CVE-2024-40493 | BDVDB-2026-252189 Detail

Description#

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`.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12024-10-22Record published in the CVE List.
2. Version 22024-10-23Most recent update recorded in the CVE List.