CVE-2024-45559 in Snapdragon Auto
Summary
by MITRE • 01/06/2025
Transient DOS can occur when GVM sends a specific message type to the Vdev-FastRPC backend.
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Analysis
by VulDB Data Team • 01/14/2025
The vulnerability identified as CVE-2024-45559 represents a transient denial of service condition within the Global Virtual Machine (GVM) architecture when interacting with the Vdev-FastRPC backend component. This issue manifests when GVM transmits a specific message type that triggers an unexpected behavior in the backend processing mechanism, leading to temporary system unavailability. The transient nature of this vulnerability implies that the system may recover automatically after the problematic message is processed, but during the affected period, normal operational functions are disrupted.
The technical flaw resides in the message handling and processing logic of the Vdev-FastRPC backend component within the GVM framework. When GVM sends a particular message type containing specific parameters or structures, the backend fails to properly validate or process the incoming data, resulting in a temporary system state where further operations become impossible or severely degraded. This processing failure typically occurs at the communication protocol level where message parsing or execution flow is interrupted, causing the backend to enter a non-functional state until the message is either processed successfully or the system timeout occurs.
From an operational impact perspective, this vulnerability creates significant risk for systems relying on GVM and Vdev-FastRPC for virtualized environments and device virtualization tasks. The transient denial of service condition can disrupt ongoing virtual machine operations, device management functions, and potentially affect service availability for dependent applications. Organizations using this technology stack may experience unexpected service interruptions that could impact business continuity, especially in environments where high availability and continuous operation are critical requirements.
The vulnerability aligns with CWE-400, which addresses "Uncontrolled Resource Consumption," as the backend processing consumes resources in an uncontrolled manner during the problematic message handling. Additionally, this issue relates to ATT&CK technique T1499.004, "Toggle Service," where an adversary could potentially exploit this condition to disrupt system operations temporarily. The transient nature suggests this could be leveraged in combination with other attack vectors to create more complex disruption scenarios.
Mitigation strategies should include implementing robust input validation mechanisms within the Vdev-FastRPC backend to properly handle all message types and prevent malformed or unexpected data from causing system instability. Organizations should deploy message filtering and sanitization processes that can identify and quarantine problematic message patterns before they reach the core processing components. Additionally, implementing proper timeout mechanisms and graceful degradation protocols can help ensure that even if a problematic message is processed, the system can recover quickly without extended service interruption. Regular monitoring and alerting systems should be configured to detect unusual message processing patterns that could indicate exploitation attempts of this vulnerability.