Cisco NX-OS SNMP DoS.

Medium Nessus Plugin ID 118462

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the Cisco NX-OS Software is affected by a denial of service vulnerability due to improper validation of SNMP protocol data. A remote authenticated attacker, using a specially crafted SNMP packet, can cause the SNMP application to restart resulting in a DoS condition. Please see the included Cisco BIDs and the Cisco Security Advisory for more information.

Solution

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

See Also

http://www.nessus.org/u?86310ecc

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj70029

Plugin Details

Severity: Medium

ID: 118462

File Name: cisco-sa-20181017-nxos-snmp.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 2018/10/26

Modified: 2018/10/29

Dependencies: 66696

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2018-0456

CVSS Score Rationale: Based on vendor advisory.

CVSS v2.0

Base Score: 6.8

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

CVSS v3.0

Base Score: 7.7

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

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

Patch Publication Date: 2018/10/17

Vulnerability Publication Date: 2018/10/17

Reference Information

CVE: CVE-2018-0456

CISCO-BUG-ID: CSCvj70029

CISCO-SA: cisco-sa-20181017-nxos-snmp

IAVA: 2018-A-0349