CVE-2018-6957 Denial of service in Fusion

Medium 5.3 Published Updated

Attackers can cause denial of service in VMware Workstation and Fusion by opening many VNC sessions, requiring manual VNC enablement.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-6957?

CVE-2018-6957 is a medium-severity denial of service vulnerability in Vmware Fusion, published on 15 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

VMware Workstation (14.x before 14.1.1, 12.x) and Fusion (10.x before 10.1.1 and 8.x) contain a denial-of-service vulnerability which can be triggered by opening a large number of VNC sessions. Note: In order for exploitation to be possible on Workstation and Fusion, VNC must be manually enabled.

Weakness: CWE-772

Which versions are affected by CVE-2018-6957?

It affects 3 products.

Products include Vmware Fusion, Vmware Workstation Player, Vmware Workstation Pro.

How do I fix CVE-2018-6957?

No fix has been published for CVE-2018-6957 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-6957 being exploited?

There is no known exploitation of CVE-2018-6957 in the wild and no public exploit code.

All Vmware Fusion vulnerabilities

Sources

Also known as GHSA-vxf5-fpm2-g9fg.

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