{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2019-5598",
        "ASSIGNER": "secteam@freebsd.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "FreeBSD",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "FreeBSD 11.2 before 11.2-RELEASE-p10 and 12.0 before 12.0-RELEASE-p4"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Improper Check for Unusual or Exceptional Conditions"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc",
                "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc"
            },
            {
                "refsource": "MISC",
                "name": "https://www.synacktiv.com/posts/systems/icmp-reachable.html",
                "url": "https://www.synacktiv.com/posts/systems/icmp-reachable.html"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html",
                "url": "http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html"
            },
            {
                "refsource": "BID",
                "name": "108395",
                "url": "http://www.securityfocus.com/bid/108395"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20190611-0001/",
                "url": "https://security.netapp.com/advisory/ntap-20190611-0001/"
            },
            {
                "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In FreeBSD 11.3-PRERELEASE before r345378, 12.0-STABLE before r345377, 11.2-RELEASE before 11.2-RELEASE-p10, and 12.0-RELEASE before 12.0-RELEASE-p4, a bug in pf does not check if the outer ICMP or ICMP6 packet has the same destination IP as the source IP of the inner protocol packet allowing a maliciously crafted ICMP/ICMP6 packet could bypass the packet filter rules and be passed to a host that would otherwise be unavailable."
            }
        ]
    }
}