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CVE-2023-43251

Estado: ModificadaAlta (7.8)—

XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.

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 (1)

Xnview — Nconvert

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-43251",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-43251",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-12T20:19:16.672521Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-10-19T15:15:09.583",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cve@mitre.org"
    },
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      "url": "https://www.xnview.com/en/nconvert/",
      "tags": [
        "Product"
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      "source": "cve@mitre.org"
    },
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      "url": "http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html",
      "tags": [
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        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "tags": [
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        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.xnview.com/en/nconvert/",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution."
    },
    {
      "lang": "es",
      "value": "XNSoft Nconvert 7.136 tiene una Exception Handler Chain Corrupted a través de un archivo de imagen manipulado. Los atacantes podrían aprovechar este problema para una Denegación de Servicio (DoS) o posiblemente para lograr la ejecución del código."
    }
  ],
  "lastModified": "2026-06-17T06:25:18.287",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xnview:nconvert:7.136:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09169F03-B48E-4461-933A-4080F7F80846"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "cve@mitre.org"
}