CVE-2024-24692 in Rooms Client
Summary
by MITRE • 03/13/2024
Race condition in the installer for Zoom Rooms Client for Windows before version 5.17.5 may allow an authenticated user to conduct a denial of service via local access.
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Analysis
by VulDB Data Team • 04/08/2024
The vulnerability identified as CVE-2024-24692 represents a race condition flaw within the Zoom Rooms Client installer for Windows systems prior to version 5.17.5. This type of vulnerability occurs when multiple processes or threads attempt to access shared resources simultaneously without proper synchronization mechanisms, creating opportunities for unpredictable behavior and system instability. The race condition specifically affects the installer component of the Zoom Rooms Client application, which is designed to facilitate the setup and configuration of video conferencing equipment in meeting rooms. The flaw manifests when an authenticated user with local access attempts to execute the installer, potentially leading to system-wide denial of service conditions that can disrupt critical communication infrastructure in enterprise environments.
The technical implementation of this race condition stems from inadequate thread synchronization during the installation process, particularly when handling temporary files or registry modifications that occur concurrently. When multiple installation operations attempt to modify the same system resources simultaneously, the installer may fail to properly manage resource allocation and cleanup procedures. This condition allows an attacker with local access privileges to manipulate the installation sequence and potentially cause the installer to crash or enter an inconsistent state. The vulnerability is classified as a race condition under CWE-362, which specifically addresses concurrent execution issues where the order of operations can lead to security flaws. The flaw exists at the system level rather than at the network layer, making it particularly concerning for environments where physical access to devices cannot be fully controlled.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially compromise the reliability of video conferencing infrastructure in enterprise settings. Organizations utilizing Zoom Rooms Client for Windows may experience disruptions to their meeting room systems, leading to failed installations of critical software updates and potential service outages during important business meetings. The vulnerability is particularly dangerous in environments where automated deployment processes rely on successful installer execution, as it can cause cascading failures throughout the organization's communication infrastructure. This flaw aligns with ATT&CK technique T1499.004, which covers network denial of service attacks, though in this case the attack vector is through local system manipulation rather than network-based interference. The impact is exacerbated in large organizations where multiple Zoom Rooms systems require coordinated deployment and management.
Organizations should immediately implement mitigations to address this vulnerability by upgrading to Zoom Rooms Client version 5.17.5 or later, which contains the necessary synchronization fixes to prevent the race condition from occurring. System administrators should also implement strict access controls to limit local system access to authorized personnel only, reducing the attack surface for potential exploitation. Network segmentation strategies should be employed to isolate critical video conferencing systems from general user access, while regular security audits should verify that all Zoom Rooms installations have been properly updated. Additionally, organizations should establish monitoring procedures to detect unusual installation activity or system instability that could indicate exploitation attempts. The remediation process should include comprehensive testing of updated installations to ensure that the race condition fix does not introduce compatibility issues with existing system configurations. Security teams should also consider implementing endpoint detection and response solutions that can identify and prevent unauthorized local access attempts that could exploit this vulnerability.