CVE-2024-36740 in Oneflow
Summary
by MITRE • 06/06/2024
An issue in OneFlow-Inc. Oneflow v0.9.1 allows attackers to cause a Denial of Service (DoS) when index as a negative number exceeds the range of size.
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Analysis
by VulDB Data Team • 08/23/2024
The vulnerability identified as CVE-2024-36740 resides within the OneFlow framework version 0.9.1, specifically manifesting as a denial of service condition triggered by improper handling of negative index values. This issue represents a classic example of inadequate input validation and boundary checking within array or collection access operations. The flaw occurs when the system processes index values that are negative numbers exceeding the permissible range of size constraints, leading to unexpected behavior and potential system instability. Such vulnerabilities typically arise from insufficient bounds checking mechanisms that should validate index parameters before they are used to access memory or data structures. The root cause aligns with CWE-129, which addresses insufficient validation of length of input buffers, and CWE-191, which covers integer underflow or wraparound conditions. From an operational perspective, this vulnerability creates a significant risk for systems relying on OneFlow for data processing or workflow management, as attackers could exploit this weakness to disrupt service availability through carefully crafted negative index values.
The technical implementation of this vulnerability demonstrates a failure in the index validation logic within the OneFlow framework's data access mechanisms. When negative indices are processed beyond the acceptable range, the system likely attempts to access memory locations that are either invalid or unauthorized, resulting in program termination or resource exhaustion. This behavior can be categorized under the ATT&CK technique T1499.004, which involves network denial of service attacks through resource exhaustion or system instability. The vulnerability specifically targets the framework's handling of array indexing operations where negative values should either be rejected or properly normalized to valid positive indices. The absence of proper range checking allows attackers to manipulate input parameters in ways that bypass normal execution paths and trigger system-level failures. This weakness is particularly concerning in distributed or high-throughput environments where such denial of service conditions could cascade across multiple system components, amplifying the operational impact beyond the immediate scope of the vulnerable framework.
The operational impact of CVE-2024-36740 extends beyond simple service disruption to potentially compromise the overall reliability and availability of systems utilizing OneFlow. Attackers could exploit this vulnerability to repeatedly trigger denial of service conditions, effectively rendering affected services unavailable to legitimate users and potentially causing cascading failures in dependent systems. The vulnerability's exploitation requires minimal technical expertise, making it particularly dangerous as it could be leveraged by threat actors with varying skill levels. Organizations implementing OneFlow in production environments face significant risk of service interruptions, especially during peak usage periods when the system is under maximum load. The vulnerability also creates opportunities for more sophisticated attacks where initial denial of service conditions could be used as a precursor to other exploitation techniques. From a security posture perspective, this flaw represents a critical weakness that could be combined with other vulnerabilities to achieve more severe outcomes, including complete system compromise or data loss. The impact is further amplified by the fact that such issues often remain undetected until actively exploited, making proactive identification and remediation essential for maintaining system integrity and availability.