CVE Vulnerabilities

CVE-2018-0297

Protection Mechanism Failure

Published: May 17, 2018 | Modified: Oct 09, 2019
CVSS 3.x
5.8
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316.

Weakness

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Affected Software

Name Vendor Start Version End Version
Firepower_threat_defense Cisco 6.0.0 6.0.0
Firepower_threat_defense Cisco 6.2.0 6.2.0
Firepower_threat_defense Cisco 6.1.0 6.1.0
Firepower_threat_defense Cisco 6.2.2 6.2.2

References