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121 lines
3.8 KiB
JSON
121 lines
3.8 KiB
JSON
{
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"id": "CVE-2020-24336",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2020-12-11T23:15:13.870",
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"lastModified": "2020-12-15T14:47:24.727",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. The code for parsing Type A domain name answers in ip64-dns64.c doesn't verify whether the address in the answer's length is sane. Therefore, when copying an address of an arbitrary length, a buffer overflow can occur. This bug can be exploited whenever NAT64 is enabled."
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},
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{
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"lang": "es",
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"value": "Se detect\u00f3 un problema en Contiki versiones hasta 3.0 y Contiki-NG versiones hasta 4.5. El c\u00f3digo para analizar las respuestas de nombre de dominio Tipo A en el archivo ip64-dns64.c no verifica si la direcci\u00f3n en la longitud de la respuesta es sana. Por lo tanto, cuando se copia una direcci\u00f3n de una longitud arbitraria, puede producirse un desbordamiento de b\u00fafer. Este error puede ser explotado siempre que NAT64 est\u00e9 habilitado"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 5.9
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "PARTIAL",
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"availabilityImpact": "PARTIAL",
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"baseScore": 7.5
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},
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"baseSeverity": "HIGH",
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"exploitabilityScore": 10.0,
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"impactScore": 6.4,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-120"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "4.5",
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"matchCriteriaId": "797897DD-5B41-4E84-98BE-1766F09114C2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "3.0",
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"matchCriteriaId": "EBD2BE71-F851-4136-816D-EF61154FD2C4"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory",
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"US Government Resource"
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]
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},
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{
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"url": "https://www.kb.cert.org/vuls/id/815128",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory",
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"US Government Resource"
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]
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}
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]
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} |