FKIE_CVE-2024-40494

Vulnerability from fkie_nvd - Published: 2024-10-22 22:15 - Updated: 2025-06-24 01:11
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of service (stack buffer overflow) via a crafted packet.
References
cve@mitre.orghttps://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113Third Party Advisory
cve@mitre.orghttps://github.com/dqp10515/security/tree/main/FreeCoAP_bugExploit
Impacted products
Vendor Product Version
keith-cullen freecoap 0.7
To clipboard Create KEV Entry 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "E92C8E66-1E72-409F-A020-416361E4FEFC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of service (stack buffer overflow) via a crafted packet."
    },
    {
      "lang": "es",
      "value": " El desbordamiento de b\u00fafer en coap_msg.c en FreeCoAP permite a atacantes remotos ejecutar c\u00f3digo arbitrario o provocar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria ) a trav\u00e9s de un paquete manipulado espec\u00edficamente para ello."
    }
  ],
  "id": "CVE-2024-40494",
  "lastModified": "2025-06-24T01:11:48.770",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-10-22T22:15:04.493",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/dqp10515/security/tree/main/FreeCoAP_bug"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.