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CVE-2024-40493

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CVE-2024-40493

Published: Oct 22, 2024

Modified: Oct 23, 2024

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`.

VendorProductVersions

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affected
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