CVE-2019-5597

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdf", "name": "https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdf", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.asc", "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.asc", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html", "name": "http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "http://www.securityfocus.com/bid/108395", "name": "108395", "tags": [], "refsource": "BID"}, {"url": "https://security.netapp.com/advisory/ntap-20190611-0001/", "name": "https://security.netapp.com/advisory/ntap-20190611-0001/", "tags": [], "refsource": "CONFIRM"}, {"url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html", "name": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In FreeBSD 11.3-PRERELEASE and 12.0-STABLE before r347591, 11.2-RELEASE before 11.2-RELEASE-p10, and 12.0-RELEASE before 12.0-RELEASE-p4, a bug in the pf IPv6 fragment reassembly logic incorrectly uses the last extension header offset from the last received packet instead of the first packet allowing maliciously crafted IPv6 packets to cause a crash or potentially bypass the packet filter."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-5597", "ASSIGNER": "secteam@freebsd.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}}, "publishedDate": "2019-05-15T16:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p7:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p9:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-06-11T23:29Z"}