FKIE_CVE-2021-30952

Vulnerability from fkie_nvd - Published: 2021-08-24 19:15 - Updated: 2026-03-06 13:44
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
References
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2022/01/21/2Mailing List, Third Party Advisory
product-security@apple.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/Broken Link
product-security@apple.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/Broken Link
product-security@apple.comhttps://support.apple.com/en-us/HT212975Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212976Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212978Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212980Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212982Release Notes, Vendor Advisory
product-security@apple.comhttps://www.debian.org/security/2022/dsa-5060Mailing List, Third Party Advisory
product-security@apple.comhttps://www.debian.org/security/2022/dsa-5061Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/01/21/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/Broken Link
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/Broken Link
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212975Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212976Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212978Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212980Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212982Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5060Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5061Mailing List, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kitExploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30952US Government Resource
Impacted products
Vendor Product Version
apple safari *
apple ipados *
apple iphone_os *
apple macos *
apple tvos *
apple watchos *
fedoraproject fedora 34
fedoraproject fedora 35
debian debian_linux 10.0
debian debian_linux 11.0
webkitgtk webkitgtk *
wpewebkit wpe_webkit *
To clipboard 

{
  "cisaActionDue": "2026-03-26",
  "cisaExploitAdd": "2026-03-05",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Apple Multiple Products Integer Overflow or Wraparound Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7B60AA98-68B6-4770-884B-36AE7826E729",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CCE4E546-A0DD-4E9E-A6B9-C19B04D77466",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7FB904C1-43D1-4583-8729-5D1B1746A54C",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CA118623-E817-42AA-AB39-6239B1284192",
              "versionEndExcluding": "12.1",
              "versionStartIncluding": "12.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "16CAE2FB-FADC-4BF4-9115-D20D365051BF",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7A7245FB-6FBE-4C09-80F5-18504CA623B3",
              "versionEndExcluding": "8.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
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              "vulnerable": true
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      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0529EBF6-4F6C-47D5-AD9A-C91C0B4EBC2F",
              "versionEndExcluding": "2.34.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "2.34.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un desbordamiento de enteros con una comprobaci\u00f3n de entrada mejorada.\u0026#xa0;Este problema es corregido en tvOS versi\u00f3n 15.2, macOS Monterey versi\u00f3n 12.1, Safari versi\u00f3n 15.2, iOS versi\u00f3n 15.2 e iPadOS versi\u00f3n 15.2, watchOS versi\u00f3n 8.3.\u0026#xa0;El procesamiento de contenido web creado con fines maliciosos puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitrario"
    }
  ],
  "id": "CVE-2021-30952",
  "lastModified": "2026-03-06T13:44:17.940",
  "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
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2021-08-24T19:15:21.777",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2022/01/21/2"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/"
    },
    {
      "source": "product-security@apple.com",
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    {
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    },
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      "url": "https://support.apple.com/en-us/HT212978"
    },
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    },
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      "url": "https://support.apple.com/en-us/HT212982"
    },
    {
      "source": "product-security@apple.com",
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      ],
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    },
    {
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    },
    {
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    },
    {
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        "Vendor Advisory"
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    },
    {
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    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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        "Vendor Advisory"
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      "url": "https://support.apple.com/en-us/HT212982"
    },
    {
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      "url": "https://www.debian.org/security/2022/dsa-5060"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30952"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.