Vulnerability-Lookup

WID-SEC-W-2024-1184

Vulnerability from csaf_certbund - Published: 2024-05-20 22:00 - Updated: 2024-07-11 22:00

Summary

Fluent Bit: Schwachstelle ermöglicht Codeausführung, Offenlegung von Informationen und DoS

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 Angreifer kann eine Schwachstelle in Fluent Bit ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

Betroffene Betriebssysteme

- Linux - UNIX

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": "Fluent Bit ist ein Open-Source Log-Prozessor und -Forwarder in Fluentd Umgebungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter anonymer Angreifer kann eine Schwachstelle in Fluent Bit ausnutzen, um beliebigen Code auszuf\u00fchren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszul\u00f6sen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\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-2024-1184 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1184.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1184 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1184"
      },
      {
        "category": "external",
        "summary": "Tenable Research Advisory - Fluent Bit Memory Corruption Vulnerability vom 2024-05-20",
        "url": "https://de.tenable.com/security/research/tra-2024-17"
      },
      {
        "category": "external",
        "summary": "GitHub Commit",
        "url": "https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04"
      },
      {
        "category": "external",
        "summary": "Tenable Blog vom 2024-05-20",
        "url": "https://www.tenable.com/blog/linguistic-lumberjack-attacking-cloud-services-via-logging-endpoints-fluent-bit-cve-2024-4323"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-F3C8D05888 vom 2024-07-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-f3c8d05888"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-07DB6333B0 vom 2024-07-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-07db6333b0"
      }
    ],
    "source_lang": "en-US",
    "title": "Fluent Bit: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung, Offenlegung von Informationen und DoS",
    "tracking": {
      "current_release_date": "2024-07-11T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:09:10.920+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2024-1184",
      "initial_release_date": "2024-05-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-05-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-07-11T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "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": "\u003c3.0.4",
                "product": {
                  "name": "Open Source Fluent Bit \u003c3.0.4",
                  "product_id": "T034912"
                }
              }
            ],
            "category": "product_name",
            "name": "Fluent Bit"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-4323",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Fluent Bit. Dieser Fehler besteht in der Analyse von Trace-Requests durch den eingebetteten http-Server und wird durch ein Problem der Speicherbesch\u00e4digung verursacht. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Code auszuf\u00fchren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "74185"
        ]
      },
      "release_date": "2024-05-20T22:00:00.000+00:00",
      "title": "CVE-2024-4323"
    }
  ]
}

CVE-2024-4323 (GCVE-0-2024-4323)

Vulnerability from cvelistv5 – Published: 2024-05-20 12:06 – Updated: 2024-08-19 07:47

Title

Fluent Bit Memory Corruption Vulnerability

Summary

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.

Severity ?

9.8 (Critical)


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

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

tenable

References

URL

Tags

	https://tenable.com/security/research/tra-2024-17
	https://github.com/fluent/fluent-bit/commit/9311b…

Impacted products

	Vendor	Product	Version
	Fluent Bit	Fluent Bit	Affected: 2.0.7 , ≤ 3.0.3 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "fluent_bit",
            "vendor": "treasuredata",
            "versions": [
              {
                "lessThanOrEqual": "3.0.3",
                "status": "affected",
                "version": "2.0.7",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-4323",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-20T14:38:35.183635Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:54:53.868Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-19T07:47:45.924Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://tenable.com/security/research/tra-2024-17"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04"
          },
          {
            "url": "https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-bit-cve-2024-4323"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Fluent Bit",
          "repo": "https://github.com/fluent/fluent-bit",
          "vendor": "Fluent Bit",
          "versions": [
            {
              "lessThanOrEqual": "3.0.3",
              "status": "affected",
              "version": "2.0.7",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server\u2019s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution."
            }
          ],
          "value": "A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server\u2019s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution."
        }
      ],
      "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": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-01T17:07:24.703Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "url": "https://tenable.com/security/research/tra-2024-17"
        },
        {
          "url": "https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A fix for this issue is introduced in versions 2.2.3 and 3.0.4.\u003cbr\u003e"
            }
          ],
          "value": "A fix for this issue is introduced in versions 2.2.3 and 3.0.4."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Fluent Bit Memory Corruption Vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
    "assignerShortName": "tenable",
    "cveId": "CVE-2024-4323",
    "datePublished": "2024-05-20T12:06:21.696Z",
    "dateReserved": "2024-04-29T18:39:50.531Z",
    "dateUpdated": "2024-08-19T07:47:45.924Z",
    "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-2024-1184

CVE-2024-4323 (GCVE-0-2024-4323)

Tags

Sightings

Nomenclature