CVE-2019-12263:Buffer Overflow in Wind River VxWorks TCP component due to race condition in TCP Urgent Pointer handling.

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Wind River VxWorks versions 6.9.4 and vx7 are affected by a buffer overflow vulnerability in the TCP component. This vulnerability arises from a race condition related to the TCP Urgent Pointer state confusion. Exploitation of this vulnerability could potentially allow an attacker to execute arbitrary code, leading to a compromise of the affected system.

Overview

CVE-2019-12263 is a security vulnerability identified in Wind River's VxWorks operating system, specifically in the TCP component. The issue is characterized by a buffer overflow caused by a race condition involving the TCP Urgent Pointer. This vulnerability can be exploited to manipulate the state of the TCP connection, which may lead to unauthorized access or control over the affected systems. The vulnerability affects versions 6.9.4 and vx7 of VxWorks, which are commonly used in embedded systems and critical infrastructure.

Remediation

To mitigate the risks associated with CVE-2019-12263, users of Wind River VxWorks should take the following actions:

  1. Upgrade: Ensure that the VxWorks operating system is updated to the latest version that addresses this vulnerability. Consult Wind River's security notices for specific patches or updates.
  2. Configuration Review: Review and adjust system configurations to limit exposure to potential exploitation. This may include implementing network segmentation and access controls.
  3. Monitoring: Implement monitoring solutions to detect any unusual activity that may indicate an attempted exploitation of this vulnerability.
  4. Consult Vendor Documentation: Refer to Wind River's official documentation and security advisories for detailed guidance on remediation steps.

References

  1. Wind River Security Notices
  2. SonicWall PSIRT Advisory
  3. Siemens Product Cert - SSA-632562
  4. NetApp Security Advisory
  5. Wind River TCP/IP Network Stack Announcement
  6. Wind River CVE Details
  7. F5 Support Article
  8. Siemens Product Cert - SSA-189842
  9. Siemens Product Cert - SSA-352504

This information provides a comprehensive overview of the vulnerability, its implications, and recommended actions for remediation.

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: Medium
    Health Care & Social Assistance
  3. Public Administration: Medium
    Public Administration
  4. Professional, Scientific, & Technical Services: Low
    Professional, Scientific, & Technical Services
  5. Retail Trade: Low
    Retail Trade
  6. Utilities: Low
    Utilities
  7. Transportation & Warehousing: Low
    Transportation & Warehousing
  8. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  9. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  10. Mining: Low
    Mining
  11. Accommodation & Food Services: Low
    Accommodation & Food Services
  12. Information: Low
    Information
  13. Arts, Entertainment & Recreation: Low
    Arts, Entertainment & Recreation
  14. Finance and Insurance: Low
    Finance and Insurance
  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

Focus on What Matters

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

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