CVE-2023-26286:AIX Runtime Services Library Arbitrary Command Execution Vulnerability

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IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 contain a vulnerability in the AIX runtime services library that could allow a non-privileged local user to execute arbitrary commands on the system. This security flaw could lead to privilege escalation, allowing attackers to gain unauthorized access to system resources and potentially compromise the entire system.

Overview

The vulnerability (CVE-2023-26286) exists in the AIX runtime services library and affects multiple versions of IBM AIX operating systems and Virtual I/O Server (VIOS). A local, non-privileged user could exploit this vulnerability to execute arbitrary commands, potentially leading to complete system compromise. The vulnerability has been assigned IBM X-Force ID 248421. The exact technical details of the vulnerability mechanism have not been publicly disclosed, but it appears to be related to insufficient validation or improper handling of user input in the runtime services library.

Remediation

Organizations running affected versions of IBM AIX or VIOS should apply the appropriate security patches as soon as possible. IBM has released fixes for this vulnerability that should be installed following IBM's recommended update procedures. The specific remediation steps include:

  1. Review the IBM security bulletin at https://www.ibm.com/support/pages/node/6983236 for detailed information about available fixes.
  2. Download and apply the appropriate patches for your specific AIX or VIOS version.
  3. If immediate patching is not possible, consider implementing temporary workarounds such as restricting local access to systems and monitoring for suspicious activities.
  4. After applying patches, verify that the systems are properly updated and functioning correctly.
  5. Maintain regular security update practices to address future vulnerabilities.

References

  1. IBM Security Bulletin: https://www.ibm.com/support/pages/node/6983236
  2. IBM X-Force Exchange: https://exchange.xforce.ibmcloud.com/vulnerabilities/248421
  3. Cisco Talos Intelligence Report: https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1690
  4. MITRE CVE Entry: CVE-2023-26286

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

Focus on What Matters

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  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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