FKIE_CVE-2007-6263
Vulnerability from fkie_nvd - Published: 2007-12-06 15:46 - Updated: 2026-06-16 22:47
Severity
Summary
The dataconn function in ftpd.c in netkit ftpd (netkit-ftpd) 0.17, when certain modifications to support SSL have been introduced, calls fclose on an uninitialized file stream, which allows remote attackers to cause a denial of service (daemon crash) and possibly have unspecified other impact via some types of FTP over SSL protocol behavior, as demonstrated by breaking a passive FTP DATA connection in a way that triggers an error in the server's SSL_accept function. NOTE: the netkit ftp issue is covered by CVE-2007-5769.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| netkit-ftp | netkit_ftp | 0.17 |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netkit-ftp:netkit_ftp:0.17:*:*:*:*:*:*:*",
"matchCriteriaId": "AB45F7C8-CDB0-40EE-A26E-12CA9577EDFB",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The dataconn function in ftpd.c in netkit ftpd (netkit-ftpd) 0.17, when certain modifications to support SSL have been introduced, calls fclose on an uninitialized file stream, which allows remote attackers to cause a denial of service (daemon crash) and possibly have unspecified other impact via some types of FTP over SSL protocol behavior, as demonstrated by breaking a passive FTP DATA connection in a way that triggers an error in the server\u0027s SSL_accept function. NOTE: the netkit ftp issue is covered by CVE-2007-5769."
},
{
"lang": "es",
"value": "La funci\u00f3n dataconn en ftpd.c de netkit ftpd (netkit-ftpd) 0.17, al introducir ciertas modificaciones para el soporte SSL, llama a la funci\u00f3n fclose sobre un flujo de fichero no inicializado, lo cual permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) y posiblemente tener alg\u00fan otro impacto desconocido mediante ciertos comportamientos de FTP sobre SSL, como ha sido demostrado rompiendo una conexi\u00f3n pasiva FTP DATA de forma que provoca un error en la funci\u00f3n SSL_accept del servidor. NOTA: el asunto de netkit ftp est\u00e1 cubierto en CVE-2007-5769."
}
],
"id": "CVE-2007-6263",
"lastModified": "2026-06-16T22:47:42.700",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": true,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-12-06T15:46:00.000",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit"
],
"url": "http://bugs.gentoo.org/show_bug.cgi?id=199206"
},
{
"source": "cve@mitre.org",
"url": "http://marc.info/?l=full-disclosure\u0026m=119704348003382\u0026w=2"
},
{
"source": "cve@mitre.org",
"url": "http://osvdb.org/41191"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28697"
},
{
"source": "cve@mitre.org",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200801-17.xml"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/26763"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://bugs.gentoo.org/show_bug.cgi?id=199206"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://marc.info/?l=full-disclosure\u0026m=119704348003382\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/41191"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28697"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200801-17.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/26763"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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