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Rewterz Threat Advisory – Multiple Microsoft SharePoint Server Vulnerabilities
January 11, 2023
Rewterz Threat Advisory –Multiple Google Chrome Vulnerabilities
January 12, 2023

Rewterz Threat Advisory –CVE-2023-21538 – Microsoft .NET Vulnerability

January 11, 2023

Severity

High

Analysis Summary

CVE-2023-21538

Microsoft .NET is vulnerable to a denial of service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service

Indicators Of Compromise

CVE

  • CVE-2023-21538

Affected Vendors

Microsoft

Affected Products

  • Microsoft .NET 6.0

Remediation

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

Microsoft Security Update Guide

  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • 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
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
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  • Resources
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    • Threat Advisory
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    • About Us
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    • Contact
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