CVE-2024-40493

CRITICAL

9.8

Descricao

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`.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado10/22/2024

Ultima modificacao10/25/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

keith-cullen:freecoap

Fraquezas (CWE)

CWE-476CWE-476

Referencias

https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4(cve@mitre.org)

https://github.com/keith-cullen/FreeCoAP/issues/37(cve@mitre.org)

Correlacoes IOC

Sem correlacoes registradas

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