Unlimited Resource Accumulation in Modbus Traffic

CVE-2024-38534

What is CVE-2024-38534?

Suricata, a widely-used network Intrusion Detection System and Network Security Monitoring engine, is impacted by a vulnerability that arises from crafted modbus traffic. This vulnerability can lead to unlimited resource accumulation within a single flow, potentially disrupting the functioning of the security engine. To mitigate this issue, it is advised to upgrade to version 7.0.6 and to set a limited value for the stream.reassembly.depth parameter, which helps in controlling the amount of unused resources. For further details and guidance, additional resources and advisories are available in the linked references.

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References