Vulnerability-Lookup

WID-SEC-W-2023-1536

Vulnerability from csaf_certbund - Published: 2023-06-21 22:00 - Updated: 2023-06-21 22:00

Summary

Kubernetes: Schwachstelle ermöglicht Privilegieneskalation

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Kubernetes ist ein Werkzeug zur Automatisierung der Bereitstellung, Skalierung und Verwaltung von containerisierten Anwendungen.

Angriff

Ein Angreifer kann eine Schwachstelle in Kubernetes ausnutzen, um seine Privilegien zu erhöhen.

Betroffene Betriebssysteme

- BIOS/Firmware

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Kubernetes ist ein Werkzeug zur Automatisierung der Bereitstellung, Skalierung und Verwaltung von containerisierten Anwendungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann eine Schwachstelle in Kubernetes ausnutzen, um seine Privilegien zu erh\u00f6hen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- BIOS/Firmware",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-1536 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1536.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1536 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1536"
      },
      {
        "category": "external",
        "summary": "Github Advisory Database vom 2023-06-21",
        "url": "https://github.com/kubernetes/kops/issues/15539"
      }
    ],
    "source_lang": "en-US",
    "title": "Kubernetes: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2023-06-21T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:52:55.320+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1536",
      "initial_release_date": "2023-06-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-06-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Kubernetes kOps \u003c 1.26.2",
                "product": {
                  "name": "Open Source Kubernetes kOps \u003c 1.26.2",
                  "product_id": "T028278",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:kubernetes:kubernetes:kops__1.26.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Kubernetes kOps \u003c 1.25.4",
                "product": {
                  "name": "Open Source Kubernetes kOps \u003c 1.25.4",
                  "product_id": "T028279",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:kubernetes:kubernetes:kops__1.25.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Kubernetes"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-1943",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Kubernetes. Der Fehler besteht in kOps, wenn der GCP-Provider im Gossip-Modus ausgef\u00fchrt wird. Ein Angreifer aus dem angrenzenden Netzwerk kann diese Schwachstelle ausnutzen, indem er einen im Cluster ausgef\u00fchrten Container verwendet, um vertrauliche Informationen aus dem State Storage Bucket abzurufen und sein Rechte zu Cluster-Admin-Berechtigungen zu eskalieren."
        }
      ],
      "release_date": "2023-06-21T22:00:00.000+00:00",
      "title": "CVE-2023-1943"
    }
  ]
}

CVE-2023-1943 (GCVE-0-2023-1943)

Vulnerability from cvelistv5 – Published: 2023-10-11 23:01 – Updated: 2024-09-18 15:06

Title

Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode

Summary

Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode.

Severity ?

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-250 - Execution with Unnecessary Privileges

Assigner

kubernetes

References

URL

Tags

	https://github.com/kubernetes/kops/issues/15539	issue-tracking
	https://groups.google.com/g/kubernetes-security-a…	mailing-list

Impacted products

	Vendor	Product	Version
	Kubernetes	kops	Affected: 0 , < 1.25.3 (semver) Unaffected: 1.25.3 Affected: 1.26.0 , < 1.26.2 (semver) Unaffected: 1.26.2

Credits

James Cleverley-Prance

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:05:27.089Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/kops/issues/15539"
          },
          {
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/kubernetes-security-announce/c/yrCE1x89oaU"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:kubernetes:kops:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "kops",
            "vendor": "kubernetes",
            "versions": [
              {
                "lessThan": "1.25.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              },
              {
                "lessThan": "1.26.2",
                "status": "affected",
                "version": "1.26.0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-1943",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T14:53:20.240499Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-18T15:06:31.946Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "kops",
          "repo": "https://github.com/kubernetes/kops",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThan": "1.25.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.25.3"
            },
            {
              "lessThan": "1.26.2",
              "status": "affected",
              "version": "1.26.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.26.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "James Cleverley-Prance"
        }
      ],
      "datePublic": "2023-06-21T18:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode.\u003cbr\u003e"
            }
          ],
          "value": "Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode.\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-250",
              "description": "CWE-250: Execution with Unnecessary Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-11T23:01:50.876Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kops/issues/15539"
        },
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/yrCE1x89oaU"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Privilege Escalation in kOps using GCE/GCP Provider in Gossip Mode",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2023-1943",
    "datePublished": "2023-10-11T23:01:50.876Z",
    "dateReserved": "2023-04-07T20:38:48.430Z",
    "dateUpdated": "2024-09-18T15:06:31.946Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

WID-SEC-W-2023-1536

CVE-2023-1943 (GCVE-0-2023-1943)

Tags

Sightings

Nomenclature