CVE-2018-16657

{"id": "CVE-2018-16657", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2018-09-07T14:29:03.397", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://skalatan.de/blog/advisory-hw-2018-06", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2018/dsa-4292", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with an invalid Via header causes a segmentation fault and crashes Kamailio. The reason is missing input validation in the crcitt_string_array core function for calculating a CRC hash for To tags. (An additional error is present in the check_via_address core function: this function also misses input validation.) This could result in denial of service and potentially the execution of arbitrary code."}, {"lang": "es", "value": "En Kamailio, en versiones anteriores a la 5.0.7 y versiones 5.1.x anteriores a la 5.1.4, un mensaje SIP manipulado con una cabecera Via inv\u00e1lida provoca un fallo de segmentaci\u00f3n y el cierre inesperado de Kamailio. La raz\u00f3n es la falta de validaci\u00f3n de entradas en la funci\u00f3n core crcitt_string_array para calcular un hash CRC para las etiquetas To. (Existe un error adicional en la funci\u00f3n core check_via_address: esta funci\u00f3n tambi\u00e9n carece de validaci\u00f3n de entradas). Esto podr\u00eda resultar en una denegaci\u00f3n de servicio (DoS) y, potencialmente, la ejecuci\u00f3n de c\u00f3digo arbitrario."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "55CABA4C-EE5D-4BB2-8EC0-A1D163BE197A", "versionEndExcluding": "5.0.7"}, {"criteria": "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0843AC72-0149-4552-ABC3-16D5A6194DE6", "versionEndExcluding": "5.1.4", "versionStartIncluding": "5.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}