FKIE_CVE-2011-1739
Vulnerability from fkie_nvd - Published: 2011-05-03 20:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:freebsd:freebsd:7.4:*:*:*:*:*:*:*",
"matchCriteriaId": "0C94B745-BD27-423D-BBB6-A821CD9BC1C4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "3CF1F9EF-01AF-4708-AE02-765360AF3D66",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:8.1:*:*:*:*:*:*:*",
"matchCriteriaId": "9899C87E-2C09-46AE-BC24-1ACF012784CA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:8.2:*:*:*:*:*:*:*",
"matchCriteriaId": "DD5ECA1A-D9B4-4ED7-95EC-684E7AA2B765",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request."
},
{
"lang": "es",
"value": "La funci\u00f3n makemask en mountd.c en mountd en FreeBSD v7.4 a v8.2 no controla correctamente el campo de una red, la especificaci\u00f3n de un bloque CIDR con una longitud de prefijo que no es un m\u00faltiplo entero de 8, lo que permite a atacantes remotos evitar las restricciones de acceso previsto en oportunistas circunstancias a trav\u00e9s de un montaje de petici\u00f3n NFS."
}
],
"id": "CVE-2011-1739",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-05-03T20:55:12.417",
"references": [
{
"source": "secteam@freebsd.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44307"
},
{
"source": "secteam@freebsd.org",
"url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc"
},
{
"source": "secteam@freebsd.org",
"url": "http://securitytracker.com/id?1025425"
},
{
"source": "secteam@freebsd.org",
"url": "http://www.securityfocus.com/bid/47517"
},
{
"source": "secteam@freebsd.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/1076"
},
{
"source": "secteam@freebsd.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66981"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44307"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securitytracker.com/id?1025425"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/47517"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/1076"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66981"
}
],
"sourceIdentifier": "secteam@freebsd.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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