CVE-2019-12312

{"id": "CVE-2019-12312", "cveTags": [], "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}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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": "2019-05-24T14:29:00.230", "references": [{"url": "http://www.iwantacve.cn/index.php/archives/218/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/libreswan/libreswan/issues/246", "tags": ["Third Party Advisory"], "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", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}, {"lang": "en", "value": "CWE-617"}]}], "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)."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB2BCF10-D602-48EA-8A16-5E1193989E4F", "versionEndExcluding": "3.28"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}