
ZDI-CAN-14192 affects installations of X.Org Server on Linux systems.
What are the potential impacts of ZDI-CAN-14192?
The potential impacts of ZDI-CAN-14192 include unauthorized access and control over system privileges.