CVE-2020-17399: Parallels Desktop prl_hypervisor Out-Of-Bounds Write Privilege Escalation Vulnerability
First published: Tue Aug 25 2020(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.4. 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 in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11303.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop for Mac | ||
| Parallels Desktop | <16.0.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-17399.
What is the title of the vulnerability?
The title of the vulnerability is 'Parallels Desktop prl_hypervisor Out-Of-Bounds Write Privilege Escalation Vulnerability'.
What is the severity of CVE-2020-17399?
The severity of CVE-2020-17399 is high with a CVSS score of 8.8.
Which software is affected by CVE-2020-17399?
The affected software is Parallels Desktop version 15.1.4 up to exclusive version 16.0.0 for macOS.
How can I fix the vulnerability?
To fix the vulnerability, you should update Parallels Desktop to a version higher than 16.0.0.
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