CVE-2014-6259:Denial of service vulnerability in Zenoss Core through 5 Beta 3 due to improper detection of recursion during entity expansion.

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Zenoss Core through 5 Beta 3 is vulnerable to a denial of service attack caused by a flaw in detecting recursion during entity expansion. An attacker can exploit this vulnerability by sending a specially crafted XML document containing a large number of nested entity references, leading to excessive memory and CPU consumption. This vulnerability is identified as CVE-2014-6259 and is similar to CVE-2003-1564.

Overview

This vulnerability in Zenoss Core through 5 Beta 3 allows remote attackers to trigger a denial of service condition by exploiting the improper handling of recursion during entity expansion. By sending a malicious XML document with numerous nested entity references, an attacker can overwhelm the system's resources, resulting in a significant impact on memory and CPU usage.

Remediation

To mitigate this vulnerability, users of Zenoss Core through 5 Beta 3 are advised to apply the necessary security patches provided by the vendor. It is recommended to update the software to a patched version that addresses the recursion detection issue to prevent potential denial of service attacks. Additionally, users should ensure that input validation mechanisms are in place to filter out malicious XML documents.

References

  1. Vulnerability Note VU#449452 - [CERT-VN] - http://www.kb.cert.org/vuls/id/449452
  2. Additional information - https://docs.google.com/spreadsheets/d/1dHAc4PxUbs-4Dxzm1wSCE0sMz5UCMY6SW3PlMHSyuuQ/edit?usp=sharing

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

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Armis Vulnerability Intelligence Database