FKIE_CVE-2017-2491

Vulnerability from fkie_nvd - Published: 2017-06-27 20:29 - Updated: 2026-06-17 01:16
Severity
8.8 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.
References
product-security@apple.comhttp://www.securityfocus.com/bid/98316Third Party Advisory, VDB Entry
product-security@apple.comhttp://www.zerodayinitiative.com/advisories/ZDI-17-321Third Party Advisory, VDB Entry
product-security@apple.comhttps://support.apple.com/en-us/HT207617Vendor Advisory
product-security@apple.comhttps://www.exploit-db.com/exploits/41964/
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98316Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.zerodayinitiative.com/advisories/ZDI-17-321Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT207617Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/41964/
Impacted products
Vendor Product Version
apple iphone_os *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "product-security@apple.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A705829E-76A8-4AA8-8D82-037E4E8A52FC",
              "versionEndIncluding": "10.2.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de uso de la memoria previamente liberada en el m\u00e9todo String.replace de JavaScriptCore en Apple Safari en iOS anterior a la versi\u00f3n 10.3, permite a atacantes remotos ejecutar c\u00f3digo arbitrario por medio de una p\u00e1gina web especialmente dise\u00f1ada, o un archivo especialmente dise\u00f1ado."
    }
  ],
  "id": "CVE-2017-2491",
  "lastModified": "2026-06-17T01:16:18.743",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-06-27T20:29:00.980",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98316"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-17-321"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT207617"
    },
    {
      "source": "product-security@apple.com",
      "url": "https://www.exploit-db.com/exploits/41964/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98316"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-17-321"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT207617"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.exploit-db.com/exploits/41964/"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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