CVE-2019-12260:Buffer Overflow in Wind River VxWorks TCP component (IPNET) due to a malformed TCP AO option, affecting VxWorks 6.9 and vx7 (CVE-2019-12260).

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CVE-2019-12260 describes a Buffer Overflow in the Wind River VxWorks TCP component (IPNET). The issue is triggered by a malformed TCP AO option that causes TCP Urgent Pointer state confusion within the IPNET stack, impacting VxWorks 6.9 and vx7.

Overview

This vulnerability concerns the IPNET TCP stack in Wind River VxWorks 6.9 and vx7, where a malformed TCP AO option can lead to Urgent Pointer state confusion and a subsequent buffer overflow in the TCP component. It is identified as CVE-2019-12260 and is one of multiple TCP/IP stack issues reported for the platform.

Remediation

  • Apply the vendor-provided patch or upgrade to a fixed release for Wind River VxWorks 6.9/vx7 as specified in Wind River security advisories. Check the Wind River support portal for the exact patched versions addressing CVE-2019-12260.
  • If a patch is not immediately available, implement vendor-recommended mitigations: restrict exposure of the affected TCP/IP stack through network segmentation and firewall rules, and apply any configuration changes or workarounds documented by Wind River in their security notices.
  • Validate remediation in a controlled environment before deploying to production, and maintain evidence of patch levels and tested configurations.
  • Monitor for further advisories and confirm that all affected devices are tracked in your vulnerability management program.

References

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

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