GSD-2020-16122

Vulnerability from gsd - Updated: 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.
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Aliases
CVE-2020-16122
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{
  "GSD": {
    "alias": "CVE-2020-16122",
    "description": "PackageKit\u0027s 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\u0027s 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": {
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      "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2020-06-12T00:00:00.000Z",
        "ID": "CVE-2020-16122",
        "STATE": "PUBLIC",
        "TITLE": "Packagekit\u0027s apt backend lets user install untrusted local packages"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
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                    "version": {
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                          "version_affected": "\u003c",
                          "version_name": "1.1.13-2ubuntu",
                          "version_value": "1.1.13-2ubuntu1.1"
                        },
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                          "version_affected": "\u003c",
                          "version_name": "1.1.9-1ubuntu",
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                          "version_affected": "\u003c",
                          "version_name": "0.8.17-4ubuntu",
                          "version_value": "0.8.17-4ubuntu6~gcc5.4ubuntu1.5"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "PackageKit"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Sami Niemim\u00e4ki and Esko J\u00e4rnfors"
        }
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          }
        ]
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      "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": {
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            "description": [
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                "value": "CWE-269 Improper Privilege Management"
              }
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          }
        ]
      },
      "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": {
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          "ID": "CVE-2020-16122"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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        "references": {
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            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
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                "Third Party Advisory"
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              "url": "https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098"
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      },
      "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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