CVE-2018-1120:A flaw was found affecting the Linux kernel before version 4.17, allowing an attacker to cause denial of service by mmap()ing a FUSE-backed file onto a process's memory containing command line arguments or environment strings.

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Description Preview

The vulnerability in the Linux kernel before version 4.17 allows an attacker to exploit the mmap() function to map a FUSE-backed file onto a process's memory that contains command line arguments or environment strings. This can lead to a denial of service by causing utilities such as ps or w to block indefinitely or for a controlled time, acting as a synchronization primitive for other attacks.

Overview

  • CVE ID: CVE-2018-1120
  • CVSS Score: 2.8 (Low severity)
    • Attack Vector: Local
    • Attack Complexity: Low
    • Privileges Required: Low
    • User Interaction: Required
    • Scope: Unchanged
    • Confidentiality Impact: None
    • Integrity Impact: None
    • Availability Impact: Low
  • CWE ID: CWE-122
  • Affected Product: Linux kernel version 4.17
  • Published Date: 2018-06-20
  • Public Date: 2018-05-17

Remediation

To remediate this vulnerability, users are advised to update their Linux kernel to a version beyond 4.17. It is recommended to apply the necessary patches provided by the respective vendors to mitigate the risk of exploitation.

References

  1. Ubuntu Security Notice USN-3752-2: Link
  2. Red Hat Security Advisory RHSA-2018:3083: Link
  3. SecurityFocus BID 104229: Link
  4. Gentoo Linux Security Advisory GLSA-201805-14: Link
  5. Exploit Database Entry 44806: Link
  6. Ubuntu Security Notice USN-3910-1: Link
  7. Ubuntu Security Notice USN-3752-1: Link
  8. Red Hat Security Advisory RHSA-2018:2948: Link
  9. Debian LTS Announcement: Link
  10. oss-security Mailing List: Link
  11. Git Commit for Linux Kernel: Link
  12. Bugzilla Red Hat: 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. Health Care & Social Assistance
    Health Care & Social Assistance
  2. Manufacturing
    Manufacturing
  3. Public Administration
    Public Administration
  4. Educational Services
    Educational Services
  5. Finance and Insurance
    Finance and Insurance
  6. Transportation & Warehousing
    Transportation & Warehousing
  7. Utilities
    Utilities
  8. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  9. Retail Trade
    Retail Trade
  10. Other Services (except Public Administration)
    Other Services (except Public Administration)
  11. Information
    Information
  12. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  13. Management of Companies & Enterprises
    Management of Companies & Enterprises
  14. Accommodation & Food Services
    Accommodation & Food Services
  15. Construction
    Construction
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  18. Mining
    Mining
  19. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  20. Wholesale Trade
    Wholesale Trade

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Armis Vulnerability Intelligence Database