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    Rewterz Threat Alert – Mekotio Banking Trojan aka Melcoz – Active IOCs
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    Severity High Analysis Summary CVE-2023-28684 CVSS:7.1 Jenkins remote-jobs-view-plugin Plugin could allow a remote authenticated attacker to obtain sensitive information, caused by improper handling of XML external […]

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    Rewterz Threat Advisory – Windows Server 2012/Windows RT 8.1/8.1 multiple vulnerabilities

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    March 22, 2023
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    Rewterz Threat Alert – Mekotio Banking Trojan aka Melcoz – Active IOCs
    Severity Medium Analysis Summary Mekotio is a banking trojan that targets users in Latin America and Europe. It is primarily distributed via phishing emails and infected […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Update – Cyber Threat Intelligence Advisory – 23rd March Pakistan Day
    Analysis Summary Overview – 23rd Mar – A Big Day –  As we approach the 23rd of March, Pakistan Day, organizations and individuals should be aware […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Advisory -Multiple Jenkins Products Vulnerabilities
    Severity High Analysis Summary CVE-2023-28684 CVSS:7.1 Jenkins remote-jobs-view-plugin Plugin could allow a remote authenticated attacker to obtain sensitive information, caused by improper handling of XML external […]

    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.

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Rewterz Threat Advisory – CVE-2018-8604 – Microsoft Exchange Server 2016 Profile Data Manipulation Vulnerability
December 13, 2018
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December 14, 2018

Rewterz Threat Advisory – Windows Server 2012/Windows RT 8.1/8.1 multiple vulnerabilities

December 13, 2018

Multiple vulnerabilities have been found in Windows Server 2012 that can be exploited to cause System access, Privilege escalation and Exposure of sensitive information.

 

 

IMPACT: HIGH

 

PUBLISH DATE: 13TH December 2018

 

 

OVERVIEW

 

Multiple vulnerabilities have been reported in Microsoft Windows Server 2012, Microsoft Windows RT 8.1, and
Microsoft Windows 8.1, which can be exploited by malicious, local users to disclose sensitive information 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-2018-8477

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-2018-8611

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-2018-8621

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

 

 

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.

 

CVE-2018-8622

 

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 2012, Windows 8.1, Windows Server 2008 R2.

 

 

AFFECTED PRODUCTS

 

Microsoft Windows Server 2012
Microsoft Windows RT 8.1
Microsoft Windows 8.1

 

 

MITIGATION

 

Apply update.

 

  • Windows Server 2012 (KB4471326):
  • Windows Server 2012 (Server Core installation) (KB4471326):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471326
Windows RT 8.1 (KB4471320):

Apply update (please see the vendor’s service database for details).

 

  • Windows 8.1 for x64-based systems (KB4471320):
  • Windows Server 2012 R2 (KB4471320):
  • Windows Server 2012 R2 (Server Core installation) (KB4471320):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471320

  • Windows 8.1 for 32-bit systems (KB4471320):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471320

  • Windows 8.1 for x64-based systems (KB4471322):
  • Windows Server 2012 R2 (KB4471322):
  • Windows Server 2012 R2 (Server Core installation) (KB4471322):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471322

 

  • Windows 8.1 for 32-bit systems (KB4471322):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471322

  • Windows Server 2012 (KB4471330):
  • Windows Server 2012 (Server Core installation) (KB4471330):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471330

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

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
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Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
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Connect With Us

  • Contact
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