CVE-2024-9409 in PowerLogic PM5320
Summary
by MITRE • 11/13/2024
CWE-400: An Uncontrolled Resource Consumption vulnerability exists that could cause the device to become unresponsive resulting in communication loss when a large amount of IGMP packets is present in the network.
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Analysis
by VulDB Data Team • 11/13/2024
The vulnerability identified as CVE-2024-9409 represents a critical resource exhaustion flaw classified under CWE-400, which specifically addresses uncontrolled resource consumption in network devices. This weakness manifests when network infrastructure equipment processes an excessive volume of Internet Group Management Protocol packets, leading to system instability and complete communication failure. The vulnerability exploits the device's inability to properly manage and throttle incoming multicast traffic, creating a condition where legitimate network operations become impossible due to resource depletion.
The technical implementation of this vulnerability stems from inadequate input validation and resource management within the IGMP processing module of affected network devices. When confronted with a high volume of IGMP packets, the system fails to implement proper rate limiting or packet filtering mechanisms, causing CPU and memory resources to be consumed at unsustainable rates. This behavior aligns with the characteristics of a denial of service attack vector where the attacker can leverage the protocol's multicast nature to flood the device with packets that appear legitimate but overwhelm the system's processing capabilities. The vulnerability's impact is particularly severe because IGMP is a fundamental protocol used for managing multicast group memberships in ip networks, making it difficult to distinguish between malicious traffic and normal network operations.
From an operational standpoint, the consequences of CVE-2024-9409 can be devastating for network infrastructure and enterprise communications. When a device becomes unresponsive due to this vulnerability, it creates complete communication blackouts that can affect multiple services simultaneously, including voice over ip communications, video streaming, and critical business applications that rely on multicast traffic. The attack surface is broad since any device that processes IGMP packets, including routers, switches, firewalls, and network access points, could be affected. This vulnerability particularly impacts environments with high multicast traffic volumes such as broadcast television networks, corporate video conferencing systems, and data center networks where multicast protocols are heavily utilized. The operational impact extends beyond immediate service disruption to include potential cascading failures in network topology where the unresponsive device affects routing decisions and communication paths throughout the network infrastructure.
Security professionals should implement immediate mitigations including rate limiting configurations on network devices to restrict the number of IGMP packets that can be processed within a given time period, along with enhanced monitoring for unusual traffic patterns that might indicate exploitation attempts. Network segmentation strategies can help isolate vulnerable devices from critical traffic paths, while implementing proper access controls and firewall rules to limit IGMP packet sources. The vulnerability's classification under CWE-400 places it within the broader category of resource exhaustion attacks that are commonly targeted by threat actors seeking to disrupt network services. Organizations should also consider implementing network intrusion detection systems that can identify abnormal IGMP traffic patterns and alert administrators to potential exploitation attempts. Additionally, regular firmware updates and security patches should be prioritized to address this vulnerability, as it represents a known weakness that can be exploited by attackers without requiring advanced technical skills. The ATT&CK framework categorizes this type of vulnerability under the 'Resource Exhaustion' tactic, where adversaries consume system resources to prevent legitimate use of services, making it a critical concern for network security teams implementing comprehensive threat mitigation strategies.