CVE-2023-22096:Java VM component in Oracle Database Server vulnerable to unauthorized data modification by low-privileged attackers.

splash
Back

Description Preview

A vulnerability exists in the Java VM component of Oracle Database Server versions 19.3-19.20 and 21.3-21.11. This easily exploitable vulnerability allows low-privileged attackers with Create Session and Create Procedure privileges to compromise the Java VM through Oracle Net access. Successful exploitation can result in unauthorized update, insert, or delete access to data accessible by the Java VM. The vulnerability has a CVSS 3.1 Base Score of 4.3, primarily affecting integrity.

Overview

This vulnerability (CVE-2023-22096) affects the Java VM component within Oracle Database Server. The issue allows attackers with limited privileges to gain unauthorized data modification capabilities. The vulnerability is considered easily exploitable and requires only network access via Oracle Net along with Create Session and Create Procedure privileges. While the vulnerability doesn't impact confidentiality or availability, it does compromise data integrity by allowing unauthorized modifications to data accessible by the Java VM component. The CVSS vector (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) indicates a network-exploitable vulnerability with low attack complexity, requiring low privileges, no user interaction, with impacts limited to integrity.

Remediation

Organizations should apply the security patches provided in Oracle's October 2023 Critical Patch Update (CPU). Specific remediation steps include:

  1. Update affected Oracle Database Server installations to the latest patched versions.
  2. Review and restrict privileges for database users, especially Create Session and Create Procedure privileges.
  3. Implement network access controls to limit Oracle Net access to trusted sources.
  4. Monitor database activity for suspicious operations targeting the Java VM component.
  5. Consider implementing additional security measures such as database activity monitoring and auditing to detect potential exploitation attempts.

References

  1. Oracle Critical Patch Update Advisory - October 2023: https://www.oracle.com/security-alerts/cpuoct2023.html
  2. CVSS 3.1 Specification: https://www.first.org/cvss/specification-document
  3. Oracle Database Security Guide: https://docs.oracle.com/en/database/oracle/oracle-database/21/dbseg/

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Manufacturing
    Manufacturing
  2. Public Administration
    Public Administration
  3. Health Care & Social Assistance
    Health Care & Social Assistance
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Transportation & Warehousing
    Transportation & Warehousing
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Retail Trade
    Retail Trade
  9. Other Services (except Public Administration)
    Other Services (except Public Administration)
  10. Utilities
    Utilities
  11. Management of Companies & Enterprises
    Management of Companies & Enterprises
  12. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  13. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  14. Accommodation & Food Services
    Accommodation & Food Services
  15. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  16. Construction
    Construction
  17. Information
    Information
  18. Mining
    Mining
  19. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

Let's talk!

background