CVE-2016-5361

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.openwall.com/lists/oss-security/2016/06/10/4", "name": "[oss-security] 20160610 Re: CVE Request: IKEv1 protocol is vulnerable to DoS amplification attack", "tags": [], "refsource": "MLIST"}, {"url": "https://github.com/libreswan/libreswan/commit/152d6d95632d8b9477c170f1de99bcd86d7fb1d6", "name": "https://github.com/libreswan/libreswan/commit/152d6d95632d8b9477c170f1de99bcd86d7fb1d6", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://lists.libreswan.org/pipermail/swan-dev/2016-March/001394.html", "name": "[swan-dev] 20160313 Proposal: Do not retransmit IKEv1 reply for initial responder states", "tags": [], "refsource": "MLIST"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2603.html", "name": "RHSA-2016:2603", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "programs/pluto/ikev1.c in libreswan before 3.17 retransmits in initial-responder states, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed UDP packet. NOTE: the original behavior complies with the IKEv1 protocol, but has a required security update from the libreswan vendor; as of 2016-06-10, it is expected that several other IKEv1 implementations will have vendor-required security updates, with separate CVE IDs assigned to each."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-5361", "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", "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": "2016-06-16T14:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.16"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-01-18T02:59Z"}