CVE-2024-24699 in Desktop Client
Summary
by MITRE • 02/14/2024
Business logic error in some Zoom clients may allow an authenticated user to conduct information disclosure via network access.
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Analysis
by VulDB Data Team • 10/04/2024
The vulnerability identified as CVE-2024-24699 represents a business logic error within certain Zoom client implementations that enables authenticated users to perform unauthorized information disclosure through network access. This classification places the flaw within the realm of application-level security weaknesses where the intended business processes and access controls fail to properly validate user permissions or data access boundaries. The issue specifically affects Zoom client software across multiple platforms and versions, creating a persistent risk for organizations relying on the platform for their communication infrastructure.
The technical nature of this vulnerability stems from improper validation of user permissions within the Zoom client application's business logic processing. When an authenticated user interacts with the system, the application fails to adequately enforce access controls that should prevent users from accessing data or resources beyond their authorized scope. This business logic flaw allows malicious or compromised users to exploit the system's permission model and extract sensitive information that should otherwise be restricted. The vulnerability is particularly concerning because it operates at the application level rather than relying on network-level exploits, making it more difficult to detect through traditional network monitoring approaches.
From an operational perspective, this vulnerability creates significant risk for organizations using Zoom services, particularly those with sensitive data or regulated environments. The information disclosure could potentially expose meeting records, user credentials, chat transcripts, or other confidential communications that are not properly protected by access controls. Attackers who can leverage this vulnerability may gain insights into organizational communication patterns, sensitive business information, or personal data of users within the affected system. The authenticated nature of the exploit means that the attacker must already have valid credentials, but once inside the system, they can potentially access information beyond what their specific role or permissions should allow.
Organizations should implement immediate mitigations including updating to the latest Zoom client versions that contain patches for this business logic error, conducting thorough access control reviews, and implementing additional monitoring for unusual data access patterns. The vulnerability aligns with CWE-284 which addresses improper access control in software applications, and could potentially be leveraged as part of broader attack chains that follow ATT&CK techniques for privilege escalation and credential access. Security teams should also consider implementing network segmentation and enhanced logging to detect potential exploitation attempts, while administrators should review and tighten access control policies to minimize the impact of such business logic flaws. The remediation process requires careful attention to ensure that the patched versions maintain full functionality while properly addressing the access control gaps that enable this information disclosure capability.