FKIE_CVE-2007-0244
Vulnerability from fkie_nvd - Published: 2007-05-11 04:19 - Updated: 2026-06-16 22:35
Severity
Summary
pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 4.0 | |
| poptop | pptp_server | * |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
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{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0F92AB32-E7DE-43F4-B877-1F41FA162EC7",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:alpha:*:*:*:*:*",
"matchCriteriaId": "F5114DA3-FBB9-47C4-857B-3212404DAD4E",
"vulnerable": false
},
{
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"matchCriteriaId": "4D5F5A52-285E-4E7E-83B8-508079DBCEAE",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:arm:*:*:*:*:*",
"matchCriteriaId": "674BE2D9-009B-46C5-A071-CB10368B8D48",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:hppa:*:*:*:*:*",
"matchCriteriaId": "703486E5-906B-4BDB-A046-28D4D73E3F03",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:ia-32:*:*:*:*:*",
"matchCriteriaId": "ABB5AC0D-2358-4C8E-99B5-2CE0A678F549",
"vulnerable": false
},
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"matchCriteriaId": "38B37184-BA88-44F1-AC9E-8B60C2419111",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:m68k:*:*:*:*:*",
"matchCriteriaId": "0D8C9247-3E18-4DD9-AF5B-B2996C76443F",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:mips:*:*:*:*:*",
"matchCriteriaId": "0EEA2CDD-7FCD-461E-90FC-CDB3C3992A32",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:mipsel:*:*:*:*:*",
"matchCriteriaId": "D7B877A8-5318-402E-8AE1-753E7419060F",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:powerpc:*:*:*:*:*",
"matchCriteriaId": "A3938420-087D-4D92-A2F8-EAE54D9837EC",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:s390:*:*:*:*:*",
"matchCriteriaId": "4567FE5A-5061-4741-AA6D-4AB365579F8D",
"vulnerable": false
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:4.0:*:sparc:*:*:*:*:*",
"matchCriteriaId": "10F42CF8-FB98-4AFC-96C5-FD7D442B0FA3",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:poptop:pptp_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "28A14EDA-5D3E-4F61-B949-B5B152885393",
"versionEndIncluding": "1.3.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued."
},
{
"lang": "es",
"value": "El pptpgre.c en el PoPToP Point to Point Tunneling Server (pptpd)anterior al 1.3.4 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (derribo -tear-down- de la conexi\u00f3n PPTP) mediante (1) paquetes GRE con secuencias de n\u00fameros fuera de rango o (2)ciertos paquetes GRE que son procesados utilizando un puntero err\u00f3neo y quitado de la cola incorrectamente."
}
],
"id": "CVE-2007-0244",
"lastModified": "2026-06-16T22:35:11.937",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-05-11T04:19:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/25220"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/25255"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/26987"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200705-18.xml"
},
{
"source": "cve@mitre.org",
"url": "http://sourceforge.net/project/shownotes.php?release_id=501476\u0026group_id=44827"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.debian.org/security/2007/dsa-1288"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_10_sr.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_19_sr.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/23886"
},
{
"source": "cve@mitre.org",
"url": "http://www.securitytracker.com/id?1018064"
},
{
"source": "cve@mitre.org",
"url": "http://www.trustix.org/errata/2007/0017/"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-459-1"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-459-2"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/1743"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25220"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25255"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/26987"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200705-18.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sourceforge.net/project/shownotes.php?release_id=501476\u0026group_id=44827"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Vendor Advisory"
],
"url": "http://www.debian.org/security/2007/dsa-1288"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_10_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_19_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/23886"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1018064"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.trustix.org/errata/2007/0017/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-459-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-459-2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/1743"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"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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