CVE-2021-29630 (GCVE-0-2021-29630)
Vulnerability from cvelistv5 – Published: 2021-08-30 18:01 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Summary
In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STABLE before r370383, 11.4-STABLE before r370381, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, the ggatec daemon does not validate the size of a response before writing it to a fixed-sized buffer allowing a malicious attacker in a privileged network position to overwrite the stack of ggatec and potentially execute arbitrary code.
Severity
8.1 (High)
CWE
- Buffer Copy without Checking Size of Input
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-S… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021092… | x_refsource_CONFIRM |
Impacted products
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"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p2:*:*:*:*:*:*",
"matchCriteriaId": "556111A1-C236-4DF6-9438-F9C874451A58",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p3:*:*:*:*:*:*",
"matchCriteriaId": "1673F16B-463A-492C-B66F-48917008F7F5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STABLE before r370383, 11.4-STABLE before r370381, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, the ggatec daemon does not validate the size of a response before writing it to a fixed-sized buffer allowing a malicious attacker in a privileged network position to overwrite the stack of ggatec and potentially execute arbitrary code."
},
{
"lang": "es",
"value": "En FreeBSD versiones 13.0-STABLE anteriores a n246938-0729ba2f49c9, 12.2-STABLE anteriores a r370383, 11.4-STABLE anteriores a r370381, 13.0-RELEASE anteriores a p4, 12.2-RELEASE anteriores a p10, y 11. 4-RELEASE anteriores a p13, el demonio ggatec no comprueba el tama\u00f1o de una respuesta antes de escribirla en un b\u00fafer de tama\u00f1o fijo, permitiendo a un atacante malicioso en una posici\u00f3n de red privilegiada sobrescribir la pila de ggatec y ejecutar potencialmente c\u00f3digo arbitrario."
}
],
"id": "CVE-2021-29630",
"lastModified": "2024-11-21T06:01:31.920",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.6,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-08-30T19:15:08.610",
"references": [
{
"source": "secteam@freebsd.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:14.ggatec.asc"
},
{
"source": "secteam@freebsd.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210923-0005/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:14.ggatec.asc"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210923-0005/"
}
],
"sourceIdentifier": "secteam@freebsd.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T14:16:35+00:00",
"cve": "CVE-2021-29630",
"id": "CVE-2021-29630",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-29630",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-29630.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.