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Cisco NX-OS Software Privilege Escalation Vulnerability

high Nessus Plugin ID 132100

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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 following vulnerability

 - A vulnerability in the user account management interface of Cisco NX-OS Software could allow an authenticated, local attacker to gain elevated privileges on an affected device.The vulnerability is due to an incorrect authorization check of user accounts and their associated Group ID (GID). An attacker could exploit this vulnerability by taking advantage of a logic error that will permit the use of higher privileged commands than what is necessarily assigned. A successful exploit could allow an attacker to execute commands with elevated privileges on the underlying Linux shell of an affected device. (CVE-2019-1604)

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvi53896

See Also

http://www.nessus.org/u?2494752e

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-70757

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi53896

Plugin Details

Severity: High

ID: 132100

File Name: cisco-sa-20190306-nxos-privesca.nasl

Version: 1.8

Type: combined

Family: CISCO

Published: 12/18/2019

Updated: 4/27/2020

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-1604

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2019

Vulnerability Publication Date: 3/6/2019

Reference Information

CVE: CVE-2019-1604