CVE-2017-4903 Memory corruption in ESXi
A guest VM can execute arbitrary code on the host due to uninitialized stack memory usage in the SVGA driver.
- 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-2017-4903?
CVE-2017-4903 is a high-severity memory corruption vulnerability in Vmware Esxi, published on 7 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
VMware ESXi 6.5 without patch ESXi650-201703410-SG, 6.0 U3 without patch ESXi600-201703401-SG, 6.0 U2 without patch ESXi600-201703403-SG, 6.0 U1 without patch ESXi600-201703402-SG, and 5.5 without patch ESXi550-201703401-SG; Workstation Pro / Player 12.x prior to 12.5.5; and Fusion Pro / Fusion 8.x prior to 8.5.6 have an uninitialized stack memory usage in SVGA. This issue may allow a guest to execute code on the host.
Weakness: CWE-119
Which versions are affected by CVE-2017-4903?
It affects 5 products.
Products include Vmware Esxi, Vmware Fusion, Vmware Fusion Pro, Vmware Workstation Player, Vmware Workstation Pro.
How do I fix CVE-2017-4903?
No fix has been published for CVE-2017-4903 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-2017-4903 being exploited?
There is no known exploitation of CVE-2017-4903 in the wild and no public exploit code.
Other vulnerabilities in Vmware Esxi
Sources
Also known as GHSA-9q76-gqr4-73cm.