Cisco NX-OS Software Command Injection (cisco-sa-20190515-nxos-cmdinj-1795)

medium Nessus Plugin ID 131698

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 due to insufficient validation of arguments passed to a specific CLI command on an affected device. An authenticated, local attacker can exploit this to execute arbitrary commands on the underlying Linux operating system with root privileges.

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvh20029, CSCvh20359, CSCvh66202, CSCvh66214, CSCvh66219, CSCvh66243, CSCvh66257, CSCvh66259, and CSCvk30761

See Also

http://www.nessus.org/u?d9ac45f1

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh20029

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh20359

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66202

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66214

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66219

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66243

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66257

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh66259

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk30761

Plugin Details

Severity: Medium

ID: 131698

File Name: cisco-sa-20190515-nxos-cmdinj-1795.nasl

Version: 1.6

Type: combined

Family: CISCO

Published: 12/4/2019

Updated: 3/25/2020

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-2019-1795

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-2019-1795

BID: 108479