CVE-2018-0088 : Security Advisory and Response
Learn about CVE-2018-0088, a vulnerability in Cisco IOS Software on Industrial Ethernet 4010 Series Switches that could allow an attacker to disrupt device stability, leading to code execution or a denial of service situation. Find mitigation steps and prevention measures here.
A vulnerability in a diagnostic test CLI command on Cisco Industrial Ethernet 4010 Series Switches running Cisco IOS Software could allow an authenticated, local attacker to disrupt device stability, potentially leading to arbitrary code execution or a denial of service (DoS) situation. The attacker must possess valid user credentials at privilege level 15.
Understanding CVE-2018-0088
This CVE involves a vulnerability in Cisco IOS Software that could be exploited by an authenticated, local attacker to compromise device stability.
What is CVE-2018-0088?
The vulnerability in a diagnostic test CLI command on Cisco Industrial Ethernet 4010 Series Switches running Cisco IOS Software allows an attacker to impact device stability, potentially resulting in arbitrary code execution or a DoS situation.
The Impact of CVE-2018-0088
- An authenticated, local attacker could disrupt device stability, leading to arbitrary code execution or a DoS scenario.
Technical Details of CVE-2018-0088
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an attacker to write to the device's memory through a diagnostic test CLI command, potentially causing instability.
Affected Systems and Versions
- Product: Cisco IOS
- Versions: Cisco IOS
Exploitation Mechanism
- Attacker needs valid user credentials at privilege level 15
- By issuing a specific diagnostic test command via the CLI, the attacker can exploit the vulnerability
- This allows the attacker to overwrite system memory locations, impacting device stability
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to maintaining security.
Immediate Steps to Take
- Apply relevant security patches provided by Cisco
- Monitor network traffic for any suspicious activity
- Restrict access to privileged accounts
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security training for employees to recognize and report potential threats
Patching and Updates
- Stay informed about security advisories from Cisco
- Implement patches promptly to address known vulnerabilities