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Rewterz Threat Advisory – CVE-2023-21900 – Oracle Solaris Vulnerability
January 19, 2023
Rewterz Threat Advisory – CVE-2022-43859 – IBM Navigator for i Vulnerability
January 20, 2023

Rewterz Threat Advisory – CVE-2023-21893 – Oracle Database Server Oracle Data Provider for .NET Vulnerability

January 19, 2023

Severity

High

Analysis Summary

CVE-2023-21893

Oracle Database Server could allow a remote attacker to gain elevated privileges on the system, caused by an error in the Oracle Data Provider for .NET component. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to take control of the system.

Impact

  • Privilege Escalation

Indicators Of Compromise

CVE

  • CVE-2023-21893

Affected Vendors

Oracle

Affected Products

  • Oracle Database Server 19c
  • Oracle Database Server 21c

Remediation

Refer to Oracle Critical Patch Update Advisory for patch, upgrade or suggested workaround information.

Oracle Critical Patch Update Advisory

  • 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
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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