What is the severity of ZDI-20-507?

The severity of ZDI-20-507 is classified as critical due to its ability to allow local privilege escalation.

How do I fix ZDI-20-507?

To fix ZDI-20-507, update your Oracle VirtualBox installation to the latest version provided by Oracle.

Who is affected by ZDI-20-507?

ZDI-20-507 affects users of Oracle VirtualBox installations that are not patched against this vulnerability.

What type of vulnerability is ZDI-20-507?

ZDI-20-507 is a local privilege escalation vulnerability that requires high-privileged code execution on the target guest system.

Can ZDI-20-507 be exploited remotely?

No, ZDI-20-507 cannot be exploited remotely as it requires local access to the affected guest system.

Vulnerability/
ZDI-20-507

high

8.2

24/2/2025

ZDI-20-507: Oracle VirtualBox VBoxVGA VBoxVHWASurfaceBase Use-After-Free Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the VBoxVGA graphics controller component. When handling the VBoxVHWASurfaceBase object, the process does not properly validate the existence of the object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.

Affected Software	Affected Version	How to fix
Oracle VM VirtualBox

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Frequently Asked Questions

What is the severity of ZDI-20-507?
The severity of ZDI-20-507 is classified as critical due to its ability to allow local privilege escalation.
How do I fix ZDI-20-507?
To fix ZDI-20-507, update your Oracle VirtualBox installation to the latest version provided by Oracle.
Who is affected by ZDI-20-507?
ZDI-20-507 affects users of Oracle VirtualBox installations that are not patched against this vulnerability.
What type of vulnerability is ZDI-20-507?
ZDI-20-507 is a local privilege escalation vulnerability that requires high-privileged code execution on the target guest system.
Can ZDI-20-507 be exploited remotely?
No, ZDI-20-507 cannot be exploited remotely as it requires local access to the affected guest system.

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agent/type
agent/softwarecombine
agent/severity
agent/title
agent/description
agent/event
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-20-507
alias/ZDI-CAN-10423
alias/CVE-2020-2758
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/oracle
canonical/oracle vm virtualbox

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