CVE-2018-6189 : Exploit Details and Defense Strategies

F-Secure Radar (on-premises) before February 15, 2018, was vulnerable to a cross-site scripting (XSS) issue that could be exploited through the Tags parameter in JSON requests.

Understanding CVE-2018-6189

This CVE entry describes a security vulnerability in F-Secure Radar (on-premises) that allowed for cross-site scripting attacks.

What is CVE-2018-6189?

CVE-2018-6189 is a vulnerability in F-Secure Radar (on-premises) that existed before February 15, 2018. It involved a cross-site scripting (XSS) flaw that could be triggered via the Tags parameter in JSON requests.

The Impact of CVE-2018-6189

The vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-6189

This section provides more in-depth technical information about the CVE.

Vulnerability Description

Before February 15, 2018, F-Secure Radar (on-premises) was susceptible to XSS attacks through the Tags parameter in JSON requests for the /api/latest/vulnerabilityscans/tags/batch resource.

Affected Systems and Versions

Product: F-Secure Radar (on-premises)
Version: Before February 15, 2018

Exploitation Mechanism

The vulnerability could be exploited by injecting malicious scripts into the Tags parameter of JSON requests, allowing attackers to execute arbitrary code in the context of a user's browser.

Mitigation and Prevention

Protecting systems from CVE-2018-6189 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by F-Secure for the affected versions.
Monitor and filter input data to prevent malicious script injection.
Educate users about the risks of executing scripts from untrusted sources.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement content security policies to mitigate XSS risks.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Ensure that F-Secure Radar (on-premises) is updated to a version released after February 15, 2018, to mitigate the XSS vulnerability.