CVE-2021-30808:A vulnerability in Apple operating systems allows malicious applications to modify protected parts of the file system.

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Description Preview

CVE-2021-30808 affects multiple Apple operating systems including iOS, iPadOS, tvOS, and watchOS. The vulnerability allows a malicious application to bypass security restrictions and modify protected areas of the file system that should normally be inaccessible. This could potentially lead to privilege escalation, data tampering, or compromise of system integrity. Apple addressed this issue by implementing improved checks in their security architecture.

Overview

This vulnerability (CVE-2021-30808) affects Apple's operating systems prior to iOS 15, iPadOS 15, tvOS 15, and watchOS 8. The security flaw allows malicious applications to modify protected parts of the file system, which could lead to unauthorized data access, tampering with system files, or privilege escalation. The vulnerability stems from insufficient security checks in the file system protection mechanisms. Attackers could exploit this vulnerability to gain access to sensitive data or potentially execute arbitrary code with elevated privileges.

Remediation

To address this vulnerability, users should update their devices to the following versions or later:

  • iOS 15 or later for iPhone
  • iPadOS 15 or later for iPad
  • tvOS 15 or later for Apple TV
  • watchOS 8 or later for Apple Watch

These updates include improved security checks that prevent malicious applications from modifying protected parts of the file system. Users are strongly encouraged to apply these updates as soon as possible to mitigate the risk of exploitation.

References

  1. Apple Security Updates for iOS 15 and iPadOS 15: https://support.apple.com/en-us/HT212814
  2. Apple Security Updates for tvOS 15: https://support.apple.com/en-us/HT212815
  3. Apple Security Updates for watchOS 8: https://support.apple.com/en-us/HT212819
  4. Additional Apple Security Advisory: https://support.apple.com/kb/HT212869

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