fkie_cve-2017-15650
Vulnerability from fkie_nvd
Published
2017-10-19 23:29
Modified
2025-04-20 01:37
Severity ?
Summary
musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395 | Vendor Advisory | |
| cve@mitre.org | http://git.musl-libc.org/cgit/musl/tree/WHATSNEW | Vendor Advisory | |
| cve@mitre.org | http://openwall.com/lists/oss-security/2017/10/19/5 | Mailing List, Mitigation, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://git.musl-libc.org/cgit/musl/tree/WHATSNEW | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://openwall.com/lists/oss-security/2017/10/19/5 | Mailing List, Mitigation, Third Party Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:*",
"matchCriteriaId": "34F11B91-B1D7-4E6F-B275-FBF4E04AA7FC",
"versionEndIncluding": "1.1.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query."
},
{
"lang": "es",
"value": "musl libc, en versiones anteriores a la 1.1.17, tiene un desbordamiento de b\u00fafer mediante respuestas DNS manipuladas, debido a que dns_parse_callback en network/lookup_name.c no restringe el n\u00famero de direcciones y, por lo tanto, un atacante puede proporcionar un n\u00famero inesperado enviando registros A en una respuesta a una consulta AAAA."
}
],
"id": "CVE-2017-15650",
"lastModified": "2025-04-20T01:37:25.860",
"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
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-10-19T23:29:00.407",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://git.musl-libc.org/cgit/musl/tree/WHATSNEW"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Mitigation",
"Third Party Advisory"
],
"url": "http://openwall.com/lists/oss-security/2017/10/19/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://git.musl-libc.org/cgit/musl/tree/WHATSNEW"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Mitigation",
"Third Party Advisory"
],
"url": "http://openwall.com/lists/oss-security/2017/10/19/5"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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