FKIE_CVE-2021-27186

Vulnerability from fkie_nvd - Published: 2021-02-10 22:15 - Updated: 2024-11-21 05:57
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.
References
cve@mitre.orghttps://github.com/fluent/fluent-bit/issues/3044Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/fluent/fluent-bit/pull/3045Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/fluent/fluent-bit/pull/3047Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/fluent/fluent-bit/issues/3044Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/fluent/fluent-bit/pull/3045Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/fluent/fluent-bit/pull/3047Patch, Third Party Advisory
Impacted products
Vendor Product Version
treasuredata fluent_bit 1.6.10
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:treasuredata:fluent_bit:1.6.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "20744F77-02AC-4F07-A359-27275282DCE4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c."
    },
    {
      "lang": "es",
      "value": "Fluent Bit versi\u00f3n 1.6.10, presenta una desreferencia del puntero NULL cuando un valor de retorno flb_malloc no es comprobado por los archivos flb_avro.c o http_server/api/v1/metrics.c"
    }
  ],
  "id": "CVE-2021-27186",
  "lastModified": "2024-11-21T05:57:31.047",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-10T22:15:13.877",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/fluent/fluent-bit/issues/3044"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Patch",
        "Third Party Advisory"
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      "url": "https://github.com/fluent/fluent-bit/pull/3045"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://github.com/fluent/fluent-bit/pull/3047"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://github.com/fluent/fluent-bit/pull/3047"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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