CVE-2020-24339

{"id": "CVE-2020-24339", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-12-11T23:15:14.043", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}, {"url": "https://www.kb.cert.org/vuls/id/815128", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The DNS domain name record decompression functionality in pico_dns_decompress_name() in pico_dns_common.c does not validate the compression pointer offset values with respect to the actual data present in a DNS response packet, causing out-of-bounds reads that lead to Denial-of-Service."}, {"lang": "es", "value": "Se detect\u00f3 un problema en picoTCP y picoTCP-NG versiones hasta 1.7.0. La funcionalidad de descompresi\u00f3n de registros de nombres de dominio DNS en la funci\u00f3n pico_dns_decompress_name() en el archivo en pico_dns_common.c no comprueba los valores de desplazamiento del puntero de compresi\u00f3n con respecto a los datos reales presentes en un paquete de respuesta DNS, causando lecturas fuera de l\u00edmites que conducen a una Denegaci\u00f3n de Servicio"}], "lastModified": "2020-12-14T21:30:29.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BEB4123E-EE54-4991-9011-42FD1FC83662", "versionEndIncluding": "1.7.0"}, {"criteria": "cpe:2.3:a:altran:picotcp-ng:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40699721-5367-45CB-880E-B7E0F3C15BF3", "versionEndIncluding": "1.7.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}