CVE-2017-4948 Information disclosure in Horizon Client for Windows

High 7.1 Published 5 Jan 2018 Updated 16 Sep 2024

An out-of-bounds read in VMware Workstation and Horizon View Client allows guest-to-host information leakage or denial of service when virtual printing is enabled.

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-2017-4948?

CVE-2017-4948 is a high-severity vulnerability in Vmware Workstation, 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 before 14.1.0 and 12.x) and Horizon View Client (4.x before 4.7.0) contain an out-of-bounds read vulnerability in TPView.dll. On Workstation, this issue in conjunction with other bugs may allow a guest to leak information from host or may allow for a Denial of Service on the Windows OS that runs Workstation. In the case of a Horizon View Client, this issue in conjunction with other bugs may allow a View desktop to leak information from host or may allow for a Denial of Service on the Windows OS that runs the Horizon View Client. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon View.

Weakness: CWE-200, CWE-125

Which versions are affected by CVE-2017-4948?

It affects 2 products.

Products include Vmware Horizon View, Vmware Workstation.

How do I fix CVE-2017-4948?

No fix has been published for CVE-2017-4948 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-4948 being exploited?

There is no known exploitation of CVE-2017-4948 in the wild and no public exploit code.

All Vmware Workstation vulnerabilities

Sources

Also known as GHSA-2436-v72x-5q8x.