Cisco Firepower Threat Defense Software SSL/TLS URL Category Bypass Vulnerability (cisco-sa-ssl-bypass-O5tGum2n)

medium Nessus Plugin ID 136623

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 remote code execution vulnerability in Transport Layer Security. This is due to logic error withing SNORT handling. An unauthenticated, remote attacker can exploit this to bypass web traffic policies blocking specific URLs.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvq93669

See Also

http://www.nessus.org/u?14e8f395

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq93669

Plugin Details

Severity: Medium

ID: 136623

File Name: cisco-sa-ssl-bypass-O5tGum2n.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 5/15/2020

Updated: 3/31/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-3285

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: cpe:/o:cisco:firepower_threat_defense

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-2020-3285

CISCO-SA: cisco-sa-ssl-bypass-O5tGum2n

IAVA: 2020-A-0205-S

CISCO-BUG-ID: CSCvq93669