CVE-2020-18670 : What You Need to Know

Cross Site Scripting (XSS) vulnerability in Roundcube mail 1.4.4 via database host and user in /installer/test.php.

Understanding CVE-2020-18670

This CVE involves a security issue in Roundcube mail version 1.4.4 that allows for Cross Site Scripting (XSS) attacks.

What is CVE-2020-18670?

CVE-2020-18670 is a vulnerability in Roundcube mail 1.4.4 that enables attackers to execute malicious scripts in a victim's web browser.

The Impact of CVE-2020-18670

This vulnerability can lead to unauthorized access to sensitive information, cookie theft, session hijacking, and potentially full control of the victim's account.

Technical Details of CVE-2020-18670

Vulnerability Description

The vulnerability exists in Roundcube mail 1.4.4 due to improper validation of user-supplied input in the database host and user parameters within /installer/test.php.

Affected Systems and Versions

Product: Roundcube mail
Version: 1.4.4

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the database host and user parameters, leading to the execution of arbitrary code in the context of the victim's session.

Mitigation and Prevention

Immediate Steps to Take

Update Roundcube mail to the latest patched version.
Implement input validation and sanitization to prevent XSS attacks.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing on web applications.
Educate developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Roundcube released security updates 1.4.5 and 1.3.12 to address this vulnerability.