Cisco NX-OS Software Authenticated Simple Network Management Protocol DoS (cisco-sa-20180620-nxossnmp)

medium Nessus Plugin ID 134226

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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 denial of service (DoS) vulnerability in the Simple Network Management Protocol (SNMP) input packet processor due to improper validation of SNMP protocol data units (PDUs) in SNMP packets. An authenticated, remote attacker can exploit this, by sending a crafted SNMP packet to an affected device, in order to cause the SNMP application to restart unexpectedly.

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

Solution

Upgrade to the relevant fixed / recommended version referenced in Cisco Security Advisory.

Plugin Details

Severity: Medium

ID: 134226

File Name: cisco-sa-20180620-nxossnmp.nasl

Version: 1.8

Type: combined

Family: CISCO

Published: 3/5/2020

Updated: 4/3/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-0291

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 6/20/2018

Vulnerability Publication Date: 6/20/2018

Reference Information

CVE: CVE-2018-0291

CISCO-SA: cisco-sa-20180620-nxossnmp

IAVA: 2020-A-0127

CISCO-BUG-ID: CSCuw99630, CSCvg71290, CSCvj67977

Detections

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