ZDI-21-1000: (Pwn2Own) Parallels Desktop WinAppHelper Improper Access Control Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the WinAppHelper component. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-1000?
The severity of ZDI-21-1000 is high as it allows local attackers to escalate privileges on affected installations of Parallels Desktop.
How do I fix ZDI-21-1000?
To fix ZDI-21-1000, you should apply the latest security patches released for Parallels Desktop.
Who is affected by ZDI-21-1000?
ZDI-21-1000 affects users of Parallels Desktop for Mac.
What type of attack does ZDI-21-1000 enable?
ZDI-21-1000 enables local attackers to escalate privileges on the target system.
What must an attacker do to exploit ZDI-21-1000?
An attacker must first obtain the ability to execute low-privileged code on the target guest system to exploit ZDI-21-1000.
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