CVE-2018-16845:CVE-2018-16845 is a vulnerability in nginx versions 1.15.6 and 1.14.1 that allows an attacker to cause an infinite loop, crash a worker process, or disclose memory by using a specially crafted mp4 file.

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Description Preview

The vulnerability in nginx versions 1.15.6 and 1.14.1 exists in the ngx_http_mp4_module, which can be exploited by an attacker to trigger an infinite loop, crash a worker process, or disclose memory contents. This issue only affects nginx if it is built with the ngx_http_mp4_module and the .mp4 directive is used in the configuration file. An attacker needs to be able to trigger the processing of a specially crafted mp4 file with the ngx_http_mp4_module to exploit this vulnerability.

Overview

  • CVE ID: CVE-2018-16845
  • CVSS Score: 8.2 (High)
    • Attack Vector: Network
    • Attack Complexity: Low
    • Privileges Required: None
    • User Interaction: None
    • Scope: Unchanged
    • Confidentiality Impact: Low
    • Integrity Impact: None
    • Availability Impact: High
  • CWE ID: CWE-400
  • Affected Versions: nginx 1.15.6, 1.14.1
  • Publication Date: 2018-11-06

Remediation

To remediate this vulnerability, users are advised to take the following actions:

  • Upgrade to a non-affected version of nginx.
  • If upgrading is not immediately possible, consider disabling the ngx_http_mp4_module or avoiding the use of the .mp4 directive in the configuration file.
  • Regularly monitor for security advisories and apply patches promptly.

References

  1. Debian Security Advisory DSA-4335: Link
  2. Red Hat Security Advisory RHSA-2018:3680: Link
  3. Red Hat Security Advisory RHSA-2018:3681: Link
  4. SecurityFocus BID 105868: Link
  5. Red Hat Bugzilla CVE-2018-16845: Link
  6. SecurityTracker ID 1042039: Link
  7. Debian LTS Announce 20181108 DLA 1572-1: Link
  8. Red Hat Security Advisory RHSA-2018:3653: Link
  9. Red Hat Security Advisory RHSA-2018:3652: Link
  10. Ubuntu Security Notice USN-3812-1: Link
  11. Nginx Mailing List Announcement: Link
  12. openSUSE-SU-2019:2120: Link
  13. Apple Support KB HT212818: Link
  14. Full Disclosure Mailing List Announcement: Link

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

Focus on What Matters

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

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