Cisco Firepower Threat Defense Denial of Service (DoS) (cisco-sa-fp2100-arp-dos-kLdCK8ks)

high Nessus Plugin ID 136615

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Synopsis

The remote device is affected by a denial of service vulnerability

Description

A denial of service vulnerability exists in the ARP packet processing component of Cisco Firepower Threat Defence (FTD) software due to insufficient validation of ARP data. An unauthenticated, adjacent attacker can exploit this to cause to cause the system to stop responding.

Please see the included Cisco BIDs 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

Update to a fixed version based on your hardware. Please refer to Cisco bug IDs CSCvq20910, CSCvr43476 & CSCvr49833.

Plugin Details

Severity: High

ID: 136615

File Name: cisco-sa-fp2100-arp-dos-kLdCK8ks-ftd.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 5/15/2020

Updated: 3/31/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2020-3334

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:adaptive_security_appliance_software

Required KB Items: installed_sw/Cisco Firepower Threat Defense

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2020

Vulnerability Publication Date: 5/6/2020

Reference Information

CVE: CVE-2020-3334

CISCO-SA: cisco-sa-fp2100-arp-dos-kLdCK8ks

IAVA: 2020-A-0205-S

CISCO-BUG-ID: CSCvq20910, CSCvr43476, CSCvr49833

Detections

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