{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will then trigger a NULL pointer dereference leading to a restart of libreswan."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-06-06T18:51:42", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.iwantacve.cn/index.php/archives/218/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/libreswan/libreswan/issues/246"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-12312", "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 Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will then trigger a NULL pointer dereference leading to a restart of libreswan."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.iwantacve.cn/index.php/archives/218/", "refsource": "MISC", "url": "http://www.iwantacve.cn/index.php/archives/218/"}, {"name": "https://github.com/libreswan/libreswan/issues/246", "refsource": "MISC", "url": "https://github.com/libreswan/libreswan/issues/246"}, {"name": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683", "refsource": "MISC", "url": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683"}, {"name": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt", "refsource": "CONFIRM", "url": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt"}, {"name": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch", "refsource": "CONFIRM", "url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-12312", "datePublished": "2019-05-24T13:06:41", "dateReserved": "2019-05-24T00:00:00", "dateUpdated": "2019-06-06T18:51:42", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "matchCriteriaId": "DB2BCF10-D602-48EA-8A16-5E1193989E4F", "versionEndExcluding": "3.28", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will then trigger a NULL pointer dereference leading to a restart of libreswan."}, {"lang": "es", "value": "En Libreswan versi\u00f3n anterior a 3.28, un fallo de aserci\u00f3n puede llevar a un reinicio del componente pluto IKE daemon. Un atacante puede iniciar una desreferencia de puntero NULL enviando dos paquetes IKEv2 (init_IKE y delete_IKE) en modo 3des_cbc a un servidor Libreswan. Esto afecta a send_v2N_spi_response_from_state en pprograms/pluto/ikev2_send.c cuando se crea con Network Security Services (NSS)."}], "id": "CVE-2019-12312", "lastModified": "2020-08-24T17:37:01.140", "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": "2019-05-24T14:29:00.230", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "http://www.iwantacve.cn/index.php/archives/218/"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/libreswan/libreswan/issues/246"}, {"source": "cve@mitre.org", "url": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt"}, {"source": "cve@mitre.org", "url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}, {"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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