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CVE-2024-43688

Estado: AplazadaAlta (7.3)—

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Openbsd — OpenbsdAIVixie — CronAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2024-43688",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-43688",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-26T13:17:12.595187Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:vixie:cron:*:*:*:*:*:*:*:*"
          ],
          "vendor": "vixie",
          "product": "cron",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "9cc8ab1",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        },
        {
          "cpes": [
            "cpe:2.3:o:openbsd:openbsd:7.4:*:*:*:*:*:*:*"
          ],
          "vendor": "openbsd",
          "product": "openbsd",
          "versions": [
            {
              "status": "affected",
              "version": "7.4"
            }
          ],
          "defaultStatus": "unknown"
        },
        {
          "cpes": [
            "cpe:2.3:o:openbsd:openbsd:7.5:*:*:*:*:*:*:*"
          ],
          "vendor": "openbsd",
          "product": "openbsd",
          "versions": [
            {
              "status": "affected",
              "version": "7.5"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-08-20T06:15:04.983",
  "references": [
    {
      "url": "https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt",
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring."
    },
    {
      "lang": "es",
      "value": "cron/entry.c en vixie cron anterior a 9cc8ab1, como se usa en OpenBSD 7.4 y 7.5, permite un desbordamiento del búfer basado en montón y corrupción de memoria. NOTA: este problema se introdujo durante una refactorización de mayo de 2023."
    }
  ],
  "lastModified": "2026-06-17T07:51:32.350",
  "sourceIdentifier": "cve@mitre.org"
}