CVE-2020-8874: Parallels Desktop xHCI Integer Overflow Privilege Escalation Vulnerability
First published: Mon Mar 23 2020(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.2-47123. 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 xHCI component. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-10032.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop for Mac | ||
| Parallels Desktop for Mac | <15.1.3 |
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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-2020-8874.
What is the severity of CVE-2020-8874?
The severity of CVE-2020-8874 is high, with a severity value of 7.5.
How does this vulnerability allow privilege escalation?
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop.
What is the affected software for CVE-2020-8874?
The affected software for CVE-2020-8874 is Parallels Desktop version up to 15.1.3.
Is there a fix available for this vulnerability?
Yes, it is recommended to update Parallels Desktop to version 15.1.3 or later to fix this vulnerability.
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