ghsa-2mj3-6grc-px38
Vulnerability from github
Published
2025-12-19 00:31
Modified
2025-12-19 21:04
Severity ?
VLAI Severity ?
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.
{
"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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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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