CVE-2020-17397 Memory corruption in Desktop

High 7.5 Published Updated

Local attackers can escalate privileges and execute code in the hypervisor context via memory corruption in network packet handling.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-17397?

CVE-2020-17397 is a high-severity memory corruption vulnerability in Parallels Parallels Desktop, published on 25 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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 high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the handling of network packets. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-11253.

Weakness: CWE-119

Which versions are affected by CVE-2020-17397?

It affects 1 product.

Products include Parallels Parallels Desktop.

How do I fix CVE-2020-17397?

No fix has been published for CVE-2020-17397 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-17397 being exploited?

There is no known exploitation of CVE-2020-17397 in the wild and no public exploit code.

All Parallels Parallels Desktop vulnerabilities

Sources

Also known as GHSA-9v96-wrfm-7xh9.

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