{
  "id": "CVE-2020-19725",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-08-22T19:16:04.567",
  "lastModified": "2023-08-25T02:46:10.523",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a use-after-free vulnerability in file pdd_simplifier.cpp in Z3 before 4.8.8. It occurs when the solver attempt to simplify the constraints and causes unexpected memory access. It can cause segmentation faults or arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad use-after-free en el archivo pdd_simplifier.cpp en Z3 antes de la versi\u00f3n 4.8.8. Ocurre cuando el solucionador intenta simplificar las restricciones y provoca un acceso inesperado a la memoria. Puede causar fallos de segmentaci\u00f3n o ejecuci\u00f3n arbitraria de c\u00f3digo. "
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:microsoft:z3:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.8.8",
              "matchCriteriaId": "6D8EF4B1-776B-4405-896B-9C0EC073D347"
            }
          ]
        }
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    }
  ],
  "references": [
    {
      "url": "https://github.com/Z3Prover/z3/issues/3363",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}