CVE-2023-4104 (GCVE-0-2023-4104)

Vulnerability from cvelistv5 – Published: 2023-09-11 08:02 – Updated: 2025-07-03 13:57
VLAI?
Summary
An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups. *This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 < (Linux).
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • Local user authentication flaws in Mozilla VPN client for Linux in v2.16.0 and below.
Assigner
References
Impacted products
Vendor Product Version
Mozilla Mozilla VPN 2.16.1 Affected: unspecified , < (Linux) (custom)
Create a notification for this product.
Credits
Matthias Gerstner
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:17:11.903Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1831318"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2023-39/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2023/08/03/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-4104",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-26T14:54:54.146104Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-862",
                "description": "CWE-862 Missing Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-03T13:57:22.751Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Mozilla VPN 2.16.1",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "(Linux)",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Matthias Gerstner"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\u003cbr\u003e*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 \u003c (Linux)."
            }
          ],
          "value": "An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\n*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 \u003c (Linux)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Local user authentication flaws in Mozilla VPN client for Linux in v2.16.0 and below.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-02T20:42:35.551Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1831318"
        },
        {
          "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055"
        },
        {
          "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110"
        },
        {
          "url": "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2023-39/"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2023/08/03/1"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2023-4104",
    "datePublished": "2023-09-11T08:02:53.854Z",
    "dateReserved": "2023-08-02T13:32:46.131Z",
    "dateUpdated": "2025-07-03T13:57:22.751Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mozilla:vpn:*:*:*:*:*:linux:*:*\", \"versionEndExcluding\": \"2.16.1\", \"matchCriteriaId\": \"60737FA0-0B0A-4423-891A-6E747F952254\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\\n*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN client for Linux \u003c v2.16.1.\"}, {\"lang\": \"es\", \"value\": \"Una verificaci\\u00f3n de Autenticaci\\u00f3n No V\\u00e1lida de Polkit y requisitos de autenticaci\\u00f3n faltantes para los m\\u00e9todos D-Bus permitieron a cualquier usuario local configurar configuraciones VPN arbitrarias. *Este error s\\u00f3lo afecta a Mozilla VPN en Linux. Otros sistemas operativos no se ven afectados.* Esta vulnerabilidad afecta al cliente VPN de Mozilla para Linux \u0026lt; v2.16.1.\\n\"}]",
      "id": "CVE-2023-4104",
      "lastModified": "2024-11-21T08:34:24.063",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2023-09-11T09:15:08.997",
      "references": "[{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\", \"source\": \"security@mozilla.org\", \"tags\": [\"Exploit\", \"Issue Tracking\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\", \"source\": \"security@mozilla.org\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\", \"source\": \"security@mozilla.org\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\", \"source\": \"security@mozilla.org\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-39/\", \"source\": \"security@mozilla.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2023/08/03/1\", \"source\": \"security@mozilla.org\", \"tags\": [\"Exploit\", \"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-39/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2023/08/03/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Mailing List\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "security@mozilla.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-862\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-4104\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2023-09-11T09:15:08.997\",\"lastModified\":\"2025-07-03T14:15:25.717\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\\n*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 \u003c (Linux).\"},{\"lang\":\"es\",\"value\":\"Una verificaci\u00f3n de Autenticaci\u00f3n No V\u00e1lida de Polkit y requisitos de autenticaci\u00f3n faltantes para los m\u00e9todos D-Bus permitieron a cualquier usuario local configurar configuraciones VPN arbitrarias. *Este error s\u00f3lo afecta a Mozilla VPN en Linux. Otros sistemas operativos no se ven afectados.* Esta vulnerabilidad afecta al cliente VPN de Mozilla para Linux \u0026lt; v2.16.1.\\n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:vpn:*:*:*:*:*:linux:*:*\",\"versionEndExcluding\":\"2.16.1\",\"matchCriteriaId\":\"60737FA0-0B0A-4423-891A-6E747F952254\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\",\"source\":\"security@mozilla.org\",\"tags\":[\"Exploit\",\"Issue Tracking\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2023-39/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2023/08/03/1\",\"source\":\"security@mozilla.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2023-39/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2023/08/03/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-39/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2023/08/03/1\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T07:17:11.903Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-4104\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-26T14:54:54.146104Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"CWE-862 Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-26T14:54:59.724Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"value\": \"Matthias Gerstner\"}], \"affected\": [{\"vendor\": \"Mozilla\", \"product\": \"Mozilla VPN 2.16.1\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"(Linux)\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1831318\"}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055\"}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110\"}, {\"url\": \"https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151\"}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2023-39/\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2023/08/03/1\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\\n*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 \u003c (Linux).\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups.\u003cbr\u003e*This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 \u003c (Linux).\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Local user authentication flaws in Mozilla VPN client for Linux in v2.16.0 and below.\"}]}], \"providerMetadata\": {\"orgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"shortName\": \"mozilla\", \"dateUpdated\": \"2025-07-02T20:42:35.551Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-4104\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-03T13:57:22.751Z\", \"dateReserved\": \"2023-08-02T13:32:46.131Z\", \"assignerOrgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"datePublished\": \"2023-09-11T08:02:53.854Z\", \"assignerShortName\": \"mozilla\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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 observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.