CVE-2017-17089 : Exploit Details and Defense Strategies

Webmin before version 1.870 is vulnerable to XSS attacks through the custom command feature.

Understanding CVE-2017-17089

Webmin allows remote authenticated administrators to execute XSS attacks by manipulating the description field within the custom command feature.

What is CVE-2017-17089?

The vulnerability in Webmin version 1.870 and earlier enables remote administrators with authentication to execute XSS attacks by manipulating the description field within the custom command feature.

The Impact of CVE-2017-17089

Remote authenticated administrators can conduct XSS attacks through the custom command functionality.

Technical Details of CVE-2017-17089

Webmin before 1.870 allows remote authenticated administrators to conduct XSS attacks via the description field in the custom command functionality.

Vulnerability Description

The custom/run.cgi in Webmin version 1.870 and earlier allows remote authenticated administrators to execute XSS attacks by manipulating the description field within the custom command feature.

Affected Systems and Versions

Product: Webmin
Vendor: Webmin
Versions affected: 1.870 and earlier

Exploitation Mechanism

The vulnerability is exploited by remote authenticated administrators manipulating the description field within the custom command feature.

Mitigation and Prevention

Immediate Steps to Take

Update Webmin to version 1.870 or later to mitigate the XSS vulnerability.
Monitor and restrict access to the custom command feature.

Long-Term Security Practices

Regularly review and update security configurations in Webmin.
Educate administrators on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Apply patches and updates provided by Webmin to address security vulnerabilities.