The remote host is affected by a remote code execution vulnerability in Remote Desktop Protocol (RDP). An unauthenticated, remote attacker can exploit this, via a series of specially crafted requests, to execute arbitrary code.

The remote Windows host is missing a security update. It is, therefore, affected by a unspecified flaw that exists in the Remote Desktop Protocol (RDP) service. An unauthenticated, remote attacker can exploit this, via a specially crafted application, to execute arbitrary code with full user privileges.

The remote Windows host is missing security update 4499175 or cumulative update 4499164. It is, therefore, affected by multiple vulnerabilities :

  - A new subclass of speculative execution side channel vulnerabilities,     known as Microarchitectural Data Sampling, exist in Windows.
    An attacker who successfully exploited these vulnerabilities     may be able to read privileged data across trust boundaries.     In shared resource environments (such as exists in some cloud     services configurations), these vulnerabilities could allow     one virtual machine to improperly access information from     another. In non-browsing scenarios on standalone systems, an     attacker would need prior access to the system or an ability     to run a specially crafted application on the target system     to leverage these vulnerabilities.
    (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)

  - A denial of service vulnerability exists when .NET     Framework and .NET Core improperly process RegEx     strings. An attacker who successfully exploited this     vulnerability could cause a denial of service against a     .NET application. A remote unauthenticated attacker     could exploit this vulnerability by issuing specially     crafted requests to a .NET Framework (or .NET core)     application. The update addresses the vulnerability by     correcting how .NET Framework and .NET Core applications     handle RegEx string processing. (CVE-2019-0820)

  - A remote code execution vulnerability exists when     Microsoft Windows OLE fails to properly validate user     input. An attacker could exploit the vulnerability to     execute malicious code.  (CVE-2019-0885)

  - An elevation of privilege vulnerability exists when the     Windows Kernel improperly handles key enumeration. An     attacker who successfully exploited the vulnerability     could gain elevated privileges on a targeted system. A     locally authenticated attacker could exploit this     vulnerability by running a specially crafted     application. The security update addresses the     vulnerability by helping to ensure that the Windows     Kernel properly handles key enumeration. (CVE-2019-0881)

  - An elevation of privilege vulnerability exists in     Microsoft Windows when Windows fails to properly handle     certain symbolic links. An attacker who successfully     exploited this vulnerability could potentially set     certain items to run at a higher level and thereby     elevate permissions.  (CVE-2019-0936)

  - An spoofing vulnerability exists when Internet Explorer     improperly handles URLs. An attacker who successfully     exploited this vulnerability could trick a user by     redirecting the user to a specially crafted website. The     specially crafted website could either spoof content or     serve as a pivot to chain an attack with other     vulnerabilities in web services.  (CVE-2019-0921)

  - A remote code execution vulnerability exists in the way     that Microsoft browsers access objects in memory. The     vulnerability could corrupt memory in a way that could     allow an attacker to 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-2019-0940)

  - A remote code execution vulnerability exists in the way     the scripting engine handles objects in memory in     Microsoft browsers. 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-2019-0884, CVE-2019-0911, CVE-2019-0918)

  - A remote code execution vulnerability exists when the     Windows Jet Database Engine improperly handles objects     in memory. An attacker who successfully exploited this     vulnerability could execute arbitrary code on a victim     system. An attacker could exploit this vulnerability by     enticing a victim to open a specially crafted file. The     update addresses the vulnerability by correcting the way     the Windows Jet Database Engine handles objects in     memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891,     CVE-2019-0893, CVE-2019-0894, CVE-2019-0895,     CVE-2019-0896, CVE-2019-0897, CVE-2019-0898,     CVE-2019-0899, CVE-2019-0900, CVE-2019-0901,     CVE-2019-0902)

  - A memory corruption vulnerability exists in the Windows     Server DHCP service when processing specially crafted     packets. An attacker who successfully exploited the     vulnerability could run arbitrary code on the DHCP     server.  (CVE-2019-0725)

  - A denial of service vulnerability exists when .NET     Framework improperly handles objects in heap memory. An     attacker who successfully exploited this vulnerability     could cause a denial of service against a .NET     application.  (CVE-2019-0864)

  - A remote code execution vulnerability exists in Remote     Desktop Services formerly known as Terminal Services     when an unauthenticated attacker connects to the target     system using RDP and sends specially crafted requests.
    This vulnerability is pre-authentication and requires no     user interaction. An attacker who successfully exploited     this vulnerability could execute arbitrary code on the     target system. An attacker could then install programs;
    view, change, or delete data; or create new accounts     with full user rights.  (CVE-2019-0708)

  - An information disclosure vulnerability exists when the     Windows GDI component 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 the Windows GDI component handles objects     in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)

  - An information disclosure vulnerability exists when     Internet Explorer improperly handles objects in memory.
    An attacker who successfully exploited the vulnerability     could obtain information to further compromise the users     system.  (CVE-2019-0930)

  - An elevation of privilege vulnerability exists in     Microsoft Windows when a man-in-the-middle attacker is     able to successfully decode and replace authentication     request using Kerberos, allowing an attacker to be     validated as an Administrator. The update addresses this     vulnerability by changing how these requests are     validated. (CVE-2019-0734)

  - An elevation of privilege vulnerability exists in the     way Windows Error Reporting (WER) handles files. An     attacker who successfully exploited this vulnerability     could run arbitrary code in kernel mode. An attacker     could then install programs; view, change, or delete     data; or create new accounts with administrator     privileges.  (CVE-2019-0863)

  - A denial of service vulnerability exists when .NET     Framework or .NET Core improperly handle web requests.
    An attacker who successfully exploited this     vulnerability could cause a denial of service against a     .NET Framework or .NET Core web application. The     vulnerability can be exploited remotely, without     authentication. A remote unauthenticated attacker could     exploit this vulnerability by issuing specially crafted     requests to the .NET Framework or .NET Core application.
    The update addresses the vulnerability by correcting how     .NET Framework or .NET Core web applications handles web     requests. (CVE-2019-0980, CVE-2019-0981)

  - A remote code execution vulnerability exists in the way     that the Windows Graphics Device Interface (GDI) handles     objects in the memory. An attacker who successfully     exploited this vulnerability could take control of the     affected system. An attacker could then install     programs; view, change, or delete data; or create new     accounts with full user rights.  (CVE-2019-0903)

The remote Windows host is missing security update 4499180 or cumulative update 4499149. It is, therefore, affected by multiple vulnerabilities :

  - A denial of service vulnerability exists when .NET     Framework and .NET Core improperly process RegEx     strings. An attacker who successfully exploited this     vulnerability could cause a denial of service against a     .NET application. A remote unauthenticated attacker     could exploit this vulnerability by issuing specially     crafted requests to a .NET Framework (or .NET core)     application. The update addresses the vulnerability by     correcting how .NET Framework and .NET Core applications     handle RegEx string processing. (CVE-2019-0820)

  - A remote code execution vulnerability exists when     Microsoft Windows OLE fails to properly validate user     input. An attacker could exploit the vulnerability to     execute malicious code.  (CVE-2019-0885)

  - An elevation of privilege vulnerability exists when the     Windows Kernel improperly handles key enumeration. An     attacker who successfully exploited the vulnerability     could gain elevated privileges on a targeted system. A     locally authenticated attacker could exploit this     vulnerability by running a specially crafted     application. The security update addresses the     vulnerability by helping to ensure that the Windows     Kernel properly handles key enumeration. (CVE-2019-0881)

  - An elevation of privilege vulnerability exists in     Microsoft Windows when Windows fails to properly handle     certain symbolic links. An attacker who successfully     exploited this vulnerability could potentially set     certain items to run at a higher level and thereby     elevate permissions.  (CVE-2019-0936)

  - An spoofing vulnerability exists when Internet Explorer     improperly handles URLs. An attacker who successfully     exploited this vulnerability could trick a user by     redirecting the user to a specially crafted website. The     specially crafted website could either spoof content or     serve as a pivot to chain an attack with other     vulnerabilities in web services.  (CVE-2019-0921)

  - A remote code execution vulnerability exists when the     Windows Jet Database Engine improperly handles objects     in memory. An attacker who successfully exploited this     vulnerability could execute arbitrary code on a victim     system. An attacker could exploit this vulnerability by     enticing a victim to open a specially crafted file. The     update addresses the vulnerability by correcting the way     the Windows Jet Database Engine handles objects in     memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891,     CVE-2019-0893, CVE-2019-0894, CVE-2019-0895,     CVE-2019-0896, CVE-2019-0897, CVE-2019-0898,     CVE-2019-0899, CVE-2019-0900, CVE-2019-0901,     CVE-2019-0902)

  - A denial of service vulnerability exists when .NET     Framework improperly handles objects in heap memory. An     attacker who successfully exploited this vulnerability     could cause a denial of service against a .NET     application.  (CVE-2019-0864)

  - A remote code execution vulnerability exists in Remote     Desktop Services formerly known as Terminal Services     when an unauthenticated attacker connects to the target     system using RDP and sends specially crafted requests.
    This vulnerability is pre-authentication and requires no     user interaction. An attacker who successfully exploited     this vulnerability could execute arbitrary code on the     target system. An attacker could then install programs;
    view, change, or delete data; or create new accounts     with full user rights.  (CVE-2019-0708)

  - An information disclosure vulnerability exists when the     Windows GDI component 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 the Windows GDI component handles objects     in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)

  - An information disclosure vulnerability exists when     Internet Explorer improperly handles objects in memory.
    An attacker who successfully exploited the vulnerability     could obtain information to further compromise the users     system.  (CVE-2019-0930)

  - An elevation of privilege vulnerability exists in     Microsoft Windows when a man-in-the-middle attacker is     able to successfully decode and replace authentication     request using Kerberos, allowing an attacker to be     validated as an Administrator. The update addresses this     vulnerability by changing how these requests are     validated. (CVE-2019-0734)

  - A denial of service vulnerability exists when .NET     Framework or .NET Core improperly handle web requests.
    An attacker who successfully exploited this     vulnerability could cause a denial of service against a     .NET Framework or .NET Core web application. The     vulnerability can be exploited remotely, without     authentication. A remote unauthenticated attacker could     exploit this vulnerability by issuing specially crafted     requests to the .NET Framework or .NET Core application.
    The update addresses the vulnerability by correcting how     .NET Framework or .NET Core web applications handles web     requests. (CVE-2019-0980, CVE-2019-0981)

  - A remote code execution vulnerability exists in the way     that the Windows Graphics Device Interface (GDI) handles     objects in the memory. An attacker who successfully     exploited this vulnerability could take control of the     affected system. An attacker could then install     programs; view, change, or delete data; or create new     accounts with full user rights.  (CVE-2019-0903)

  - A remote code execution vulnerability exists in the way     the scripting engine handles objects in memory in     Microsoft browsers. 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-2019-0884, CVE-2019-0918)

ID	Name	Product	Family	Published	Updated	Severity
125313	Microsoft RDP RCE (CVE-2019-0708) (BlueKeep) (uncredentialed check)	Nessus	Windows	5/22/2019	2/5/2021	critical
125073	Microsoft Security Advisory 4500331: Guidance for older platforms (XP / 2003) (BlueKeep)	Nessus	Windows : Microsoft Bulletins	5/14/2019	2/8/2021	critical
125063	KB4499175: Windows 7 and Windows Server 2008 R2 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (BlueKeep)	Nessus	Windows : Microsoft Bulletins	5/14/2019	2/5/2021	critical
125060	KB4499180: Windows Server 2008 and Windows Vista SP2 May 2019 Security Update (BlueKeep)	Nessus	Windows : Microsoft Bulletins	5/14/2019	2/5/2021	critical
7286	Windows RDP RCE (BlueKeep)	Nessus Network Monitor	Generic	6/3/2019	6/3/2019	critical

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