Cisco NX-OS Software SSH Key Information Disclosure Vulnerability

medium Nessus Plugin ID 126344

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco NX-OS Software is affected by an information disclosure vulnerability in the SSH CLI key management functionality which 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.

Please see the included Cisco BIDs and Cisco Security Advisory for more information

Solution

Upgrade to the relevant fixed version referenced in Cisco bugs ID CSCvh76123, CSCvj01385, CSCvj01393, CSCvj01386

Plugin Details

Severity: Medium

ID: 126344

File Name: cisco-sa-20190515-nxos-ssh-info.nasl

Version: 1.7

Type: combined

Family: CISCO

Published: 6/28/2019

Updated: 2/5/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2019-1731

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os

Required KB Items: Host/Cisco/NX-OS/Version, Host/Cisco/NX-OS/Model, Host/Cisco/NX-OS/Device

Exploit Ease: No known exploits are available

Patch Publication Date: 5/15/2019

Vulnerability Publication Date: 5/15/2019

Reference Information

CVE: CVE-2019-1731

BID: 108353

CWE: 200

CISCO-SA: cisco-sa-20190515-nxos-ssh-info

IAVA: 2019-A-0173

CISCO-BUG-ID: CSCvh76123, CSCvj01385, CSCvj01386, CSCvj01393

Detections

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