{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2024-40493", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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`." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "url": "https://github.com/keith-cullen/FreeCoAP/issues/37", "refsource": "MISC", "name": "https://github.com/keith-cullen/FreeCoAP/issues/37" }, { "refsource": "MISC", "name": "https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4", "url": "https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4" } ] } }