ghsa-2mj3-6grc-px38
Vulnerability from github
Published
2025-12-19 00:31
Modified
2025-12-19 21:04
Summary
Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration
Details

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.

Show details on source website


{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/elastic/beats/v7"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.7.0"
            },
            {
              "fixed": "8.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/elastic/beats/v7"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/elastic/beats/v7"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.2.0"
            },
            {
              "fixed": "9.2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/elastic/beats/v7"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.0-alpha2.0.20251204214633-dd3af18220bf"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/elastic/beats"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "7.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-68383"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120",
      "CWE-1284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-19T21:04:09Z",
    "nvd_published_at": "2025-12-18T22:16:02Z",
    "severity": "MODERATE"
  },
  "details": "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": "GHSA-2mj3-6grc-px38",
  "modified": "2025-12-19T21:04:09Z",
  "published": "2025-12-19T00:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68383"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/beats/commit/27a168fb1c598d4a16748e9a7382bc0d197335a5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/beats/commit/2f971a057eea68e057b47829950cd8c26805df30"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/beats/commit/339fa3f887a14c91e0c955b50a3b8819393bd632"
    },
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/elastic/elasticsearch"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration"
}


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