Cisco NX-OS Software Line Card Command Injection (cisco-sa-20190515-nxos-linecardinj-1769)

medium Nessus Plugin ID 132679

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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 a command injection vulnerability in the CLI due to insufficient validation of arguments passed to a specific CLI command on the affected device. An authenticated, local attacker with administrator credentials can exploit this, by including malicious input as the argument of an affected command, in order to execute arbitrary commands on the underlying Linux operating system of an attached line card with root privileges.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvh20032 and CSCvj00299.

Plugin Details

Severity: Medium

ID: 132679

File Name: cisco-sa-20190515-nxos-linecardinj-1769.nasl

Version: 1.4

Type: combined

Family: CISCO

Published: 1/7/2020

Updated: 1/9/2020

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-2019-1769

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/15/2019

Vulnerability Publication Date: 5/15/2019

Reference Information

CVE: CVE-2019-1769

BID: 108393

CISCO-SA: cisco-sa-20190515-nxos-linecardinj-1769

IAVA: 2019-A-0173

CISCO-BUG-ID: CSCvh20032, CSCvj00299

Detections

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