fkie_cve-2017-15105
Vulnerability from fkie_nvd
Published
2018-01-23 16:29
Modified
2024-11-21 03:14
Severity ?
Summary
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| nlnetlabs | unbound | * | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 8.0 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 17.10 | |
| canonical | ubuntu_linux | 18.04 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BAE9EA21-B784-4BCD-A0D6-8C474E6AEDCB",
"versionEndExcluding": "1.6.8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
"matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof."
},
{
"lang": "es",
"value": "Se ha encontrado un error en la forma en la que unbound, en versiones anteriores a la 1.6.8, validaba los registros NSEC sintetizados con caracteres comod\u00edn. Un registro con caracteres comod\u00edn NSEC validado incorrectamente podr\u00eda emplearse para probar la falta (respuesta NXDOMAIN) de un registro de caracteres comod\u00edn, o enga\u00f1ar a unbound para que acepte una prueba NODATA."
}
],
"id": "CVE-2017-15105",
"lastModified": "2024-11-21T03:14:05.047",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-01-23T16:29:00.273",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/102817"
},
{
"source": "secalert@redhat.com",
"tags": [
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"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://unbound.net/downloads/CVE-2017-15105.txt"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://usn.ubuntu.com/3673-1/"
},
{
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"tags": [
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],
"url": "http://www.securityfocus.com/bid/102817"
},
{
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"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
},
{
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"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
},
{
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"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://unbound.net/downloads/CVE-2017-15105.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://usn.ubuntu.com/3673-1/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-358"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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