{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2019-01-09T17:00:00.000Z",
        "ID": "CVE-2019-0001",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd)."
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "16.1",
                                            "version_value": "16.1R7-S1"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "16.2",
                                            "version_value": "16.2R2-S7"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "17.1",
                                            "version_value": "17.1R2-S10, 17.1R3"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "17.2",
                                            "version_value": "17.2R3"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "17.3",
                                            "version_value": "17.3R3-S1"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "17.4",
                                            "version_value": "17.4R2"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "18.1",
                                            "version_value": "18.1R3"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "MX Series",
                                            "version_name": "18.2",
                                            "version_value": "18.2R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "This issue can only occur on MX Series devices with dynamic vlan configuration."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "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-674: Uncontrolled Recursion"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.juniper.net/JSA10900",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA10900"
            },
            {
                "name": "106541",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/106541"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following Junos OS releases have been updated to resolve this specific issue: 16.1R7-S1, 16.2R2-S7, 17.1R2-S10, 17.1R3, 17.2R3, 17.3R3-S1, 17.4R2, 18.1R3, 18.2R2, 18.3R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA10900",
        "defect": [
            "1356474"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "There are no viable workarounds for this issue."
        }
    ]
}