FKIE_CVE-2025-68383

Vulnerability from fkie_nvd - Published: 2025-12-18 22:16 - Updated: 2026-06-17 09:59
Severity
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Improper Validation of Specified Index, Position, or Offset in Input (CWE-1285) in Filebeat Syslog parser and the Libbeat Dissect processor can allow a user to trigger a Buffer Overflow (CAPEC-100) and cause a denial of service (panic/crash) of the Filebeat process via either a malformed Syslog message or a malicious tokenizer pattern in the Dissect configuration.
References
security@elastic.cohttps://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180Vendor Advisory
Impacted products
Vendor Product Version
elastic filebeat *
elastic filebeat *
elastic filebeat *
elastic filebeat *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Filebeat",
          "vendor": "Elastic",
          "versions": [
            {
              "lessThanOrEqual": "7.17.29",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.19.8",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.1.8",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.2.2",
              "status": "affected",
              "version": "9.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@elastic.co"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5523AEF7-039A-4A52-B6C8-9435D4B820EA",
              "versionEndIncluding": "7.17.29",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BD5813C6-7671-4C8F-9C1D-321ACC50ACFD",
              "versionEndExcluding": "8.19.9",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5CC85BA6-B896-4B0D-8BF9-E7B3BE778BBB",
              "versionEndExcluding": "9.1.9",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "36797C31-E939-4BEF-9607-7602869A0AD1",
              "versionEndExcluding": "9.2.3",
              "versionStartIncluding": "9.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Validation of Specified Index, Position, or Offset in Input (CWE-1285) in Filebeat Syslog parser and the Libbeat Dissect processor can allow a user to trigger a Buffer Overflow (CAPEC-100) and cause a denial of service (panic/crash) of the Filebeat process via either a malformed Syslog message or a malicious tokenizer pattern in the Dissect configuration."
    }
  ],
  "id": "CVE-2025-68383",
  "lastModified": "2026-06-17T09:59:02.263",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security@elastic.co",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-68383",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-19T15:14:47.682734Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-12-18T22:16:02.387",
  "references": [
    {
      "source": "security@elastic.co",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180"
    }
  ],
  "sourceIdentifier": "security@elastic.co",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ],
      "source": "security@elastic.co",
      "type": "Secondary"
    }
  ]
}


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