CVE-2019-12256:Buffer Overflow vulnerability in the IPv4 component of Wind River VxWorks 6.9 and vx7.

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Wind River VxWorks 6.9 and vx7 contain a Buffer Overflow vulnerability in the IPv4 component, specifically related to the parsing of IP options in IPv4 packets. This vulnerability can lead to a stack overflow, potentially allowing an attacker to execute arbitrary code or cause a denial of service.

Overview

CVE-2019-12256 is a security vulnerability affecting Wind River VxWorks versions 6.9 and vx7. The vulnerability arises from improper handling of IPv4 packet options, which can result in a buffer overflow. This flaw can be exploited by attackers to manipulate the stack, leading to severe consequences such as arbitrary code execution or system crashes. The issue is particularly critical in environments where VxWorks is used in embedded systems, as these systems often have limited security measures in place.

Remediation

To mitigate the risks associated with CVE-2019-12256, it is recommended that users of Wind River VxWorks 6.9 and vx7 apply the latest security patches provided by Wind River. Users should regularly check the Wind River security notices page for updates and advisories related to this vulnerability. Additionally, implementing network security measures such as firewalls and intrusion detection systems can help protect against exploitation attempts.

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

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: Low
    Public Administration
  4. Professional, Scientific, & Technical Services: Low
    Professional, Scientific, & Technical Services
  5. Retail Trade: Low
    Retail Trade
  6. Utilities: Low
    Utilities
  7. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  8. Transportation & Warehousing: Low
    Transportation & Warehousing
  9. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  10. Mining: Low
    Mining
  11. Information: Low
    Information
  12. Accommodation & Food Services: Low
    Accommodation & Food Services
  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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