CVE-2024-24695 in Desktop Client
Summary
by MITRE • 02/14/2024
Improper input validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an authenticated user to conduct a disclosure of information via network access.
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Analysis
by VulDB Data Team • 04/19/2025
The vulnerability identified as CVE-2024-24695 represents a critical flaw in multiple Zoom client applications for the windows platform including the desktop client, vdi client, and meeting sdk components. This issue stems from inadequate input validation mechanisms that fail to properly sanitize or verify user-supplied data before processing. The vulnerability specifically affects systems where authenticated users can leverage network access to exploit the weakness, creating potential for unauthorized information disclosure. The flaw exists within the input handling logic of these applications, where insufficient validation allows maliciously crafted inputs to bypass security controls and potentially expose sensitive data.
The technical implementation of this vulnerability falls under the category of improper input validation, which aligns with CWE-20 - Improper Input Validation. This weakness occurs when applications fail to adequately validate input data, allowing malformed or unexpected inputs to be processed without proper sanitization. The affected Zoom clients process network communications and user inputs through mechanisms that do not sufficiently validate the integrity and format of incoming data. When authenticated users exploit this vulnerability, they can manipulate the input validation routines to extract information that should otherwise remain protected. The network-based nature of the exploit means that the attack can be executed remotely by authenticated users who have access to the affected systems.
The operational impact of CVE-2024-24695 extends beyond simple information disclosure to potentially compromise the confidentiality of sensitive meeting data, user credentials, and system information. Organizations using these Zoom client applications face significant risk of data leakage when this vulnerability is exploited. The authenticated nature of the attack means that attackers must first establish valid credentials, but once authenticated, they can leverage the vulnerability to access information that should be restricted to authorized users only. This could include meeting metadata, participant information, chat logs, and potentially system-level details that could aid in further attacks. The vulnerability affects multiple deployment scenarios including traditional desktop usage, virtual desktop infrastructure environments, and software development integrations through the meeting sdk.
Security practitioners should implement immediate mitigations including applying the latest security patches from Zoom, which address the input validation flaws in the affected components. Network segmentation and access controls should be strengthened to limit the potential impact of authenticated attacks, while monitoring systems should be configured to detect unusual network activity patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of robust input validation in client-side applications, particularly those handling sensitive communication data. Organizations should conduct comprehensive vulnerability assessments to identify any other instances of similar input validation weaknesses in their Zoom deployments. Additionally, implementing principle of least privilege access controls and regular credential rotation can help reduce the attack surface for this type of vulnerability.
The attack pattern associated with CVE-2024-24695 aligns with techniques documented in the attack tactics and techniques framework, particularly those involving information gathering and credential access. This vulnerability could be leveraged as part of a broader attack chain where initial access is gained through other means and then information disclosure is used to escalate privileges or gather intelligence. The vulnerability also demonstrates the importance of secure coding practices and input validation in client applications, as it represents a failure to properly validate network inputs that could be exploited by authenticated users. Organizations should consider implementing application firewalls and network monitoring solutions that can detect and prevent exploitation attempts targeting this specific weakness. The incident highlights the ongoing need for security testing and validation of client applications, particularly those handling sensitive communication data in enterprise environments.