cve-2020-16125
Vulnerability from cvelistv5
Published
2020-11-10 04:20
Modified
2024-09-17 03:59
Severity ?
7.2 (High) - CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Summary
gdm3 would start gnome-initial-setup if it cannot contact accountservice
References
security@ubuntu.comhttps://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314Third Party Advisory
security@ubuntu.comhttps://gitlab.gnome.org/GNOME/gdm/-/issues/642Exploit, Vendor Advisory
security@ubuntu.comhttps://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemonExploit, Third Party Advisory
Impacted products
GnomeGDM3
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:37:53.357Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.gnome.org/GNOME/gdm/-/issues/642"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GDM3",
          "vendor": "Gnome",
          "versions": [
            {
              "lessThan": "3.36.4",
              "status": "affected",
              "version": "3.36",
              "versionType": "custom"
            },
            {
              "lessThan": "3.38.2",
              "status": "affected",
              "version": "3.38",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Kevin Backhouse"
        }
      ],
      "datePublic": "2020-11-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can\u0027t contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-10T04:20:13",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitlab.gnome.org/GNOME/gdm/-/issues/642"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon"
        }
      ],
      "source": {
        "advisory": "https://ubuntu.com/security/notices/USN-4614-1",
        "defect": [
          "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "gdm3 would start gnome-initial-setup if it cannot contact accountservice",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "DATE_PUBLIC": "2020-11-06T00:00:00.000Z",
          "ID": "CVE-2020-16125",
          "STATE": "PUBLIC",
          "TITLE": "gdm3 would start gnome-initial-setup if it cannot contact accountservice"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "GDM3",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "3.36",
                            "version_value": "3.36.4"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "3.38",
                            "version_value": "3.38.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Gnome"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Kevin Backhouse"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can\u0027t contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:P/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-754 Improper Check for Unusual or Exceptional Conditions"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.gnome.org/GNOME/gdm/-/issues/642",
              "refsource": "MISC",
              "url": "https://gitlab.gnome.org/GNOME/gdm/-/issues/642"
            },
            {
              "name": "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314",
              "refsource": "MISC",
              "url": "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314"
            },
            {
              "name": "https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon",
              "refsource": "MISC",
              "url": "https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon"
            }
          ]
        },
        "source": {
          "advisory": "https://ubuntu.com/security/notices/USN-4614-1",
          "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2020-16125",
    "datePublished": "2020-11-10T04:20:13.785444Z",
    "dateReserved": "2020-07-29T00:00:00",
    "dateUpdated": "2024-09-17T03:59:24.216Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-16125\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2020-11-10T05:15:11.893\",\"lastModified\":\"2020-11-24T18:12:02.827\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can\u0027t contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.\"},{\"lang\":\"es\",\"value\":\"gdm3 versiones anteriores a 3.36.2 o 3.38.2, comenzar\u00eda la configuraci\u00f3n inicial de gnom si gdm3 no puede ponerse en contacto con el servicio de cuentas por medio de dbus de manera oportuna; en Ubuntu (y potencialmente en sus derivados) esto podr\u00eda enlazarse con un problema adicional que podr\u00eda permitir a un usuario local crear una nueva cuenta privilegiada\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"PHYSICAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.9,\"impactScore\":5.9},{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H\",\"attackVector\":\"PHYSICAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.6},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]},{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.36.2\",\"matchCriteriaId\":\"475F1B20-AB5C-4B5B-80D7-437291D4D31F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.38.0\",\"versionEndExcluding\":\"3.38.2\",\"matchCriteriaId\":\"BAA7964B-BB51-4E2F-8400-F4B29DF9C0B1\"}]}]}],\"references\":[{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://gitlab.gnome.org/GNOME/gdm/-/issues/642\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.