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Assigner | mitre |
Reserved | 2024-07-05 |
Published | 2024-10-22 |
Updated | 2024-10-23 |
Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote attackers to cause a denial of service and potentially execute arbitrary code via a specially crafted CoAP packet that causes `coap_msg_get_payload(resp)` to return a null pointer, which is then dereferenced in a call to `memcpy`.
https://github.com/keith-cullen/FreeCoAP/issues/37
https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4