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VID 26216
Severity 40
Port 139,445
Protocol TCP
Class SMB
Detailed Description The hotfix (MS06-041, KB920683) for 'Remote Code Execution Vulnerability in DNS Resolution' has not been applied. Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 up to SP1 could allow a remote attacker to execute arbitrary code on the host, caused by the following vulnerabilities.

1. Winsock Hostname Vulnerability: There is a remote code execution vulnerability in Winsock that could allow an attacker who successfully exploited this vulnerability to take complete control of the affected system. For an attack to be successful the attacker would have to force the user to open a file or visit a website that is specially crafted to call the affected Winsock API.
2. DNS Client Buffer Overrun Vulnerability: There is a remote code execution vulnerability in the DNS Client service that could allow an attacker who successfully exploited this vulnerability to take complete control of the affected system.

* Note: This check requires an account with Guest or upper privileges which can access the registry of the remote host to scan. Absence of these condition will result in the check not being performed and a False Negative for all vulnerable hosts.

* References:
http://www.microsoft.com/technet/security/bulletin/ms06-041.mspx
http://www.frsirt.com/english/advisories/2006/3211
http://secunia.com/advisories/21394/
http://www.us-cert.gov/cas/techalerts/TA06-220A.html
http://www.kb.cert.org/vuls/id/908276
http://xforce.iss.net/xforce/alerts/id/235

* Platforms Affected:
Microsoft Windows 2000 SP4
Microsoft Windows XP SP2
Microsoft Windows Server 2003 SP1
Recommendation Apply the appropriate patch (KB920683) for your system, as listed in Microsoft Security Bulletin MS06-041 at http://www.microsoft.com/technet/security/bulletin/ms06-041.mspx

-- OR --

Patches for Windows platforms are also available from the Microsoft Windows Update Web site, http://windowsupdate.microsoft.com . Windows Update detects what version of Windows you are running and offers the appropriate patch.
Related URL CVE-2006-3439 (CVE)
Related URL 19409 (SecurityFocus)
Related URL 28002 (ISS)