What is the severity of ZDI-20-1019?

The severity of ZDI-20-1019 is critical, as it allows local attackers to disclose sensitive information.

How do I fix ZDI-20-1019?

To fix ZDI-20-1019, users should update Parallels Desktop to the latest version provided by Parallels.

What type of attack is ZDI-20-1019 associated with?

ZDI-20-1019 is associated with local attacks that require high-privileged code execution on the guest system.

Who is affected by ZDI-20-1019?

ZDI-20-1019 affects installations of Parallels Desktop for Mac.

What information can be disclosed due to ZDI-20-1019?

ZDI-20-1019 can lead to the disclosure of sensitive information stored on the affected installations.

Vulnerability/
ZDI-20-1019

medium

20/1/2025

ZDI-20-1019: Parallels Desktop VGA Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive informations on affected installations of Parallels Desktop. 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 VGA virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated array. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute code in the context of the hypervisor.

Affected Software	Affected Version	How to fix
Parallels Desktop for Mac

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-20-1019?
The severity of ZDI-20-1019 is critical, as it allows local attackers to disclose sensitive information.
How do I fix ZDI-20-1019?
To fix ZDI-20-1019, users should update Parallels Desktop to the latest version provided by Parallels.
What type of attack is ZDI-20-1019 associated with?
ZDI-20-1019 is associated with local attacks that require high-privileged code execution on the guest system.
Who is affected by ZDI-20-1019?
ZDI-20-1019 affects installations of Parallels Desktop for Mac.
What information can be disclosed due to ZDI-20-1019?
ZDI-20-1019 can lead to the disclosure of sensitive information stored on the affected installations.

agent/references
agent/type
agent/softwarecombine
agent/severity
agent/title
agent/description
agent/event
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-20-1019
alias/ZDI-CAN-11363
alias/CVE-2020-17401
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/parallels
canonical/parallels desktop for mac

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Frequently Asked Questions

What is the severity of ZDI-20-1019?
The severity of ZDI-20-1019 is critical, as it allows local attackers to disclose sensitive information.
How do I fix ZDI-20-1019?
To fix ZDI-20-1019, users should update Parallels Desktop to the latest version provided by Parallels.
What type of attack is ZDI-20-1019 associated with?
ZDI-20-1019 is associated with local attacks that require high-privileged code execution on the guest system.
Who is affected by ZDI-20-1019?
ZDI-20-1019 affects installations of Parallels Desktop for Mac.
What information can be disclosed due to ZDI-20-1019?
ZDI-20-1019 can lead to the disclosure of sensitive information stored on the affected installations.