CVE-2018-0190 : What You Need to Know

Cisco IOS XE Software has been found to have multiple vulnerabilities in its web-based user interface (web UI) that could potentially lead to a cross-site scripting (XSS) attack. These weaknesses stem from inadequate validation of specific parameters, allowing unauthorized remote attackers to exploit the system.

Understanding CVE-2018-0190

Cisco IOS XE Software vulnerabilities could enable attackers to execute arbitrary script code or access sensitive browser-based information on a user's system.

What is CVE-2018-0190?

The vulnerabilities in Cisco IOS XE Software's web UI result from insufficient input validation of certain parameters passed to the software via the web interface. Attackers can exploit these flaws by tricking users into accessing malicious links or injecting code into user requests.

The Impact of CVE-2018-0190

Successful exploitation of these vulnerabilities could allow attackers to execute arbitrary script code within the affected UI context or gain access to sensitive browser-based information on the user's system.

Technical Details of CVE-2018-0190

Cisco IOS XE Software vulnerabilities allow for a cross-site scripting (XSS) attack through the web-based user interface.

Vulnerability Description

The vulnerabilities arise from inadequate validation of specific parameters transmitted to the affected software via the web UI, enabling unauthorized remote attackers to carry out a cross-site scripting (XSS) attack.

Affected Systems and Versions

Product: Cisco IOS XE
Version: Cisco IOS XE

Exploitation Mechanism

Attackers can exploit these weaknesses by enticing users to access malicious links or intercepting user requests for the affected UI to inject malicious code.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks posed by CVE-2018-0190.

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Educate users about the risks of clicking on unknown links.
Implement network security measures to detect and prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security training for employees to enhance awareness of cybersecurity threats.

Patching and Updates

Stay informed about security advisories and updates from Cisco.
Implement a robust patch management process to ensure timely deployment of security fixes.