Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability

high Nessus Plugin ID 126477

Synopsis

The remote Cisco device is affected by denial of service (DoS) vulnerability.

Description

According to its self-reported version, the Cisco NX-OS Software is affected by a denial of service (DoS) vulnerability. It exists in Cisco fabric services due to insufficient validation of Cisco fabric service packets. An unauthenticated, remote attacker can exploit this issue, via sending a crafted Cisco fabric services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in a DoS condition on the device.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCvh99066 / CSCvj10176 / CSCvj10178 / CSCvj10181 / CSCvj10183.

See Also

http://www.nessus.org/u?c2417bde

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10181

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10183

Plugin Details

Severity: High

ID: 126477

File Name: cisco-sa-20190306-nxos-fabric-dos.nasl

Version: 1.5

Type: combined

Family: CISCO

Published: 7/4/2019

Updated: 12/20/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-1616

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 3/6/2019

Vulnerability Publication Date: 3/6/2019

Reference Information

CVE: CVE-2019-1616

BID: 107395