logo_SVG-01
✕
  • Platform
    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    • Managed Security Services
    • Managed Penetration Testing
  • Services
    • Assess
      • Compromise Assessment
      • Advanced Persistent Threats Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Transform
      • SOC Consultancy
      • SOC Maturity Assessment
      • SOC Model Evaluation
      • SOC Gap Analysis
      • SIEM Gap Analysis
      • SIEM Optimization
      • SOC Content Pack
    • Train
      • Simulated Cyber Attack Exercise
      • Tabletop Exercise
      • Security Awareness and Training
    • Respond
      • Incident Analysis
      • Incident Response
  • Solutions
  • Resources
    • Blogs
    • Press Releases
    • Threat Insights
      • Threat Intelligence Reports
      • Threat Advisories
      • Monthly Threat Insights
  • Why Rewterz?
    • About Us
    • Careers
    • Contact
logo_SVG-01
  • Platform
    xdrLogo
    center_new
    Read More about XDR

    Platform

    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Advisory – Microsoft Windows Server 2016 / Windows 10 Multiple Vulnerabilities

    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
    • Onsite SOC
    • Hybrid SOC

    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

    Assess

    • Compromise Assessment
    • APT Assessment
    • Penetration Testing
    • Architecture Design & Review
    • Red Team Assessment
    • Purple Team Assessment
    • Social Engineering
    • Source Code Review

    Transform

    • SOC Consultancy
    • SOC Maturity Assessment
    • SOC Model Evaluation
    • SOC Gap Analysis
    • SIEM Gap Analysis
    • SIEM Optimization
    • SOC Content Pack

    Train

    • Simulated Cyber Attack Exercise
    • Tabletop Exercise
    • Security Awareness and Training

    Respond

    • Incident Analysis
    • Incident Response
  • Solutions
  • Resources

    Resources

    • Blog
    • Press Releases
    March 17, 2023
    March 17, 2023
    Rewterz Threat Alert – Chaos Ransomware – Active IOCs
    Severity High Analysis Summary Chaos is a customizable ransomware builder that emerged on June 9 2021 (in underground forums) by falsely marketing itself as the .NET […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Advisory – Multiple Adobe ColdFusion Vulnerabilities
    Severity High Analysis Summary CVE-2023-26361 CVSS:4.9 Adobe ColdFusion could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Alert – Ursnif Banking Trojan aka Gozi – Active IOCs
    Severity Medium Analysis Summary Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

    • Contact
    • Careers
Get in Touch
logo_SVG-01
  • Platform
    xdrLogo
    center_new
    Read More about XDR

    Platform

    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Advisory – Microsoft Windows Server 2016 / Windows 10 Multiple Vulnerabilities

    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
    • Onsite SOC
    • Hybrid SOC

    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

    Assess

    • Compromise Assessment
    • APT Assessment
    • Penetration Testing
    • Architecture Design & Review
    • Red Team Assessment
    • Purple Team Assessment
    • Social Engineering
    • Source Code Review

    Transform

    • SOC Consultancy
    • SOC Maturity Assessment
    • SOC Model Evaluation
    • SOC Gap Analysis
    • SIEM Gap Analysis
    • SIEM Optimization
    • SOC Content Pack

    Train

    • Simulated Cyber Attack Exercise
    • Tabletop Exercise
    • Security Awareness and Training

    Respond

    • Incident Analysis
    • Incident Response
  • Solutions
  • Resources

    Resources

    • Blog
    • Press Releases
    March 17, 2023
    March 17, 2023
    Rewterz Threat Alert – Chaos Ransomware – Active IOCs
    Severity High Analysis Summary Chaos is a customizable ransomware builder that emerged on June 9 2021 (in underground forums) by falsely marketing itself as the .NET […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Advisory – Multiple Adobe ColdFusion Vulnerabilities
    Severity High Analysis Summary CVE-2023-26361 CVSS:4.9 Adobe ColdFusion could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Alert – Ursnif Banking Trojan aka Gozi – Active IOCs
    Severity Medium Analysis Summary Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

    • Contact
    • Careers
Get in Touch
Rewterz
Rewterz Threat Advisory – CVE-2017-3623 – IBM AIX / Virtual I/O Server RPC Arbitrary Code Execution Vulnerability
December 17, 2018
Rewterz
Rewterz Threat Advisory – Phishing Attack faking an Office 365 Non-Delivery Email
December 18, 2018

Rewterz Threat Advisory – Microsoft Windows Server 2016 / Windows 10 Multiple Vulnerabilities

December 18, 2018

Multiple vulnerabilities have been reported in Microsoft Windows Server 2016 and Microsoft Windows 10, which can be exploited by malicious, local users to disclose sensitive information, cause a DoS (Denial of Service), and gain escalated privileges.

 

 

IMPACT: High

 

PUBLISH DATE: 13th December 2018

 

OVERVIEW

 

Multiple vulnerabilities have been reported in Microsoft Windows Server 2016 and Microsoft Windows 10, which can be exploited by malicious, local users to disclose sensitive information, cause a DoS (Denial of Service), and gain escalated privileges and by malicious people to disclose sensitive information and compromise a vulnerable system.

 

 

ANALYSIS

 

CVE-2018-8595

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka “Windows GDI Information Disclosure Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8649

A denial of service vulnerability exists when Windows improperly handles objects in memory, aka “Windows Denial of Service Vulnerability.” This affects Windows 10, Windows Server 2019.

 

CVE-2018-8477

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka “Windows Kernel Information Disclosure Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8641

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka “Win32k Elevation of Privilege Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8612

A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values, aka “Connected User Experiences and Telemetry Service Denial of Service Vulnerability.” This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

CVE-2018-8637

An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka “Win32k Information Disclosure Vulnerability.” This affects Windows 10 Servers, Windows 10, Windows Server 2019.

 

CVE-2018-8638

An information disclosure vulnerability exists when DirectX improperly handles objects in memory, aka “DirectX Information Disclosure Vulnerability.” This affects Windows 10, Windows Server 2019.

 

CVE-2018-8611

An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka “Windows Kernel Elevation of Privilege Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8639

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka “Win32k Elevation of Privilege Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8634

A remote code execution vulnerability exists in Windows where Microsoft text-to-speech fails to properly handle objects in the memory, aka “Microsoft Text-To-Speech Remote Code Execution Vulnerability.” This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

 

CVE-2018-8599

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector Service improperly impersonates certain file operations, aka “Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability.” This affects Microsoft Visual Studio, Windows Server 2019, Windows Server 2016, Windows 10, Windows 10 Servers.

 

CVE-2018-8514

An information disclosure vulnerability exists when Remote Procedure Call runtime improperly initializes objects in memory, aka “Remote Procedure Call runtime Information Disclosure Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8596

 

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka “Windows GDI Information Disclosure Vulnerability.” This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

 

CVE-2018-8626

 

A remote code execution vulnerability exists in Windows Domain Name System (DNS) servers when they fail to properly handle requests, aka “Windows DNS Server Heap Overflow Vulnerability.” This affects Windows Server 2012 R2, Windows Server 2019, Windows Server 2016, Windows 10, Windows 10 Servers.

 

AFFECTED PRODUCTS

 

  •  Microsoft Windows 10
  • Microsoft Windows Server 2016

 

MITIGATION

 

Apply update.

  • Windows Server 2016 (KB4471321):
  • Windows 10 Version 1607 for x64-based Systems (KB4471321):
  • Windows Server 2016 (Server Core installation) (KB4471321):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471321

 

  • Windows 10 Version 1607 for 32-bit Systems (KB4471321):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471321

 

  • Windows 10 for x64-based Systems (KB4471323):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471323

 

  • Windows 10 for 32-bit Systems (KB4471323):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471323

 

  • Windows 10 Version 1703 for 32-bit Systems (KB4471327):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471327

 

  • Windows 10 Version 1809 for ARM64-based Systems (KB4471332):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

 

  • Windows 10 Version 1809 for x64-based Systems (KB4471332):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

 

  • Windows 10 Version 1809 for 32-bit Systems (KB4471332):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

 

  • Windows 10 Version 1709 for 32-bit Systems (KB4471329):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

 

  • Windows 10 Version 1803 for 32-bit Systems (KB4471324):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

 

  • Windows 10 Version 1709 for x64-based Systems (KB4471329):
  • Windows Server, version 1709 (Server Core Installation) (KB4471329):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

 

  • Windows 10 Version 1803 for x64-based Systems (KB4471324):
  • Windows Server, version 1803 (Server Core Installation) (KB4471324):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

 

  • Windows 10 Version 1803 for ARM64-based Systems (KB4471324):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

 

  • Windows 10 Version 1709 for ARM64-based Systems (KB4471329):
    https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

If you think you’re the victim of a cyber-attack, immediately send an email to soc@rewterz.com.

Platform

  • Rewterz XDR
  • Rewterz Defense
  • Rewterz Threat Intelligence

Managed Security Services

  • Managed Security Monitoring
  • Remote SOC
  • Onsite SOC
  • Hybrid SOC

Assess

  • Compromise Assessment
  • APT Assessment
  • Penetration Testing
  • Architecture Design & Review
  • Red Team Assessment
  • Purple Team Assessment
  • Social Engineering
  • Source Code Review

Transform

  • SOC Consultancy
  • SOC Maturity Assessment
  • SOC Model Evaluation
  • SOC Gap Analysis
  • SIEM Gap Analysis
  • SIEM Optimization
  • SOC Content Pack

Train

  • Simulated Cyber Attack Exercise
  • Tabletop Exercise
  • Security Awareness and Training

Respond

  • Incident Analysis
  • Incident Response

Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
COPYRIGHT © REWTERZ. ALL RIGHTS RESERVED.
Get a Demo