CVE-2018-0302

High

Description

A vulnerability in the CLI parser of Cisco FXOS Software and Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to incorrect input validation in the CLI parser subsystem. An attacker could exploit this vulnerability by exceeding the expected length of user input. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the affected system. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvb61099, CSCvb86743.

SeverityHigh
CVSS7.8
Exploit probability—
ProductCisco Firepower Extensible Operating System
PublishedJun 21, 2018
First seenJun 21, 2018

How to fix

Update
  • cisco firepower_extensible_operating_system1.1.4.169, 2.0.1.135 or later

Affected products

ProductAffected versionsFixed in
cisco firepower_extensible_operating_system1.1 ≤ v < 1.1.4.169, 2.0 ≤ v < 2.0.1.1351.1.4.169, 2.0.1.135
cisco nx-os3.1\(1k\)a—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.