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THREATINT
PUBLISHED

CVE-2024-40493



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`.

Reserved 2024-07-05 | Published 2024-10-22 | Updated 2024-10-23 | Assigner mitre

References

github.com/keith-cullen/FreeCoAP/issues/37

gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4

cve.org (CVE-2024-40493)

nvd.nist.gov (CVE-2024-40493)

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