gsd-2020-24490
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.
Aliases
Aliases
CVE-2020-24490


To clipboard 

{
   GSD: {
      alias: "CVE-2020-24490",
      description: "Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.",
      id: "GSD-2020-24490",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-24490.html",
         "https://access.redhat.com/errata/RHSA-2020:4686",
         "https://access.redhat.com/errata/RHSA-2020:4685",
         "https://ubuntu.com/security/CVE-2020-24490",
         "https://advisories.mageia.org/CVE-2020-24490.html",
         "https://security.archlinux.org/CVE-2020-24490",
         "https://alas.aws.amazon.com/cve/html/CVE-2020-24490.html",
         "https://linux.oracle.com/cve/CVE-2020-24490.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-24490",
         ],
         details: "Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.",
         id: "GSD-2020-24490",
         modified: "2023-12-13T01:22:12.008750Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secure@intel.com",
            ID: "CVE-2020-24490",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "BlueZ Advisory",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "all Linux kernel versions that support BlueZ",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "denial of service",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html",
                  refsource: "CONFIRM",
                  url: "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:a:bluez:bluez:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: true,
                           },
                        ],
                        operator: "OR",
                     },
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                              cpe_name: [],
                              versionEndExcluding: "4.19.137",
                              versionStartIncluding: "4.19",
                              vulnerable: false,
                           },
                           {
                              cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                              cpe_name: [],
                              versionEndExcluding: "5.4.56",
                              versionStartIncluding: "4.20",
                              vulnerable: false,
                           },
                           {
                              cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                              cpe_name: [],
                              versionEndExcluding: "5.7.13",
                              versionStartIncluding: "5.5.0",
                              vulnerable: false,
                           },
                        ],
                        operator: "OR",
                     },
                  ],
                  cpe_match: [],
                  operator: "AND",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secure@intel.com",
               ID: "CVE-2020-24490",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "NVD-CWE-noinfo",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html",
                     refsource: "CONFIRM",
                     tags: [
                        "Patch",
                        "Vendor Advisory",
                     ],
                     url: "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "ADJACENT_NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 3.3,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:A/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 6.5,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "LOW",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "ADJACENT_NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 6.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 2.8,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2021-07-21T11:39Z",
         publishedDate: "2021-02-02T22:15Z",
      },
   },
}


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