CVE-2017-16950 : What You Need to Know

UrBackup Server versions prior to 2.1.20 contain a cross-site scripting (XSS) vulnerability that allows remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2017-16950

UrBackup Server is affected by a cross-site scripting (XSS) vulnerability that can be exploited by remote attackers.

What is CVE-2017-16950?

This vulnerability in UrBackup Server versions before 2.1.20 enables remote attackers to inject arbitrary web script or HTML through the action parameter.

The Impact of CVE-2017-16950

The XSS vulnerability in UrBackup Server can lead to unauthorized access, data theft, and potential manipulation of the server's content by malicious actors.

Technical Details of CVE-2017-16950

UrBackup Server's vulnerability details and affected systems.

Vulnerability Description

UrBackup Server versions prior to 2.1.20 are susceptible to cross-site scripting (XSS) attacks, allowing remote attackers to inject malicious scripts or HTML code via the action parameter.

Affected Systems and Versions

Product: UrBackup Server
Vendor: UrBackup
Versions Affected: All versions before 2.1.20

Exploitation Mechanism

Attackers exploit the action parameter in UrBackup Server to inject unauthorized web scripts or HTML, potentially compromising the server's security.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-16950 vulnerability.

Immediate Steps to Take

Update UrBackup Server to version 2.1.20 or later to patch the XSS vulnerability.
Monitor server logs for any suspicious activity that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement web application firewalls and input validation mechanisms to mitigate XSS risks.

Patching and Updates

Stay informed about security updates and apply patches promptly to ensure the server's protection.