CVE-2018-15454

Published: Nov 1, 2018Modified: Nov 21, 2024

8.6

Vector

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

Exploitability: 3.9 / Impact: 4.0

Source: NVD

Description

A vulnerability in the Session Initiation Protocol (SIP) inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload or trigger high CPU, resulting in a denial of service (DoS) condition. The vulnerability is due to improper handling of SIP traffic. An attacker could exploit this vulnerability by sending SIP requests designed to specifically trigger this issue at a high rate across an affected device. Software updates that address this vulnerability are not yet available.

Affected (9)

Products: Cisco: Adaptive Security Appliance Software, Firepower Threat Defense

Cisco

2 products

Adaptive Security Appliance Software

Firepower Threat Defense

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Cisco Adaptive Security Appliance Software	From 9.10 to 9.10.1.2
Cisco Adaptive Security Appliance Software	From 9.4 to 9.4.4.27
Cisco Adaptive Security Appliance Software	From 9.6 to 9.6.4.18
Cisco Adaptive Security Appliance Software	From 9.8 to 9.8.3.16
Cisco Adaptive Security Appliance Software	From 9.9 to 9.9.2.32

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Cisco Firepower Threat Defense	From 6.1.0 to 6.1.0.7
Cisco Firepower Threat Defense	From 6.2.0 to 6.2.0.6
Cisco Firepower Threat Defense	From 6.2.2 to 6.2.2.4
Cisco Firepower Threat Defense	From 6.2.3 to 6.2.3.7