{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2020-10-14T16:00:00.000Z",
        "ID": "CVE-2020-1664",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: Buffer overflow vulnerability in device control daemon"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "17.3",
                                            "version_value": "17.3R3-S9"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "17.4",
                                            "version_value": "17.4R2-S12, 17.4R3-S3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "18.1",
                                            "version_value": "18.1R3-S11"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "18.2",
                                            "version_value": "18.2R3-S6"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "18.2X75",
                                            "version_value": "18.2X75-D53, 18.2X75-D65"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "18.3",
                                            "version_value": "18.3R2-S4, 18.3R3-S4"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "18.4",
                                            "version_value": "18.4R2-S5, 18.4R3-S5"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19.1",
                                            "version_value": "19.1R3-S3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19.2",
                                            "version_value": "19.2R1-S5, 19.2R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19.3",
                                            "version_value": "19.3R2-S4, 19.3R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19.4",
                                            "version_value": "19.4R1-S3, 19.4R2-S2, 19.4R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "20.1",
                                            "version_value": "20.1R1-S4, 20.1R2"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "20.2",
                                            "version_value": "20.2R1-S1, 20.2R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT would like to acknowledge and thank Ho\u00e0ng Th\u1ea1ch Nguy\u1ec5n (d4rkn3ss) of STAR Labs for responsibly reporting this vulnerability. "
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A stack buffer overflow vulnerability in the device control daemon (DCD) on Juniper Networks Junos OS allows a low privilege local user to create a Denial of Service (DoS) against the daemon or execute arbitrary code in the system with root privilege. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.2X75 versions prior to 18.2X75-D53, 18.2X75-D65; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 versions prior to 18.4R2-S5, 18.4R3-S5; 19.1 versions prior to 19.1R3-S3; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2. Versions of Junos OS prior to 17.3 are unaffected by this vulnerability."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-121 Stack-based Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.juniper.net/JSA11061",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA11061"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S9, 17.4R2-S12, 17.4R3-S3, 18.1R3-S11, 18.2R3-S6, 18.2X75-D53, 18.2X75-D65, 18.3R2-S4, 18.3R3-S4, 18.4R2-S5, 18.4R3-S5, 19.1R3-S3, 19.2R1-S5, 19.2R3, 19.3R2-S4, 19.3R3, 19.4R1-S3, 19.4R2-S2, 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1-S1, 20.2R2, 20.3R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11061",
        "defect": [
            "1519334"
        ],
        "discovery": "EXTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Use access lists or firewall filters to limit CLI access to the device only from trusted, administrative networks or hosts.\n"
        },
        {
            "lang": "eng",
            "value": "Limit access to the Junos OS CLI to only trusted system administrators."
        }
    ]
}