CVE-2020-16145 : What You Need to Know
Learn about CVE-2020-16145 affecting Roundcube Webmail versions before 1.3.15 and 1.4.8. Find out the impact, exploitation method, and mitigation steps for this stored XSS vulnerability.
Roundcube Webmail before 1.3.15 and 1.4.8 allows stored XSS in HTML messages during message display via a crafted SVG document. This issue has been fixed in 1.4.8 and 1.3.15.
Understanding CVE-2020-16145
Roundcube Webmail versions prior to 1.3.15 and 1.4.8 are vulnerable to stored XSS attacks when displaying HTML messages containing a malicious SVG document.
What is CVE-2020-16145?
CVE-2020-16145 is a vulnerability in Roundcube Webmail that enables attackers to execute stored cross-site scripting (XSS) attacks by exploiting a flaw in the handling of HTML messages with specially crafted SVG content.
The Impact of CVE-2020-16145
This vulnerability could allow an attacker to inject malicious scripts into the webmail interface, potentially leading to unauthorized access to sensitive information, session hijacking, or other malicious activities.
Technical Details of CVE-2020-16145
Roundcube Webmail versions before 1.3.15 and 1.4.8 are susceptible to stored XSS attacks through crafted SVG documents.
Vulnerability Description
The vulnerability in Roundcube Webmail allows for the execution of stored XSS attacks when rendering HTML messages that contain a malicious SVG file.
Affected Systems and Versions
- Roundcube Webmail versions before 1.3.15
- Roundcube Webmail versions before 1.4.8
Exploitation Mechanism
Attackers can exploit this vulnerability by sending HTML messages with specially crafted SVG content to users of vulnerable Roundcube Webmail versions.
Mitigation and Prevention
To address CVE-2020-16145 and enhance security:
Immediate Steps to Take
- Update Roundcube Webmail to version 1.3.15 or 1.4.8, where the vulnerability has been patched.
- Educate users about the risks of opening HTML messages from unknown or untrusted sources.
Long-Term Security Practices
- Regularly update software and apply security patches to mitigate known vulnerabilities.
- Implement content security policies (CSP) to reduce the impact of XSS attacks.
Patching and Updates
- Ensure timely installation of security updates and patches provided by Roundcube Webmail to address vulnerabilities like CVE-2020-16145.