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<< Back VID 26836 Severity 40 Port 139,445 Protocol TCP Class SMB Detailed Description Microsoft Security Update for November 2019 is not installed. - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-1389, CVE-2019-1397) - A security feature bypass vulnerability exists when Windows Netlogon improperly handles a secure communications channel. An attacker who successfully exploited the vulnerability could downgrade aspects of the connection allowing for further modification of the transmission. (CVE-2019-1424) - An information disclosure vulnerability exists when DirectWrite improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how DirectWrite handles objects in memory. (CVE-2019-1411, CVE-2019-1432) - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2019-11135) - An elevation of privilege vulnerability exists when ActiveX Installer service may allow access to files without proper authentication. An attacker who successfully exploited the vulnerability could potentially access unauthorized files. (CVE-2019-1382) - An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. (CVE-2019-1388) - A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-1429) * Note: This check requires an account with administrative privileges which can log into the host to scan. Absence of this condition will result in the check not being performed and a False Negative for all vulnerable hosts. * References: https://support.microsoft.com/en-us/help/4009469 https://support.microsoft.com/en-us/help/4009470 https://support.microsoft.com/en-us/help/4009471 https://support.microsoft.com/en-us/help/4000825 * Platforms Affected: Windows Server 2008 SP2 Windows Server 2008 x64 SP2 Windows 7 SP1 Windows 7 x64 SP1 Windows Server 2008 R2 SP1 Windows Server 2008 R2 x64 SP1 Windows 8.1 Windows Server 2012 Windows Server 2012 R2 Windows 10 Windows Server 2016 Recommendation Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin November 2019 Microsoft security update at https://support.microsoft.com/en-us/help/4009469 https://support.microsoft.com/en-us/help/4009470 https://support.microsoft.com/en-us/help/4009471 https://support.microsoft.com/en-us/help/4000825 -- 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-2018-12207,CVE-2019-0712,CVE-2019-1382,CVE-2019-1384,CVE-2019-1388,CVE-2019-1389,CVE-2019-1390,CVE-2019-1391,CVE-2019-1393,CVE-2019-1394 (CVE) Related URL (SecurityFocus) Related URL (ISS)