GSD-2020-27943

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-27943",
    "description": "A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.",
    "id": "GSD-2020-27943",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2020-27943"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-27943"
      ],
      "details": "A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.",
      "id": "GSD-2020-27943",
      "modified": "2023-12-13T01:22:10.975134Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "product-security@apple.com",
        "ID": "CVE-2020-27943",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "iOS and iPadOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "14.3"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "tvOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "14.3"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "watchOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "7.2"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "macOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "11.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Apple"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          {
            "lang": "eng",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Processing a maliciously crafted font file may lead to arbitrary code execution"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://support.apple.com/en-us/HT212011",
            "refsource": "MISC",
            "url": "https://support.apple.com/en-us/HT212011"
          },
          {
            "name": "https://support.apple.com/en-us/HT212003",
            "refsource": "MISC",
            "url": "https://support.apple.com/en-us/HT212003"
          },
          {
            "name": "https://support.apple.com/en-us/HT212005",
            "refsource": "MISC",
            "url": "https://support.apple.com/en-us/HT212005"
          },
          {
            "name": "https://support.apple.com/en-us/HT212009",
            "refsource": "MISC",
            "url": "https://support.apple.com/en-us/HT212009"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "11.1.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "product-security@apple.com",
          "ID": "CVE-2020-27943"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.apple.com/en-us/HT212003",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://support.apple.com/en-us/HT212003"
            },
            {
              "name": "https://support.apple.com/en-us/HT212011",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://support.apple.com/en-us/HT212011"
            },
            {
              "name": "https://support.apple.com/en-us/HT212009",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://support.apple.com/en-us/HT212009"
            },
            {
              "name": "https://support.apple.com/en-us/HT212005",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://support.apple.com/en-us/HT212005"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-04-07T17:49Z",
      "publishedDate": "2021-04-02T18:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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