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Rewterz Threat Advisory – Multiple Microsoft Exchange Server Vulnerabilities
January 11, 2023
Rewterz Threat Advisory – Multiple Microsoft Azure Vulnerabilities
January 11, 2023

Rewterz Threat Advisory –Multiple Microsoft Office Vulnerabilities

January 11, 2023

Severity

High

Analysis Summary

CVE-2023-21736 CVSS:7.8

Microsoft Office Visio could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-21737 CVSS:7.8

Microsoft Office Visio could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-21734 CVSS:7.8

Microsoft Office could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-21738 CVSS:7.1

Microsoft Office Visio could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-21741 CVSS:7.1

Microsoft Office Visio could allow a remote authenticated attacker to obtain sensitive information. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information from heap memory and then use this information to launch further attacks against the affected system.

CVE-2023-21735 CVSS:7.8

Microsoft Office could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Code Execution
  • Information Disclosure

Indicators Of Compromise

CVE

  • CVE-2023-21736
  • CVE-2023-21737
  • CVE-2023-21734
  • CVE-2023-21738
  • CVE-2023-21741
  • CVE-2023-21735

Affected Vendors

Microsoft

Affected Products

  • Microsoft Visio 2013 SP1 x32
  • Microsoft Visio 2013 SP1 x64
  • Microsoft Visio 2016 x32
  • Microsoft Visio 2016 x64
  • Microsoft Office 2019 Mac
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office 2019 x32
  • Microsoft Office 2019 x64
  • Microsoft Office LTSC 2021 x64
  • Microsoft Office LTSC 2021 x32
  • Microsoft 365 Apps for Enterprise x32
  • Microsoft 365 Apps for Enterprise x64

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.

CVE-2023-21736

CVE-2023-21737

CVE-2023-21734

CVE-2023-21738

CVE-2023-21741

CVE-2023-21735

  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
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    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
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      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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