{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2019-04-10T16:00:00.000Z",
        "ID": "CVE-2019-0033",
        "STATE": "PUBLIC",
        "TITLE": "SRX Series: A remote attacker may cause a high CPU Denial of Service to the device when proxy ARP is configured."
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": ">=",
                                            "version_name": "12.1X46",
                                            "version_value": "12.1X46-D25"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "12.1X46",
                                            "version_value": "12.1X46-D71, 12.1X46-D73"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "12.3X48",
                                            "version_value": "12.3X48-D50"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "15.1X49",
                                            "version_value": "15.1X49-D75"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "An example configuration snippet is below: \n  root@device# show security nat proxy-arp  \n  interface ge-0/0/0.0 {                                                                                                                                                                         \n      address {                                                                                                                                                                                 \n          2.2.2.5/32;                                                                                                                                                                           \n      }                                                                                                                                                                                         \n  }     "
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A firewall bypass vulnerability in the proxy ARP service of Juniper Networks Junos OS allows an attacker to cause a high CPU condition leading to a Denial of Service (DoS). This issue affects only IPv4. Affected releases are Juniper Networks Junos OS: 12.1X46 versions above and including 12.1X46-D25 prior to 12.1X46-D71, 12.1X46-D73 on SRX Series; 12.3X48 versions prior to 12.3X48-D50 on SRX Series; 15.1X49 versions prior to 15.1X49-D75 on SRX Series."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.6"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 Uncontrolled Resource Consumption"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.juniper.net/JSA10922",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA10922"
            },
            {
                "refsource": "BID",
                "name": "107882",
                "url": "http://www.securityfocus.com/bid/107882"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: 12.1X46-D71, 12.1X46-D73, 12.3X48-D50, 15.1X49-D75, 17.3R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA10922",
        "defect": [
            "1208910"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Discontinue use of proxy ARP.\nAn example configuration snippet is below:\n  deactivate security nat proxy-arp interface ge-0/0/0.0 address 2.2.2.5/32\n(or)\n  delete security nat proxy-arp interface ge-0/0/0.0 address 2.2.2.5/32 \n \nThere are no other viable workarounds for this issue.\n"
        }
    ]
}