FKIE_CVE-2009-3676
Vulnerability from fkie_nvd - Published: 2009-11-13 15:30 - Updated: 2026-06-16 23:12
Severity
Summary
The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka "SMB Client Incomplete Response Vulnerability."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| microsoft | windows_7 | * | |
| microsoft | windows_server_2008 | r2 |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D56B932B-9593-44E2-B610-E4EB2143EB21",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:*",
"matchCriteriaId": "36559BC0-44D7-48B3-86FF-1BFF0257B5ED",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka \"SMB Client Incomplete Response Vulnerability.\""
},
{
"lang": "es",
"value": "El cliente SMB en el kernel de Microsoft Windows Server 2008 R2 y Windows 7 permite que los servidores SMB remotos y los atacantes de tipo man-in-the-middle generen una denegaci\u00f3n de servicio (bucle infinito y bloqueo del sistema) por medio de un (1) paquete de respuesta SMBv1 o (2) SMBv2 que contenga (a) un paquete de respuesta SMBv2 (1) valor de longitud inapropiado en un encabezado NetBIOS o (b) un campo de longitud adicional al final de este paquete de respuesta, tambi\u00e9n se conoce como \"SMB Client Incomplete Response Vulnerability\"."
}
],
"id": "CVE-2009-3676",
"lastModified": "2026-06-16T23:12:08.950",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2009-11-13T15:30:00.733",
"references": [
{
"source": "secure@microsoft.com",
"url": "http://blogs.technet.com/msrc/archive/2009/11/13/microsoft-security-advisory-977544-released.aspx"
},
{
"source": "secure@microsoft.com",
"tags": [
"Exploit"
],
"url": "http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.html"
},
{
"source": "secure@microsoft.com",
"url": "http://news.cnet.com/8301-27080_3-10395891-245.html"
},
{
"source": "secure@microsoft.com",
"tags": [
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],
"url": "http://praetorianprefect.com/archives/2009/11/how-to-crash-windows-7-and-server-2008/"
},
{
"source": "secure@microsoft.com",
"tags": [
"Exploit"
],
"url": "http://seclists.org/fulldisclosure/2009/Nov/134"
},
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/37347"
},
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/blog/66/"
},
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
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],
"url": "http://www.microsoft.com/technet/security/advisory/977544.mspx"
},
{
"source": "secure@microsoft.com",
"url": "http://www.securitytracker.com/id?1023179"
},
{
"source": "secure@microsoft.com",
"tags": [
"US Government Resource"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA10-103A.html"
},
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2009/3216"
},
{
"source": "secure@microsoft.com",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-020"
},
{
"source": "secure@microsoft.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7186"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://blogs.technet.com/msrc/archive/2009/11/13/microsoft-security-advisory-977544-released.aspx"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://news.cnet.com/8301-27080_3-10395891-245.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://praetorianprefect.com/archives/2009/11/how-to-crash-windows-7-and-server-2008/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://seclists.org/fulldisclosure/2009/Nov/134"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/37347"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/blog/66/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.microsoft.com/technet/security/advisory/977544.mspx"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1023179"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"US Government Resource"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA10-103A.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2009/3216"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-020"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7186"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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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.
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