CVE-2018-0214 : Exploit Details and Defense Strategies
Learn about CVE-2018-0214 affecting Cisco Identity Services Engine. Understand the Command Injection vulnerability, its impact, affected systems, exploitation, and mitigation steps.
Cisco Identity Services Engine (ISE) is affected by a Command Injection vulnerability that allows an authenticated attacker to execute arbitrary commands on the host operating system. This CVE was published on March 8, 2018.
Understanding CVE-2018-0214
This CVE identifies a security flaw in Cisco ISE that enables a local attacker with valid user credentials to run unauthorized commands on the system.
What is CVE-2018-0214?
The vulnerability, known as Command Injection, arises from inadequate restriction of certain CLI commands for a specific user. Insufficient input validation of CLI command user input is the root cause of this issue.
The Impact of CVE-2018-0214
Exploiting this vulnerability requires authentication to the targeted device and the execution of a specially crafted CLI command. Successful exploitation grants the attacker the ability to execute commands that are typically restricted.
Technical Details of CVE-2018-0214
Cisco ISE's vulnerability details and its impact on systems.
Vulnerability Description
The vulnerability allows an authenticated local attacker to execute arbitrary commands on the host OS due to insufficient input validation of CLI commands.
Affected Systems and Versions
- Product: Cisco Identity Services Engine
- Version: Cisco Identity Services Engine
Exploitation Mechanism
- Attacker authenticates to the device
- Issues a CLI command with crafted user input
- Successful exploit enables execution of unauthorized commands
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2018-0214.
Immediate Steps to Take
- Apply vendor-provided patches promptly
- Monitor network for any suspicious activity
- Restrict access to vulnerable systems
Long-Term Security Practices
- Regularly update and patch systems
- Implement strong authentication mechanisms
- Conduct security training for users and administrators
Patching and Updates
- Cisco has released patches to address this vulnerability
- Ensure all affected systems are updated with the latest patches