CVE-2019-12312

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/libreswan/libreswan/issues/246", "name": "https://github.com/libreswan/libreswan/issues/246", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683", "name": "https://github.com/libreswan/libreswan/compare/9b1394e...3897683", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://www.iwantacve.cn/index.php/archives/218/", "name": "http://www.iwantacve.cn/index.php/archives/218/", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch", "name": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch", "tags": [], "refsource": "CONFIRM"}, {"url": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt", "name": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt", "tags": [], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-476"}, {"lang": "en", "value": "CWE-617"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-12312", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2019-05-24T14:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.28"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-08-24T17:37Z"}