CVE-2017-15890 : What You Need to Know
Learn about CVE-2017-15890 affecting Synology MailPlus Server before 1.4.0-0415. Find out how remote authenticated users could inject malicious scripts via the NAME parameter.
Synology MailPlus Server before 1.4.0-0415 is vulnerable to cross-site scripting (XSS) attacks, allowing remote authenticated users to inject malicious scripts or HTML.
Understanding CVE-2017-15890
This CVE identifies a security vulnerability in Synology MailPlus Server that could be exploited by authenticated remote users.
What is CVE-2017-15890?
The NAME parameter in Synology MailPlus Server before version 1.4.0-0415 is susceptible to cross-site scripting (XSS) attacks. This flaw enables authenticated remote users to insert arbitrary web scripts or HTML code.
The Impact of CVE-2017-15890
The vulnerability could be exploited by remote authenticated users to execute malicious scripts or inject harmful content into the web application, potentially leading to various security risks.
Technical Details of CVE-2017-15890
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability lies in the Disclaimer feature of Synology MailPlus Server before version 1.4.0-0415, allowing attackers to perform XSS attacks via the NAME parameter.
Affected Systems and Versions
- Product: MailPlus Server
- Vendor: Synology
- Versions Affected: Before 1.4.0-0415
Exploitation Mechanism
Attackers with remote authenticated access can exploit the vulnerability by injecting malicious scripts or HTML code through the vulnerable NAME parameter.
Mitigation and Prevention
Protecting systems from CVE-2017-15890 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Synology MailPlus Server to version 1.4.0-0415 or later to mitigate the vulnerability.
- Monitor and restrict user input to prevent malicious script injections.
Long-Term Security Practices
- Implement regular security assessments and audits to identify and address vulnerabilities promptly.
- Educate users on secure coding practices and the risks of XSS attacks.
Patching and Updates
- Stay informed about security advisories and updates from Synology to apply patches promptly.