CVE-2019-1731

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.

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-ssh-info	Vendor Advisory
http://www.securityfocus.com/bid/108353	Third Party Advisory VDB Entry

Configuration 1

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Published : 2019-05-15 05:29

Updated : 2020-10-09 05:14

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NVD link : CVE-2019-1731

Mitre link : CVE-2019-1731

Cisco

Nexus 36180yc-r

Nexus 3636c-r

Nexus 9504

Nexus 9508

Nexus 9516

Nx-os

CWE-755