Zoom Workplace & Rooms App Installer Race Condition Enables Local DoS
CVE-2024-39821 Published on July 15, 2024
Zoom Workplace App for Windows and Zoom Rooms App for Windows - Race Condition
Race condition in the installer for Zoom Workplace App for Windows and Zoom Rooms App for Windows may allow an authenticated user to conduct a denial of service via local access.
Vulnerability Analysis
CVE-2024-39821 can be exploited with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Weakness Type
What is a TOCTTOU Vulnerability?
The software checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the software to perform invalid actions when the resource is in an unexpected state. This weakness can be security-relevant when an attacker can influence the state of the resource between check and use. This can happen with shared resources such as files, memory, or even variables in multithreaded programs.
CVE-2024-39821 has been classified to as a TOCTTOU vulnerability or weakness.
Products Associated with CVE-2024-39821
stack.watch emails you whenever new vulnerabilities are published in Zoom Rooms or Zoom Workplace Desktop. Just hit a watch button to start following.
Affected Versions
Zoom Communications, Inc Zoom Workplace App for Windows and Zoom Rooms App for Windows Version see references is affected by CVE-2024-39821Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.