CVE-2023-39203 Denial of service in Zoom Rooms Client for Windows and Zoom VDI Client
Uncontrolled resource consumption in Zoom Team Chat allows unauthenticated attackers to cause denial of service and disclose information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-39203?
CVE-2023-39203 is a medium-severity denial of service vulnerability in Zoom Zoom, published on 14 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Uncontrolled resource consumption in Zoom Team Chat for Zoom Desktop Client for Windows and Zoom VDI Client may allow an unauthenticated user to conduct a disclosure of information via network access.
Weakness: CWE-789
Which versions are affected by CVE-2023-39203?
It affects 2 products.
Products include Zoom Virtual Desktop Infrastructure, Zoom Zoom.
How do I fix CVE-2023-39203?
No fix has been published for CVE-2023-39203 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-2023-39203 being exploited?
There is no known exploitation of CVE-2023-39203 in the wild and no public exploit code.
Other vulnerabilities in Zoom Zoom
Sources
Also known as GHSA-4jmv-jvrv-qcv7.