CVE-2024-24781 in F30 03X YY COM
Summary
by MITRE • 02/13/2024
An unauthenticated remote attacker can use an uncontrolled resource consumption vulnerability to DoS the affected devices through excessive traffic on a single ethernet port.
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Analysis
by VulDB Data Team • 10/18/2024
This vulnerability represents a critical resource exhaustion flaw that affects network devices through a specific traffic pattern targeting a single ethernet port. The vulnerability stems from insufficient rate limiting and traffic management controls within the device's network processing pipeline, allowing an attacker to flood the system with excessive traffic volumes that overwhelm the device's processing capabilities. The unauthenticated nature of this attack means that any remote actor can exploit the vulnerability without requiring prior credentials or privileged access, making it particularly dangerous in exposed network environments. This type of vulnerability aligns with CWE-400, which categorizes unchecked resource consumption as a fundamental weakness in system design that can lead to denial of service conditions. The attack vector specifically targets the network interface layer where incoming packets are processed and queued for further handling, creating a scenario where legitimate network operations become impossible due to resource exhaustion.
The technical implementation of this vulnerability occurs when an attacker sends malformed or excessive traffic patterns through a single ethernet port, causing the device to consume disproportionate amounts of CPU cycles, memory, or network buffer space. The device's failure to implement proper traffic shaping, rate limiting, or packet filtering mechanisms allows this traffic to accumulate in queues or buffers until system resources are completely consumed. This pattern of resource exhaustion can manifest through various mechanisms including buffer overflow conditions, memory allocation failures, or CPU utilization saturation that prevents the device from processing legitimate network traffic. The single port targeting aspect of this vulnerability suggests that the device architecture lacks proper port-level traffic controls or that the network stack does not adequately differentiate between legitimate and malicious traffic patterns at the ingress point. This vulnerability directly relates to ATT&CK technique T1498 which describes resource exhaustion attacks targeting network services and infrastructure components.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire network infrastructure that relies on the affected device. When a device becomes unresponsive due to resource exhaustion, it can create cascading failures throughout the network topology, especially in scenarios where the device serves as a critical router, switch, or firewall component. Network administrators may experience significant downtime while investigating and resolving the issue, potentially leading to extended service interruptions and loss of network connectivity for dependent systems. The vulnerability's ability to affect devices through a single ethernet port indicates that the attack can be executed with minimal network complexity, requiring only basic network connectivity to the target device. This characteristic makes the vulnerability particularly attractive to threat actors seeking to disrupt network operations with minimal resources and technical expertise. Organizations may face challenges in detecting this attack due to its potential to mimic legitimate traffic patterns or appear as normal network congestion, making incident response more difficult. The vulnerability also highlights weaknesses in network device security architecture and emphasizes the importance of implementing robust traffic management controls and monitoring systems to detect abnormal resource consumption patterns.
Mitigation strategies for this vulnerability should focus on implementing comprehensive traffic shaping and rate limiting controls at the network interface level. Network administrators should configure ingress traffic controls that monitor and limit packet rates per port, implement proper buffer management policies, and establish resource utilization thresholds that trigger alerts when abnormal conditions are detected. The implementation of intrusion detection systems and network monitoring tools can help identify suspicious traffic patterns that may indicate exploitation attempts. Device vendors should prioritize firmware updates that address the underlying resource management flaws and implement proper input validation and traffic filtering mechanisms. Network segmentation and access control measures can help limit the potential impact of such attacks by isolating vulnerable devices and reducing the attack surface. Organizations should also implement regular network traffic analysis procedures to identify unusual patterns that may indicate resource exhaustion attacks, and establish incident response protocols specifically designed to handle denial of service conditions. Additionally, deploying network devices with built-in protection mechanisms against excessive traffic patterns and implementing proper network design principles that avoid single points of failure can significantly reduce the risk associated with this vulnerability.