{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-09-07T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-09-13T09:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "DSA-4292", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2018/dsa-4292"}, {"name": "[debian-lts-announce] 20180912 [SECURITY] [DLA 1503-1] kamailio security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html"}, {"tags": ["x_refsource_MISC"], "url": "https://skalatan.de/blog/advisory-hw-2018-06"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-16657", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "DSA-4292", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2018/dsa-4292"}, {"name": "[debian-lts-announce] 20180912 [SECURITY] [DLA 1503-1] kamailio security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html"}, {"name": "https://skalatan.de/blog/advisory-hw-2018-06", "refsource": "MISC", "url": "https://skalatan.de/blog/advisory-hw-2018-06"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-16657", "datePublished": "2018-09-07T14:00:00", "dateReserved": "2018-09-07T00:00:00", "dateUpdated": "2018-09-13T09:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*", "matchCriteriaId": "55CABA4C-EE5D-4BB2-8EC0-A1D163BE197A", "versionEndExcluding": "5.0.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*", "matchCriteriaId": "0843AC72-0149-4552-ABC3-16D5A6194DE6", "versionEndExcluding": "5.1.4", "versionStartIncluding": "5.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2018-16657", "lastModified": "2020-08-24T17:37:01.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-09-07T14:29:03.397", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://skalatan.de/blog/advisory-hw-2018-06"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4292"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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