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CVE-2024-7834

Estado: AnalizadaAlta (7.8)—

A local privilege escalation is caused by Overwolf loading and executing certain dynamic link library files from a user-writeable folder in SYSTEM context on launch. This allows an attacker with unprivileged access to the system to run arbitrary code with SYSTEM privileges by placing a malicious .dll file in the respective location.

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)

Overwolf — Overwolf

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-7834",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-7834",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-04T13:07:34.850195Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "a341c0d1-ebf7-493f-a84e-38cf86618674",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "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": "a341c0d1-ebf7-493f-a84e-38cf86618674",
      "affectedData": [
        {
          "vendor": "Overwolf",
          "product": "Overwolf",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "250.1.1",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:overwolf:overwolf:*:*:*:*:*:*:*:*"
          ],
          "vendor": "overwolf",
          "product": "overwolf",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "250.1.1",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-09-04T13:15:07.030",
  "references": [
    {
      "url": "https://www.cirosec.de/sa/sa-2024-004",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A local privilege escalation is caused by Overwolf\nloading and executing certain dynamic link library files from a user-writeable\nfolder in SYSTEM context on launch. This allows an attacker with unprivileged\naccess to the system to run arbitrary code with SYSTEM privileges by placing a\nmalicious .dll file in the respective location."
    },
    {
      "lang": "es",
      "value": "Una escalada de privilegios locales se produce cuando Overwolf carga y ejecuta determinados archivos de librería de vínculos dinámicos desde una carpeta que permite la escritura del usuario en el contexto del SYSTEM al iniciarse. Esto permite que un atacante con acceso sin privilegios al sistema ejecute código arbitrario con privilegios del SYSTEM colocando un archivo .dll malicioso en la ubicación correspondiente."
    }
  ],
  "lastModified": "2026-06-17T08:21:00.577",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:overwolf:overwolf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CA50C3FD-7195-4480-B383-1340702378BF",
              "versionEndExcluding": "250.1.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "a341c0d1-ebf7-493f-a84e-38cf86618674"
}