CVE-2018-15462: cisco cisco firepower threat defense software Resource Management Errors

Vulnerability summary

CVE-2018-15462 is a high (CVSS 8.6) Resource Management Errors vulnerability in cisco cisco firepower threat defense software. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities.

Timeline

1. 03-05-2019
   PublishedVulnerability first disclosed.
2. 19-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the TCP ingress handler for the data interfaces that are configured with management access to Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an increase in CPU and memory usage, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient ingress TCP rate limiting for TCP ports 22 (SSH) and 443 (HTTPS). An attacker could exploit this vulnerability by sending a crafted, steady stream of TCP traffic to port 22 or 443 on the data interfaces that are configured with management access to the affected device.

• CWE-399Resource Management ErrorsWeaknesses in this category are related to improper management of system resources.
• CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.