CVE-2020-17400: Parallels Desktop prl_hypervisor Out-Of-Bounds Read 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 read past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-11304.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop | <16.0.0 | |
| Parallels Desktop |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Parallels Desktop vulnerability?
The vulnerability ID for this Parallels Desktop vulnerability is CVE-2020-17400.
What is the severity level of CVE-2020-17400?
CVE-2020-17400 has a severity level of 8.8 (high).
How does the vulnerability CVE-2020-17400 allow privilege escalation?
CVE-2020-17400 allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.4 by executing low-privileged code on the target system.
What software versions of Parallels Desktop are affected by CVE-2020-17400?
CVE-2020-17400 affects Parallels Desktop versions up to exclusive 16.0.0.
How can I fix CVE-2020-17400?
To fix CVE-2020-17400, update your Parallels Desktop installation to a version beyond 16.0.0.
- collector/nvd-index
- collector/zdi-advisory
- alias/ZDI-20-1018
- alias/ZDI-CAN-11304
- alias/CVE-2020-17400
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- vendor/parallels
- canonical/parallels desktop