Test ID:	1.3.6.1.4.1.25623.1.0.100283
Category:	Windows
Title:	Microsoft Windows SMB2 '_Smb2ValidateProviderCallback()' RCE Vulnerability
Summary:	Microsoft Windows is prone to a remote code execution (RCE) vulnerability; when processing the protocol headers for the Server Message Block (SMB) Negotiate Protocol Request.;; NOTE: Reportedly, for this issue to be exploitable, file sharing must be enabled.
Description:	Summary: Microsoft Windows is prone to a remote code execution (RCE) vulnerability when processing the protocol headers for the Server Message Block (SMB) Negotiate Protocol Request. NOTE: Reportedly, for this issue to be exploitable, file sharing must be enabled. Vulnerability Impact: An attacker can exploit this issue to execute code with SYSTEM-level privileges. failed exploit attempts will likely cause denial-of-service conditions. Affected Software/OS: - Microsoft Windows 7 RC, Vista and 2008 Server are vulnerable, other versions may also be affected. NOTE: Reportedly - Microsoft Windows XP and 2000 are not affected. UPDATE (September 9, 2009): Symantec has confirmed the issue on Microsoft Windows Vista SP1 and Microsoft Windows Server 2008 Solution: Microsoft has released updates to fix the issue. Please see the references for more information. CVSS Score: 10.0 CVSS Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2009-3103 BugTraq ID: 36299 http://www.securityfocus.com/bid/36299 Bugtraq: 20090908 Regarding Microsoft srv2.sys SMB2.0 NEGOTIATE BSOD (Google Search) http://www.securityfocus.com/archive/1/506300/100/0/threaded Bugtraq: 20090909 SMB SRV2.SYS Denial of Service PoC (Google Search) http://www.securityfocus.com/archive/1/506327/100/0/threaded Cert/CC Advisory: TA09-286A http://www.us-cert.gov/cas/techalerts/TA09-286A.html CERT/CC vulnerability note: VU#135940 http://www.kb.cert.org/vuls/id/135940 http://www.exploit-db.com/exploits/9594 http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0090.html http://blog.48bits.com/?p=510 http://g-laurent.blogspot.com/2009/09/windows-vista7-smb20-negotiate-protocol.html http://isc.sans.org/diary.html?storyid=7093 http://www.reversemode.com/index.php?option=com_content&task=view&id=64&Itemid=1 Microsoft Security Bulletin: MS09-050 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050 http://osvdb.org/57799 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6489 http://www.securitytracker.com/id?1022848 http://secunia.com/advisories/36623 XForce ISS Database: win-srv2sys-code-execution(53090) https://exchange.xforce.ibmcloud.com/vulnerabilities/53090
Copyright	Copyright (C) 2009 Greenbone AG

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