CVE-2024-44729 in MiroTalk
Summary
by MITRE • 10/11/2024
Incorrect access control in the component app/src/server.js of Mirotalk before commit 9de226 allows unauthenticated attackers without presenter privileges to arbitrarily eject users from a meeting.
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Analysis
by VulDB Data Team • 10/11/2024
The vulnerability identified as CVE-2024-44729 represents a critical access control flaw within the Mirotalk platform's server-side component located at app/src/server.js. This issue affects versions of Mirotalk prior to commit 9de226 and exposes a significant security weakness that undermines the platform's user management and meeting integrity. The vulnerability specifically allows unauthenticated attackers to perform arbitrary user ejection from meetings, effectively compromising the meeting's security and operational continuity. This flaw demonstrates a fundamental failure in the application's authorization mechanisms, where proper authentication and privilege verification are bypassed during critical user management operations. The impact extends beyond simple user inconvenience as it enables malicious actors to disrupt meetings, potentially causing business disruption and compromising sensitive discussions.
The technical implementation of this vulnerability stems from inadequate access control validation within the server.js component, which processes user ejection requests without properly verifying the requester's authentication status or authorization level. This misconfiguration creates a path where any remote attacker can exploit the system's user management functions regardless of their credentials or role within the meeting. The flaw likely resides in the application's session management or authorization checking logic where the system fails to validate whether the requesting user possesses the necessary presenter privileges required to perform user ejection operations. According to CWE classification, this vulnerability aligns with CWE-285, which addresses improper authorization in software applications, and potentially CWE-306, which covers missing authentication mechanisms. The vulnerability operates at the application layer, specifically targeting the server-side business logic that governs meeting participant management.
The operational impact of this vulnerability is substantial and multifaceted, as it enables attackers to disrupt legitimate meeting operations through unauthorized user ejection. This capability can be exploited to create chaos during important business meetings, educational sessions, or collaborative work environments where meeting integrity is crucial. Attackers can leverage this vulnerability to remove specific participants from meetings, potentially excluding key stakeholders or presenters, thereby compromising the meeting's purpose and effectiveness. The unauthenticated nature of the exploit means that even users without legitimate access credentials can manipulate meeting participants, creating a significant risk for organizations relying on Mirotalk for sensitive communications. From an ATT&CK framework perspective, this vulnerability maps to T1484.001, which covers "Group Policy Modification" and "Elevation of Privilege" techniques, as attackers can effectively assume elevated privileges through unauthorized user management actions. The disruption potential also aligns with T1498, which addresses "Network Denial of Service" and "Resource Hijacking" through unauthorized control of meeting resources.
Mitigation strategies for CVE-2024-44729 should prioritize immediate implementation of proper authentication and authorization checks within the server.js component. Organizations using Mirotalk should upgrade to versions that include commit 9de226 or later, which presumably addresses this access control flaw through proper privilege validation mechanisms. The fix should enforce strict authentication requirements for all user management operations, ensuring that only authenticated users with appropriate presenter privileges can perform ejection actions. Security teams should implement comprehensive logging of user management operations to detect and respond to unauthorized ejection attempts. Additionally, network-level controls such as firewalls and access control lists should be configured to limit exposure of the vulnerable component to trusted networks only. Regular security audits of the application's authorization mechanisms should be conducted to identify similar flaws in other components. The vulnerability serves as a reminder of the critical importance of implementing robust access control measures and proper privilege validation in collaborative platforms where user management operations can significantly impact meeting integrity and security.