CVE-2018-17422 : Vulnerability Insights and Analysis

This CVE involves open redirects in dotCMS before version 5.0.2, potentially leading to security vulnerabilities.

Understanding CVE-2018-17422

This CVE highlights a specific vulnerability in dotCMS versions prior to 5.0.2 that could be exploited through open redirects.

What is CVE-2018-17422?

Prior to version 5.0.2, dotCMS is susceptible to open redirects via the FORWARD_URL parameter in html/common/forward_js.jsp or the hostname parameter in html/portlet/ext/common/page_preview_popup.jsp.

The Impact of CVE-2018-17422

This vulnerability could allow attackers to redirect users to malicious websites, potentially leading to phishing attacks or the installation of malware.

Technical Details of CVE-2018-17422

Vulnerability Description

The issue arises from the mishandling of user input in the mentioned parameters, enabling malicious actors to craft URLs that redirect users unknowingly.

Affected Systems and Versions

Product: dotCMS
Versions affected: Before 5.0.2

Exploitation Mechanism

Attackers can manipulate the FORWARD_URL or hostname parameters to construct URLs that redirect users to malicious sites.

Mitigation and Prevention

Immediate Steps to Take

Upgrade dotCMS to version 5.0.2 or newer to mitigate the vulnerability.
Avoid clicking on suspicious links that may redirect to unknown websites.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Educate users about the risks of clicking on unverified links.

Patching and Updates

Ensure timely installation of security patches and updates provided by dotCMS to address this vulnerability.