CVE-2018-6977 Denial of service in ESXi
A guest user can trigger an infinite loop in 3D rendering, causing the virtual machine and potentially the host to become unresponsive.
- 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-2018-6977?
CVE-2018-6977 is a medium-severity denial of service vulnerability in Vmware Esxi, published on 9 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
VMware ESXi (6.7, 6.5, 6.0), Workstation (15.x and 14.x) and Fusion (11.x and 10.x) contain a denial-of-service vulnerability due to an infinite loop in a 3D-rendering shader. Successfully exploiting this issue may allow an attacker with normal user privileges in the guest to make the VM unresponsive, and in some cases, possibly result other VMs on the host or the host itself becoming unresponsive.
Weakness: CWE-835
Which versions are affected by CVE-2018-6977?
It affects 3 products.
Products include Vmware Esxi, Vmware Fusion, Vmware Workstation.
How do I fix CVE-2018-6977?
No fix has been published for CVE-2018-6977 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-2018-6977 being exploited?
There is no known exploitation of CVE-2018-6977 in the wild and no public exploit code.
Other vulnerabilities in Vmware Esxi
Sources
Also known as GHSA-29m2-93j9-hrcp.