CVE-2018-18248 : Security Advisory and Response
Learn about CVE-2018-18248, a cross-site scripting vulnerability in Icinga Web 2 that allows attackers to execute malicious scripts. Find mitigation steps and long-term security practices here.
Icinga Web 2 is susceptible to XSS attacks through specific parameters and query strings.
Understanding CVE-2018-18248
This CVE involves a cross-site scripting vulnerability in Icinga Web 2 that can be exploited through various URLs.
What is CVE-2018-18248?
The parameter "/icingaweb2/monitoring/list/services" in Icinga Web 2 is vulnerable to XSS attacks. The same vulnerability can be exploited through the query strings "/icingaweb2/user/list", "/icingaweb2/monitoring/timeline", and "/icingaweb2/setup".
The Impact of CVE-2018-18248
This vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2018-18248
Icinga Web 2's XSS vulnerability has specific technical aspects that need to be understood.
Vulnerability Description
The vulnerability lies in the improper handling of user input in the mentioned URLs, enabling attackers to inject and execute malicious scripts.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts through the vulnerable parameters and query strings, gaining unauthorized access or performing malicious actions.
Mitigation and Prevention
Protecting systems from CVE-2018-18248 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Implement input validation and output encoding to mitigate XSS risks.
- Regularly monitor and audit web application logs for suspicious activities.
- Apply security patches and updates provided by Icinga Web 2.
Long-Term Security Practices
- Conduct regular security training for developers to raise awareness of secure coding practices.
- Utilize web application firewalls to detect and block malicious traffic.
- Stay informed about security best practices and emerging threats to enhance overall defense.
Patching and Updates
Ensure timely application of security patches and updates released by Icinga Web 2 to address the XSS vulnerability.