CVE-2024-27239 in Workplace Desktop App
Summary
by MITRE • 02/25/2025
Use after free in some Zoom Workplace Apps and SDKs may allow an authenticated user to conduct a denial of service via network access.
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Analysis
by VulDB Data Team • 08/20/2025
The vulnerability identified as CVE-2024-27239 represents a critical use-after-free flaw affecting Zoom Workplace applications and software development kits. This issue arises from improper memory management within the affected components, creating a scenario where freed memory locations are still accessed by the application. The vulnerability specifically impacts authenticated users who can leverage network access to exploit the condition, making it particularly concerning for enterprise environments where Zoom is extensively deployed. The flaw manifests in the way the software handles memory deallocation and subsequent access patterns, creating a potential vector for malicious activity that could disrupt normal service operations.
The technical implementation of this vulnerability falls under the CWE-416 category, which specifically addresses use-after-free conditions in software systems. This memory safety issue occurs when a program continues to reference memory that has already been freed, potentially leading to unpredictable behavior including application crashes, data corruption, or in more severe cases, arbitrary code execution. The affected Zoom Workplace Apps and SDKs demonstrate inadequate memory management controls that fail to properly track memory references, creating opportunities for exploitation. The authentication requirement for exploitation suggests that attackers must first establish legitimate credentials within the system, potentially through credential theft or social engineering tactics, before they can leverage this vulnerability.
The operational impact of CVE-2024-27239 extends beyond simple denial of service scenarios, as the vulnerability could potentially enable more sophisticated attacks depending on the system configuration and deployment environment. Organizations utilizing Zoom Workplace solutions face significant risks including service disruption, potential data integrity issues, and compromised system availability. The network-based exploitation capability means that attackers could potentially leverage this vulnerability from external positions, making it particularly dangerous for remote work environments where network security controls may be less stringent. This vulnerability directly impacts the availability and reliability of Zoom services, which are critical for business operations and communication continuity, potentially affecting thousands of users across enterprise networks.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected Zoom Workplace Apps and SDKs to address the underlying memory management issues. Organizations should implement network segmentation and access controls to limit potential exploitation vectors, while monitoring for unusual network activity that could indicate attempted exploitation. The implementation of robust memory safety controls and regular security assessments can help prevent similar vulnerabilities from emerging in future deployments. Additionally, organizations should consider implementing application whitelisting and runtime protection mechanisms to detect and prevent exploitation attempts. The remediation process should include comprehensive testing to ensure that the patch does not introduce regressions in functionality, while also validating that the memory management improvements effectively address the use-after-free condition. Security teams should also review their incident response procedures to ensure preparedness for potential exploitation attempts and establish clear communication protocols for affected users and stakeholders.