An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream of packets can cause a flood of the session resource pool resulting in legitimate connections to the PLC being disconnected. An attacker can send unauthenticated packets to trigger this vulnerability.
The product does not properly control the allocation and maintenance of a limited resource.
Link | Tags |
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https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0445 | third party advisory exploit |