Vulnerability Note VU#999601
Webmin and Usermin fail to sanitize user input
OverviewWebmin and Usermin do not properly sanitize user input. This vulnerability may allow a remote, unauthenticated user to view any file on the system running Webmin or Usermin.
I. Description
Webmin
Webmin is popular web-based administration tool for Unix and Linux servers that allows system administrators to make changes to system processes.
Usermin
Usermin offers an interface similar to Webmin, but is designed for regular users who are not responsible for system administration tasks.
The Problem
There is an input validation vulnerability in Usermin and Webmin that could allow a remote, unauthenticated attacker could view any file on the computer running Webmin or Usermin.
II. ImpactAn attacker could read any file on the computer running Webmin or Usermin.
III. SolutionUpgrade
Usermin version Version 1.220 and Webmin version 1.290 have been released to address this vulnerability.
Restrict Access
Restrict access to the Webmin and Usermin servers to trusted hosts. Note that in addition to firewall and VPN access control methods, both Webmin and usermin can use SSH tunneling to provide additional layers of encryption and authorization.
Systems Affected
| Vendor | Status | Date Notified | Date Updated |
|---|
| Webmin | Unknown | 7-Jul-2006 |
References
http://secunia.com/advisories/20892/
http://www.webmin.com/uchanges-1.210.html
http://club.mandriva.com/xwiki/bin/KB/SecureSssh5?xpage=code&
Credit
The Webmin team has reported this vulnerability.
This document was written by Ryan Giobbi.
Other Information
| Date Public: | 2006-06-30 |
| Date First Published: | 2006-07-07 |
| Date Last Updated: | 2006-08-01 |
| CERT Advisory: | |
| CVE-ID(s): | CVE-2006-3392 |
| NVD-ID(s): | CVE-2006-3392 |
| US-CERT Technical Alerts: | |
| Metric: | 9.53 |
| Document Revision: | 31 |
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