gsd-2021-1871
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Aliases
Aliases
CVE-2021-1871


To clipboard 

{
   GSD: {
      alias: "CVE-2021-1871",
      description: "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
      id: "GSD-2021-1871",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-1871.html",
         "https://www.debian.org/security/2021/dsa-4923",
         "https://access.redhat.com/errata/RHSA-2021:4381",
         "https://ubuntu.com/security/CVE-2021-1871",
         "https://advisories.mageia.org/CVE-2021-1871.html",
         "https://security.archlinux.org/CVE-2021-1871",
         "https://linux.oracle.com/cve/CVE-2021-1871.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-1871",
         ],
         details: "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
         id: "GSD-2021-1871",
         modified: "2023-12-13T01:23:23.779922Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cisa.gov": {
         cveID: "CVE-2021-1871",
         dateAdded: "2021-11-03",
         dueDate: "2021-11-17",
         product: "iOS",
         requiredAction: "Apply updates per vendor instructions.",
         shortDescription: "A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.",
         vendorProject: "Apple",
         vulnerabilityName: "Apple iOS Privilege Escalation and Code Execution Chain",
      },
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "product-security@apple.com",
            ID: "CVE-2021-1871",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "iOS and iPadOS",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_value: "14.4",
                                    },
                                 ],
                              },
                           },
                           {
                              product_name: "macOS",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_value: "11.2",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "Apple",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://support.apple.com/en-us/HT212147",
                  refsource: "MISC",
                  url: "https://support.apple.com/en-us/HT212147",
               },
               {
                  name: "https://support.apple.com/en-us/HT212146",
                  refsource: "MISC",
                  url: "https://support.apple.com/en-us/HT212146",
               },
               {
                  name: "FEDORA-2021-864dc37032",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/",
               },
               {
                  name: "DSA-4923",
                  refsource: "DEBIAN",
                  url: "https://www.debian.org/security/2021/dsa-4923",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "14.4",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "14.4",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "10.15.7",
                        versionStartIncluding: "10.15",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "11.2",
                        versionStartIncluding: "11.0.1",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "product-security@apple.com",
               ID: "CVE-2021-1871",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "NVD-CWE-noinfo",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://support.apple.com/en-us/HT212146",
                     refsource: "MISC",
                     tags: [
                        "Vendor Advisory",
                     ],
                     url: "https://support.apple.com/en-us/HT212146",
                  },
                  {
                     name: "https://support.apple.com/en-us/HT212147",
                     refsource: "MISC",
                     tags: [
                        "Vendor Advisory",
                     ],
                     url: "https://support.apple.com/en-us/HT212147",
                  },
                  {
                     name: "FEDORA-2021-864dc37032",
                     refsource: "FEDORA",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/",
                  },
                  {
                     name: "DSA-4923",
                     refsource: "DEBIAN",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://www.debian.org/security/2021/dsa-4923",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 7.5,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "HIGH",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 9.8,
                  baseSeverity: "CRITICAL",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2022-04-26T17:26Z",
         publishedDate: "2021-04-02T19:15Z",
      },
   },
}


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