CVE-2019-12255:Buffer Overflow vulnerability in Wind River VxWorks TCP component leading to an integer underflow.

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Description Preview

Wind River VxWorks has a Buffer Overflow vulnerability in the TCP component, specifically identified as issue 1 of 4. This vulnerability is categorized as an IPNET security issue where the TCP Urgent Pointer is set to 0, which can lead to an integer underflow. This flaw could potentially allow an attacker to exploit the system, resulting in unauthorized access or other malicious activities.

Overview

CVE-2019-12255 is a security vulnerability affecting Wind River VxWorks, a real-time operating system widely used in embedded systems. The vulnerability arises from a buffer overflow in the TCP component, which can be exploited due to improper handling of the TCP Urgent Pointer. The vulnerability is classified as an integer underflow, which can lead to various security risks, including denial of service or arbitrary code execution, depending on the attack vector.

Remediation

To mitigate the risks associated with CVE-2019-12255, users of Wind River VxWorks should:

  1. Review the security notices provided by Wind River and other relevant vendors.
  2. Apply any available patches or updates that address this vulnerability.
  3. Implement network security measures to monitor and restrict unauthorized access attempts.
  4. Consider conducting a security assessment of systems running affected versions of VxWorks to identify and remediate any potential exploitation scenarios.

References

  1. Wind River Security Notices
  2. SonicWall PSIRT Advisory
  3. Siemens Product Cert
  4. NetApp Security Advisory
  5. Wind River TCP/IP Network Stack Announcement
  6. CVE-2019-12255 Details
  7. Packet Storm Security Report
  8. F5 Support Article
  9. Siemens Product Cert
  10. F5 Support Article
  11. Siemens Product Cert

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. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  9. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  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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