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CVE-2024-23440

Estado: ModificadaAlta (7.1)—

Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of the Vba32m64.sys driver allows to read up to 0x802 of memory from ar arbitrary user-supplied pointer.

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)

Anti-virus — Vba32

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-23440",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-23440",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-13T16:48:43.141620Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "help@fluidattacks.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "help@fluidattacks.com",
      "affectedData": [
        {
          "vendor": "VirusBlokAda",
          "product": "Vba32 Antivirus",
          "versions": [
            {
              "status": "affected",
              "version": "3.36.0"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-02-13T15:15:09.070",
  "references": [
    {
      "url": "https://fluidattacks.com/advisories/adderley/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "help@fluidattacks.com"
    },
    {
      "url": "https://www.anti-virus.by/vba32",
      "tags": [
        "Product"
      ],
      "source": "help@fluidattacks.com"
    },
    {
      "url": "https://fluidattacks.com/advisories/adderley/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.anti-virus.by/vba32",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "help@fluidattacks.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of the Vba32m64.sys driver allows to read up to 0x802 of memory from ar arbitrary user-supplied pointer."
    },
    {
      "lang": "es",
      "value": "Vba32 Antivirus v3.36.0 es afectado por una vulnerabilidad de lectura de memoria arbitraria. El código IOCTL 0x22200B del controlador Vba32m64.sys permite leer hasta 0x802 de memoria desde un puntero arbitrario proporcionado por el usuario."
    }
  ],
  "lastModified": "2026-06-17T07:12:57.247",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:anti-virus:vba32:3.36.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "00ECDEA3-9AF7-405E-B0BB-1EA693E52ACF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "help@fluidattacks.com"
}