{ "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." } ] }