CVE-2024-9486
Vulnerability from cvelistv5
Published
2024-10-15 20:33
Modified
2024-10-16 18:56
Severity ?
Summary
VM images built with Image Builder and Proxmox provider use default credentials
Impacted products
Vendor Product Version
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:kubernetes:image_builder:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "image_builder",
            "vendor": "kubernetes",
            "versions": [
              {
                "lessThan": "0.1.38",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-9486",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-16T18:55:30.755505Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-16T18:56:40.632Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Image Builder",
          "repo": "https://github.com/kubernetes-sigs/image-builder",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThanOrEqual": "0.1.37",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.1.38"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Nicolai Rybnikar @rybnico from Rybnikar Enterprises GmbH."
        }
      ],
      "datePublic": "2024-10-14T15:25:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA security issue was discovered in the Kubernetes Image Builder versions \u0026lt;= v0.1.37 where default credentials are enabled during the image build process. Virtual machine images built using the Proxmox provider do not disable these default credentials, and nodes using the resulting images may be accessible via these default credentials. The credentials can be used to gain root access. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project with its Proxmox provider.\u003c/p\u003e"
            }
          ],
          "value": "A security issue was discovered in the Kubernetes Image Builder versions \u003c= v0.1.37 where default credentials are enabled during the image build process. Virtual machine images built using the Proxmox provider do not disable these default credentials, and nodes using the resulting images may be accessible via these default credentials. The credentials can be used to gain root access. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project with its Proxmox provider."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-395",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-395 Bypassing Electronic Locks and Access Controls"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "VM Images built via Proxmox provider"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "CWE-798 Use of Hard-coded Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-15T20:33:43.138Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/128006"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/kubernetes-sigs/image-builder/pull/1595"
        },
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/UKJG-oZogfA/m/Lu1hcnHmAQAJ"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eRebuild any affected images using a fixed version of Image Builder. Re-deploy the fixed images to any affected VMs.\u003c/p\u003e"
            }
          ],
          "value": "Rebuild any affected images using a fixed version of Image Builder. Re-deploy the fixed images to any affected VMs."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "VM images built with Image Builder and Proxmox provider use default credentials",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003ePrior to upgrading, this vulnerability can be mitigated by disabling the builder account on affected VMs:\u003cbr\u003eusermod -L builder\u003c/p\u003e"
            }
          ],
          "value": "Prior to upgrading, this vulnerability can be mitigated by disabling the builder account on affected VMs:\nusermod -L builder"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2024-9486",
    "datePublished": "2024-10-15T20:33:43.138Z",
    "dateReserved": "2024-10-03T16:33:36.995Z",
    "dateUpdated": "2024-10-16T18:56:40.632Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-9486\",\"sourceIdentifier\":\"jordan@liggitt.net\",\"published\":\"2024-10-15T21:15:11.573\",\"lastModified\":\"2024-11-08T20:56:54.807\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A security issue was discovered in the Kubernetes Image Builder versions \u003c= v0.1.37 where default credentials are enabled during the image build process. Virtual machine images built using the Proxmox provider do not disable these default credentials, and nodes using the resulting images may be accessible via these default credentials. The credentials can be used to gain root access. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project with its Proxmox provider.\"},{\"lang\":\"es\",\"value\":\"Se descubri\u00f3 un problema de seguridad en las versiones de Kubernetes Image Builder anteriores a la v0.1.37, donde las credenciales predeterminadas se habilitan durante el proceso de creaci\u00f3n de im\u00e1genes. Las im\u00e1genes de m\u00e1quinas virtuales creadas con el proveedor Proxmox no deshabilitan estas credenciales predeterminadas, y los nodos que usan las im\u00e1genes resultantes pueden ser accesibles a trav\u00e9s de estas credenciales predeterminadas. Las credenciales se pueden usar para obtener acceso ra\u00edz. Los cl\u00fasteres de Kubernetes solo se ven afectados si sus nodos usan im\u00e1genes de m\u00e1quinas virtuales creadas a trav\u00e9s del proyecto Image Builder con su proveedor Proxmox.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:image_builder:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.1.38\",\"matchCriteriaId\":\"C86E5438-1480-4C06-9A5E-C96F0756E07B\"}]}]}],\"references\":[{\"url\":\"https://github.com/kubernetes-sigs/image-builder/pull/1595\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/kubernetes/kubernetes/issues/128006\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://groups.google.com/g/kubernetes-security-announce/c/UKJG-oZogfA/m/Lu1hcnHmAQAJ\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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