Cisco NX-OS Software Image Signature Verification (cisco-sa-20190306-nxos-sig-verif)

medium Nessus Plugin ID 138355

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode is affected by a denial of service (DoS) vulnerability exists in Fibre Channel over Ethernet N-port Virtualization due to incorrect processing of FCoE packets. An unauthenticated, adjacent attacker can exploit this issue, via sending a stream of FCoE frames, to cause the system to stop responding.

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 CSCvj14135, CSCvk70903, CSCvk70905

See Also

http://www.nessus.org/u?bf14d312

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-70757

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj14135

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70903

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70905

Plugin Details

Severity: Medium

ID: 138355

File Name: cisco-sa-20190306-nxos-sig-verif.nasl

Version: 1.4

Type: combined

Family: CISCO

Published: 7/9/2020

Updated: 7/10/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2019-1615

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, Host/aci/system/chassis/summary

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2019

Vulnerability Publication Date: 3/11/2019

Reference Information

CVE: CVE-2019-1615

BID: 107397