What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2020-17393.

What is the affected software?

The affected software is Parallels Desktop 15.1.3-47255.

What is the severity of CVE-2020-17393?

The severity of CVE-2020-17393 is medium with a severity value of 6.5.

How can this vulnerability be exploited?

This vulnerability can be exploited by local attackers who have the ability to execute low-privileged code on the target system.

How do I fix CVE-2020-17393?

To fix CVE-2020-17393, update Parallels Desktop to version 15.1.4 or above.

Vulnerability/
CVE-2020-17393

medium

6.5

CWE

25/8/2020

4/8/2024

CVE-2020-17393: Parallels Desktop prl_hypervisor Improper Input Validation Information Disclosure Vulnerability

First published: Tue Aug 25 2020(Updated: )

This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.3-47255. 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 prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result a pointer to be leaked after the handler is done. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-10520.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Parallels Desktop	<15.1.4
Parallels Desktop

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Frequently Asked Questions

What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2020-17393.
What is the affected software?
The affected software is Parallels Desktop 15.1.3-47255.
What is the severity of CVE-2020-17393?
The severity of CVE-2020-17393 is medium with a severity value of 6.5.
How can this vulnerability be exploited?
This vulnerability can be exploited by local attackers who have the ability to execute low-privileged code on the target system.
How do I fix CVE-2020-17393?
To fix CVE-2020-17393, update Parallels Desktop to version 15.1.4 or above.

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collector/zdi-advisory
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alias/ZDI-CAN-10520
alias/CVE-2020-17393
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