CVE-2017-4945 Auth bypass in Fusion

Medium 5.5 Published Updated

Attackers can execute programs on locked Windows VMs via Unity, bypassing access controls in VMware Workstation and Fusion.

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-2017-4945?

CVE-2017-4945 is a medium-severity authentication bypass vulnerability in Vmware Fusion, published on 5 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware Workstation (14.x and 12.x) and Fusion (10.x and 8.x) contain a guest access control vulnerability. This issue may allow program execution via Unity on locked Windows VMs. VMware Tools must be updated to 10.2.0 for each VM to resolve CVE-2017-4945. VMware Tools 10.2.0 is consumed by Workstation 14.1.0 and Fusion 10.1.0 by default.

Which versions are affected by CVE-2017-4945?

It affects 2 products.

Products include Vmware Fusion, Vmware Workstation.

How do I fix CVE-2017-4945?

No fix has been published for CVE-2017-4945 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-4945 being exploited?

There is no known exploitation of CVE-2017-4945 in the wild and no public exploit code.

All Vmware Fusion vulnerabilities

Sources

Also known as GHSA-8xhx-57h6-9j99.

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