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Vulnerability of Webmin, Usermin: Cross Site Scripting of Popup Windows

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting in Popup Windows of Webmin/Usermin, in order to execute JavaScript code in the context of the web site.
Vulnerable systems: Solaris, Usermin, Webmin.
Severity of this threat: 2/4.
Number of vulnerabilities in this bulletin: 5.
Creation date: 22/05/2014.
Références of this weakness: bulletinapr2015, CERTFR-2015-AVI-169, CVE-2014-3883, CVE-2014-3884, CVE-2014-3885, CVE-2014-3886, CVE-2014-3924, VIGILANCE-VUL-14792.

Description of the vulnerability 

The Webmin/Usermin product offers a web service.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting in Popup Windows of Webmin/Usermin, in order to execute JavaScript code in the context of the web site.
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This computer vulnerability impacts software or systems such as Solaris, Usermin, Webmin.

Our Vigil@nce team determined that the severity of this weakness bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 5 vulnerabilities.

An attacker with a expert ability can exploit this weakness.

Solutions for this threat 

Webmin: version 1.690.
The version 1.690 is fixed:
  http://www.webmin.com/download.html

Usermin: version 1.600.
The version 1.600 is fixed:
  http://www.webmin.com/download.html

Solaris: patch for Third Party (15/04/2015).
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1
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