CVE-2024-40493

Katalog CVE

CVSS 9.8 · Critical EPSS 0,78%

Kerentanan NULL Pointer Dereference pada keith-cullen freecoap. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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`.

Rincian

Terbit di NVD

22 Oktober 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,78% peluang dieksploitasi; lebih tinggi dari 54,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4 advisory pihak ketiga
• https://github.com/keith-cullen/FreeCoAP/issues/37 exploit · issue tracking