Security Advisory

CVE-2024-40493

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-10-22 00:00:00

Last updated 2024-10-23 15:50:04

Assigner mitre

State PUBLISHED

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`.

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