gsd-2020-16122
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.
Aliases
Aliases
CVE-2020-16122


To clipboard 

{
   GSD: {
      alias: "CVE-2020-16122",
      description: "PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.",
      id: "GSD-2020-16122",
      references: [
         "https://ubuntu.com/security/CVE-2020-16122",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-16122",
         ],
         details: "PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.",
         id: "GSD-2020-16122",
         modified: "2023-12-13T01:21:46.249849Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "security@ubuntu.com",
            DATE_PUBLIC: "2020-06-12T00:00:00.000Z",
            ID: "CVE-2020-16122",
            STATE: "PUBLIC",
            TITLE: "Packagekit's apt backend lets user install untrusted local packages",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "packagekit",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "1.1.13-2ubuntu",
                                       version_value: "1.1.13-2ubuntu1.1",
                                    },
                                    {
                                       version_affected: "<",
                                       version_name: "1.1.9-1ubuntu",
                                       version_value: "1.1.9-1ubuntu2.18.04.6",
                                    },
                                    {
                                       version_affected: "<",
                                       version_name: "0.8.17-4ubuntu",
                                       version_value: "0.8.17-4ubuntu6~gcc5.4ubuntu1.5",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "PackageKit",
                  },
               ],
            },
         },
         credit: [
            {
               lang: "eng",
               value: "Sami Niemimäki and Esko Järnfors",
            },
         ],
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.",
               },
            ],
         },
         generator: {
            engine: "Vulnogram 0.0.9",
         },
         impact: {
            cvss: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 8.2,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "CHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
               version: "3.1",
            },
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "CWE-269 Improper Privilege Management",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098",
                  refsource: "MISC",
                  url: "https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098",
               },
            ],
         },
         source: {
            advisory: "https://ubuntu.com/security/notices/USN-4538-1",
            defect: [
               "https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098",
            ],
            discovery: "EXTERNAL",
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:packagekit_project:packagekit:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "security@ubuntu.com",
               ID: "CVE-2020-16122",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-345",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "N/A",
                     refsource: "CONFIRM",
                     tags: [
                        "Issue Tracking",
                        "Third Party Advisory",
                     ],
                     url: "https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "LOCAL",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 2.1,
                  confidentialityImpact: "NONE",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:L/AC:L/Au:N/C:N/I:P/A:N",
                  version: "2.0",
               },
               exploitabilityScore: 3.9,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "LOW",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 1.8,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2022-10-21T18:12Z",
         publishedDate: "2020-11-07T04:15Z",
      },
   },
}


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