CVE-2019-12260:Buffer Overflow in Wind River VxWorks TCP component due to TCP Urgent Pointer state confusion caused by a malformed TCP AO option.

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Wind River VxWorks versions 6.9 and vx7 are affected by a Buffer Overflow vulnerability in the TCP component. This vulnerability, identified as issue 2 of 4, is categorized as an IPNET security vulnerability. It arises from a state confusion related to the TCP Urgent Pointer when processing a malformed TCP AO (Alternative Options) option. This flaw could potentially allow an attacker to exploit the vulnerability, leading to unauthorized access or disruption of services.

Overview

CVE-2019-12260 is a security vulnerability affecting Wind River's VxWorks operating system, specifically versions 6.9 and vx7. The vulnerability is related to a Buffer Overflow in the TCP component, which can be triggered by a malformed TCP AO option. This issue can lead to TCP Urgent Pointer state confusion, potentially allowing attackers to exploit the vulnerability for malicious purposes. The vulnerability is significant as it affects a widely used real-time operating system in embedded systems, which may have critical implications for security and stability.

Remediation

To mitigate the risks associated with CVE-2019-12260, users of Wind River VxWorks 6.9 and vx7 should apply the latest security patches provided by Wind River. It is recommended to review the security notices available on the Wind River support site and ensure that all systems are updated to the latest version that addresses this vulnerability. Additionally, implementing network security measures such as firewalls and intrusion detection systems can help protect against potential exploitation of this vulnerability.

References

  1. Oracle Security Alerts - October 2020
  2. Wind River Security Notices
  3. SonicWall PSIRT - SNWLID-2019-0009
  4. Siemens Product Cert - SSA-632562
  5. NetApp Security Advisory - NTAP-20190802-0001
  6. Wind River Announcement on TCP/IP Network Stack
  7. Wind River CVE Details
  8. F5 Support Article - K41190253
  9. Siemens Product Cert - SSA-189842
  10. Siemens Product Cert - SSA-352504
  11. Oracle Security Alerts - July 2021

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. Public Administration: Low
    Public Administration
  5. Utilities: Low
    Utilities
  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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  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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