ZDI-CAN-14951: X.Org Server SProcScreenSaverSuspend Out-Of-Bounds Access Local 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 SProcScreenSaverSuspend 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
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-14951?
The severity of ZDI-CAN-14951 is considered high due to its potential for privilege escalation.
How do I fix ZDI-CAN-14951?
To fix ZDI-CAN-14951, update to the latest version of X.Org Server that addresses this vulnerability.
Who is affected by ZDI-CAN-14951?
Users of X.Org Server are affected by ZDI-CAN-14951, specifically those who have not applied security updates.
What type of vulnerability is ZDI-CAN-14951?
ZDI-CAN-14951 is a privilege escalation vulnerability that allows local attackers to gain higher permissions.
What is required to exploit ZDI-CAN-14951?
An attacker must first have the ability to execute low-privileged code on the target system to exploit ZDI-CAN-14951.