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    Rewterz Threat Advisory – Microsoft Exchange Server OWA Multiple Spoofing Vulnerabilities

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    March 21, 2023
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    Rewterz Threat Alert – Rhadamanthys Stealer – Active IOCs
    Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]
    March 21, 2023
    March 21, 2023
    Rewterz Threat Alert – Mirai Botnet aka Katana – Active IOCs
    Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]
    March 21, 2023
    March 21, 2023
    Rewterz Threat Alert – LockBit Ransomware – Active IOCs
    Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]

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    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.

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    xdrLogo
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    Read More about XDR

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    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Advisory – Microsoft Exchange Server OWA Multiple Spoofing 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

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    • SIEM Gap Analysis
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    March 21, 2023
    March 21, 2023
    Rewterz Threat Alert – Rhadamanthys Stealer – Active IOCs
    Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]
    March 21, 2023
    March 21, 2023
    Rewterz Threat Alert – Mirai Botnet aka Katana – Active IOCs
    Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]
    March 21, 2023
    March 21, 2023
    Rewterz Threat Alert – LockBit Ransomware – Active IOCs
    Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]

    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 – Microsoft Windows Server 2016 / Windows 10 Multiple Vulnerabilities
April 11, 2019
Rewterz
Rewterz Threat Advisory – Microsoft SharePoint Multiple Products Multiple Script Insertion Vulnerabilities
April 11, 2019

Rewterz Threat Advisory – Microsoft Exchange Server OWA Multiple Spoofing Vulnerabilities

April 11, 2019

Severity

Medium

Analysis Summary

CVE-2019-0817

An error when handling web requests related to Outlook Web Access (OWA) can be exploited to spoof certain content and subsequently e.g. redirect a user to an arbitrary website.

CVE-2019-0858

Another error when handling web requests related to Outlook Web Access (OWA) can be exploited to spoof certain content and subsequently e.g. redirect a user to an arbitrary website.

Impact

  • Spoofing

Affected Vendors

Microsoft

Affected Products

  • Microsoft Exchange Server 2010
  • Microsoft Exchange Server 2013
  • Microsoft Exchange Server 2016
  • Microsoft Exchange Server 2019

Remediation

Vendor has released updates for the following products.

  • Microsoft Exchange Server 2013 Cumulative Update 22 (KB4487563):

https://www.microsoft.com/downloads/details.aspx?familyid=cdfdbe8a-01ac-412d-a4a7-ecda5bb5dd35

  • Microsoft Exchange Server 2016 Cumulative Update 11 (KB4487563):

https://www.microsoft.com/downloads/details.aspx?familyid=74a2878b-6978-4f3a-b1f6-bc202195fb01

  • Microsoft Exchange Server 2016 Cumulative Update 12 (KB4487563):

https://www.microsoft.com/downloads/details.aspx?familyid=12a706c6-6483-4948-b5a0-06ad02bd7908

  • Microsoft Exchange Server 2019 (KB4487563):

https://www.microsoft.com/downloads/details.aspx?familyid=05971399-0bb8-4ede-9b7d-3be188c5ddb7

  • Microsoft Exchange Server 2019 Cumulative Update 1 (KB4487563):

https://www.microsoft.com/downloads/details.aspx?familyid=9290c8bb-4db5-462e-9b0a-71c992dde85d

  • Microsoft Exchange Server 2010 Service Pack 3 (KB4491413):

https://www.microsoft.com/downloads/details.aspx?familyid=3adaa6ca-a52c-4a28-8b1d-ea1196073fea

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
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