{ "containers": { "cna": { "affected": [ { "product": "Cisco NX-OS Software", "vendor": "Cisco", "versions": [ { "lessThan": "8.3(1)", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "datePublic": "2019-05-15T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A vulnerability in the SSH CLI key management functionality of Cisco NX-OS Software could allow an authenticated, local attacker to expose a user's private SSH key to all authenticated users on the targeted device. The attacker must authenticate with valid administrator device credentials. The vulnerability is due to incomplete error handling if a specific error type occurs during the SSH key export. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the CLI. A successful exploit could allow the attacker to expose a user's private SSH key. In addition, a similar type of error in the SSH key import could cause the passphrase-protected private SSH key to be imported unintentionally." } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-200", "description": "CWE-200", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2019-05-17T06:06:02.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20190515 Cisco NX-OS Software SSH Key Information Disclosure Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-ssh-info" }, { "name": "108353", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/108353" } ], "source": { "advisory": "cisco-sa-20190515-nxos-ssh-info", "defect": [ [ "CSCvh76123", "CSCvj01385", "CSCvj01386", "CSCvj01393" ] ], "discovery": "INTERNAL" }, "title": "Cisco NX-OS Software SSH Key Information Disclosure Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-15T16:00:00-0700", "ID": "CVE-2019-1731", "STATE": "PUBLIC", "TITLE": "Cisco NX-OS Software SSH Key Information Disclosure Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco NX-OS Software", "version": { "version_data": [ { "affected": "<", "version_affected": "<", "version_value": "8.3(1)" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the SSH CLI key management functionality of Cisco NX-OS Software could allow an authenticated, local attacker to expose a user's private SSH key to all authenticated users on the targeted device. 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