Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability (cisco-sa-ftd-tls-dos-4v5nmWtZ)

high Nessus Plugin ID 136891

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco Firepower Threat Defense Software is affected by a denial of service (DoS) vulnerability in its SSL/TLS handler component due to a communication error between internal functions. An unauthenticated, remote attacker can exploit this issue, by sending a crafted SSL/TLS message to an affected host, to cause the application 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 ID CSCvq89361

Plugin Details

Severity: High

ID: 136891

File Name: cisco-sa-ftd-tls-dos-4v5nmWtZ.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 5/26/2020

Updated: 3/31/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2020-3283

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/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:/o:cisco:firepower_threat_defense

Required KB Items: Settings/ParanoidReport, 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-2020-3283

CWE: 119

CISCO-SA: cisco-sa-ftd-tls-dos-4v5nmWtZ

IAVA: 2020-A-0205-S

CISCO-BUG-ID: CSCvq89361

Detections

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