WID-SEC-W-2025-2670

Vulnerability from csaf_certbund - Published: 2025-11-24 23:00 - Updated: 2025-11-25 23:00
Summary
Fluent Bit: Mehrere Schwachstellen

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
Fluent Bit ist ein Open-Source Log-Prozessor und -Forwarder in Fluentd Umgebungen.
Angriff
Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Fluent Bit ausnutzen, um Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme
- Sonstiges - UNIX
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{
  "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": "Fluent Bit ist ein Open-Source Log-Prozessor und -Forwarder in Fluentd Umgebungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Fluent Bit ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen, beliebigen Code auszuf\u00fchren, einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.",
        "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-2025-2670 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2670.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2670 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2670"
      },
      {
        "category": "external",
        "summary": "CERT Coordination Center Advisory vom 2025-11-24",
        "url": "https://kb.cert.org/vuls/id/761751"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-11-24",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12969"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-11-24",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12970"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-11-24",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12972"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-11-24",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12977"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-11-24",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12978"
      },
      {
        "category": "external",
        "summary": "Oligo Security Blog vom 2025-11-24",
        "url": "https://www.oligo.security/blog/critical-vulnerabilities-in-fluent-bit-expose-cloud-environments-to-remote-takeover"
      }
    ],
    "source_lang": "en-US",
    "title": "Fluent Bit: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-11-25T23:00:00.000+00:00",
      "generator": {
        "date": "2025-11-26T07:42:11.649+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-2670",
      "initial_release_date": "2025-11-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-11-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-11-25T23:00:00.000+00:00",
          "number": "2",
          "summary": "Weitere Quelle augenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.1.0",
                "product": {
                  "name": "Open Source Fluent Bit \u003c4.1.0",
                  "product_id": "T048887"
                }
              },
              {
                "category": "product_version",
                "name": "4.1.0",
                "product": {
                  "name": "Open Source Fluent Bit 4.1.0",
                  "product_id": "T048887-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:fluentbit:fluentbit:4.1.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Fluent Bit"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-12969",
      "product_status": {
        "known_affected": [
          "T048887"
        ]
      },
      "release_date": "2025-11-24T23:00:00.000+00:00",
      "title": "CVE-2025-12969"
    },
    {
      "cve": "CVE-2025-12970",
      "product_status": {
        "known_affected": [
          "T048887"
        ]
      },
      "release_date": "2025-11-24T23:00:00.000+00:00",
      "title": "CVE-2025-12970"
    },
    {
      "cve": "CVE-2025-12972",
      "product_status": {
        "known_affected": [
          "T048887"
        ]
      },
      "release_date": "2025-11-24T23:00:00.000+00:00",
      "title": "CVE-2025-12972"
    },
    {
      "cve": "CVE-2025-12977",
      "product_status": {
        "known_affected": [
          "T048887"
        ]
      },
      "release_date": "2025-11-24T23:00:00.000+00:00",
      "title": "CVE-2025-12977"
    },
    {
      "cve": "CVE-2025-12978",
      "product_status": {
        "known_affected": [
          "T048887"
        ]
      },
      "release_date": "2025-11-24T23:00:00.000+00:00",
      "title": "CVE-2025-12978"
    }
  ]
}


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  • 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.
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  • 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.