csaf_certbund - wid-sec-w-2025-1831

WID-SEC-W-2025-1831

Vulnerability from csaf_certbund - Published: 2025-08-13 22:00 - Updated: 2025-08-27 22:00

Summary

Kubernetes: Schwachstelle ermöglicht Manipulation von Dateien

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 entfernter, authentisierter Angreifer kann eine Schwachstelle in Kubernetes ausnutzen, um Dateien zu manipulieren.

Betroffene Betriebssysteme

- Sonstiges - UNIX

JSON

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{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "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 entfernter, authentisierter Angreifer kann eine Schwachstelle in Kubernetes ausnutzen, um Dateien zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "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-2025-1831 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1831.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-1831 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1831"
      },
      {
        "category": "external",
        "summary": "Kubernetes Security Advisory vom 2025-08-13",
        "url": "https://github.com/kubernetes/kubernetes/issues/133471"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-9B52DFDAE9 vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-9b52dfdae9"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-A1EC5A674C vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-a1ec5a674c"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-D78E6DDFE3 vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-d78e6ddfe3"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-409ED32016 vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-409ed32016"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-51E8D5EC56 vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-51e8d5ec56"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-8F9B0CA4C7 vom 2025-08-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-8f9b0ca4c7"
      }
    ],
    "source_lang": "en-US",
    "title": "Kubernetes: Schwachstelle erm\u00f6glicht Manipulation von Dateien",
    "tracking": {
      "current_release_date": "2025-08-27T22:00:00.000+00:00",
      "generator": {
        "date": "2025-08-28T05:51:43.102+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2025-1831",
      "initial_release_date": "2025-08-13T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-08-13T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-08-14T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2025-08-27T22:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: EUVD-2025-25937"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "apiserver \u003cv1.31.12",
                "product": {
                  "name": "Open Source Kubernetes apiserver \u003cv1.31.12",
                  "product_id": "T046238"
                }
              },
              {
                "category": "product_version",
                "name": "apiserver v1.31.12",
                "product": {
                  "name": "Open Source Kubernetes apiserver v1.31.12",
                  "product_id": "T046238-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:kubernetes:kubernetes:apiserver__v1.31.12"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "apiserver \u003cv1.32.8",
                "product": {
                  "name": "Open Source Kubernetes apiserver \u003cv1.32.8",
                  "product_id": "T046239"
                }
              },
              {
                "category": "product_version",
                "name": "apiserver v1.32.8",
                "product": {
                  "name": "Open Source Kubernetes apiserver v1.32.8",
                  "product_id": "T046239-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:kubernetes:kubernetes:apiserver__v1.32.8"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "apiserver \u003cv1.33.4",
                "product": {
                  "name": "Open Source Kubernetes apiserver \u003cv1.33.4",
                  "product_id": "T046240"
                }
              },
              {
                "category": "product_version",
                "name": "apiserver v1.33.4",
                "product": {
                  "name": "Open Source Kubernetes apiserver v1.33.4",
                  "product_id": "T046240-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:kubernetes:kubernetes:apiserver__v1.33.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Kubernetes"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-5187",
      "product_status": {
        "known_affected": [
          "T046239",
          "T046238",
          "T046240",
          "74185"
        ]
      },
      "release_date": "2025-08-13T22:00:00.000+00:00",
      "title": "CVE-2025-5187"
    }
  ]
}

CVE-2025-5187 (GCVE-0-2025-5187)

Vulnerability from cvelistv5 – Published: 2025-08-27 16:20 – Updated: 2025-08-28 03:55

Title

Nodes can delete themselves by adding an OwnerReference

Summary

A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.

Severity ?

6.7 (Medium)


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

CWE

CWE-863 - Incorrect Authorization

Assigner

kubernetes

References

URL

Tags

	https://github.com/kubernetes/kubernetes/issues/133471	issue-tracking
	https://groups.google.com/g/kubernetes-security-a…	mailing-list

Impacted products

	Vendor	Product	Version
	Kubernetes	Kubernetes	Affected: v1.31.0 , ≤ v1.31.11 (custom) Affected: v1.32.0 , ≤ v1.32.7 (custom) Affected: v1.33.0 , ≤ v1.33.3 (custom)

Credits

Paul Viossat

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5187",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-27T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-28T03:55:26.841Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThanOrEqual": "v1.31.11",
              "status": "affected",
              "version": "v1.31.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "v1.32.7",
              "status": "affected",
              "version": "v1.32.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "v1.33.3",
              "status": "affected",
              "version": "v1.33.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Paul Viossat"
        }
      ],
      "datePublic": "2025-08-13T20:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
            }
          ],
          "value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-554",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-554 Functionality Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-27T16:20:56.778Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/133471"
        },
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "To mitigate this vulnerability, upgrade Kubernetes:  \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\"\u003ehttps://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\u003c/a\u003e\u003cbr\u003e"
            }
          ],
          "value": "To mitigate this vulnerability, upgrade Kubernetes:   https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Nodes can delete themselves by adding an OwnerReference",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2025-5187",
    "datePublished": "2025-08-27T16:20:56.778Z",
    "dateReserved": "2025-05-25T18:24:14.173Z",
    "dateUpdated": "2025-08-28T03:55:26.841Z",
    "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-2025-1831

CVE-2025-5187 (GCVE-0-2025-5187)

Tags

Sightings

Nomenclature