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N-Stealth Security Scanner "Server" Header Script Insertion Advisory Available in Danish 

Secunia Advisory: SA16684  
Release Date: 2005-09-02
Last Update: 2005-09-27

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:N-Stealth Security Scanner 5.x

CVE reference:CVE-2005-2861 (Secunia mirror)

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Description:
Mariano Nunez Di Croce has reported a vulnerability in N-Stealth Security Scanner, which can be exploited by malicious people to conduct script insertion attacks.

The vulnerability is cause due to the lack of sanitation of the Server Header value returned in the HTTP response of a web site before using it to generate a HTML-based vulnerability report. This can be exploited to execute arbitrary HTML and script code in the "My Computer" zone when the vulnerability report is viewed.

Successful exploitation requires that the user is tricked into scanning a malicious web site.

The vulnerability has been reported in the following products:
* N-Stealth Security Scanner Commercial Edition (versions prior to 5.8.0.38)
* N-Stealth Security Scanner Free Edition (versions prior to 5.8.1.03)

Solution:
Update to the fixed versions.

N-Stealth Security Scanner Commercial Edition:
Update to version 5.8.0.38 or later.

N-Stealth Security Scanner Free Edition:
Update to version 5.8.1.03 or later.

Provided and/or discovered by:
Mariano Nunez Di Croce, Cybsec S.A.

Changelog:
2005-09-27: Added CVE reference.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.


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