CVE-2017-4934 Memory corruption in Fusion

High 8.8 Published Updated

A heap buffer overflow in the VMNAT device allows guest users to execute arbitrary code on the host system.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-4934?

CVE-2017-4934 is a high-severity memory corruption vulnerability in Vmware Fusion, published on 17 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware Workstation (12.x before 12.5.8) and Fusion (8.x before 8.5.9) contain a heap buffer-overflow vulnerability in VMNAT device. This issue may allow a guest to execute code on the host.

Weakness: CWE-119

Which versions are affected by CVE-2017-4934?

It affects 2 products.

Products include Vmware Fusion, Vmware Workstation.

How do I fix CVE-2017-4934?

No fix has been published for CVE-2017-4934 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-2017-4934 being exploited?

There is no known exploitation of CVE-2017-4934 in the wild and no public exploit code.

All Vmware Fusion vulnerabilities

Sources

Also known as GHSA-q49m-wxhv-w23w.

Is CVE-2017-4934 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free