FKIE_CVE-2018-9234

Vulnerability from fkie_nvd - Published: 2018-04-04 00:29 - Updated: 2026-06-17 02:06
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.
References
cve@mitre.orghttps://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3675-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3675-1/Third Party Advisory
Impacted products
Vendor Product Version
gnupg gnupg 2.2.4
gnupg gnupg 2.2.5
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 17.10
canonical ubuntu_linux 18.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
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              "matchCriteriaId": "3E01720E-775D-4A63-9BC0-FF61549FBC1D",
              "vulnerable": true
            },
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              "matchCriteriaId": "80550226-BF2F-45E4-8B51-8E6886AA58F6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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    {
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey."
    },
    {
      "lang": "es",
      "value": "GnuPG 2.2.4 y 2.2.5 no aplica una configuraci\u00f3n en la que la certificaci\u00f3n de claves requiere una clave maestra Certify offline. Esto resulta en que certificados aparentemente v\u00e1lidos ocurran solo con acceso a una subclave de firma."
    }
  ],
  "id": "CVE-2018-9234",
  "lastModified": "2026-06-17T02:06:14.943",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-04-04T00:29:00.227",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://dev.gnupg.org/T3844"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://usn.ubuntu.com/3675-1/"
    },
    {
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      ],
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    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-320"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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