cvelist/2020/1xxx/CVE-2020-1669.json

{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2020-10-14T16:00:00.000Z",
        "ID": "CVE-2020-1669",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: NFX350: Password hashes stored in world-readable format"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "NFX350",
                                            "version_affected": "<",
                                            "version_name": "19.4",
                                            "version_value": "19.4R3"
                                        },
                                        {
                                            "platform": "NFX350",
                                            "version_affected": "<",
                                            "version_name": "20.1",
                                            "version_value": "20.1R1-S4, 20.1R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Juniper Networks NFX350 Series devices, stores password hashes in the world-readable file /etc/passwd. This is not a security best current practice as it can allow an attacker with access to the local filesystem the ability to brute-force decrypt password hashes stored on the system. This issue affects Juniper Networks Junos OS on NFX350: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2."
            }
        ]
    },
    "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": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-256 Unprotected Storage of Credentials"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.juniper.net/JSA11066",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA11066"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Junos OS now stores local password hashes in the protected /etc/shadow file.\n\nThe following software releases have been updated to resolve this specific issue: Junos OS 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11066",
        "defect": [
            "1462556"
        ],
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Use access lists or firewall filters to limit access to the device only from trusted hosts.\nLimit shell access to only trusted system administrators."
        }
    ]
}