SSD Advisory – Webmin Multiple Vulnerabilities

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Vulnerability summary
The following advisory describes three (3) vulnerabilities found in Webmin version 1.850

Webmin “is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely. See the standard modules page for a list of all the functions built into Webmin.”

The vulnerabilities found are:

  • XSS vulnerability that leads to Remote Code Execution
  • CSRF Schedule arbitrary commands
  • Server Side Request Forgery

An independent security researcher, hyp3rlinx, has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program

Vendor response
Update 1

  • CVE-2017-15644
  • CVE-2017-15645
  • CVE-2017-15646

The vendor has released patches to address these vulnerabilities.

For more information: and

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