CVE-2023-20618:Improper locking in MediaTek's VCU component can lead to memory corruption, allowing local privilege escalation.

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CVE-2023-20618 affects MediaTek's video coding unit (VCU) component. The vulnerability stems from improper locking mechanisms that can lead to memory corruption. An attacker with system execution privileges could exploit this vulnerability to escalate privileges locally. No user interaction is required for exploitation, making this a serious vulnerability in MediaTek devices. This issue was identified and tracked as ALPS07519184.

Overview

This vulnerability (CVE-2023-20618) is classified as CWE-667 (Improper Locking), affecting MediaTek's video coding unit. The improper implementation of locking mechanisms in the VCU component can result in memory corruption. A local attacker with system execution privileges could exploit this vulnerability to elevate their privileges on the affected system. The vulnerability requires no user interaction to exploit, increasing its severity. MediaTek has acknowledged this issue and released a patch identified as ALPS07519184.

Remediation

To address this vulnerability, system administrators and users should:

  1. Update to the latest firmware provided by MediaTek or device manufacturers that incorporates the ALPS07519184 patch.
  2. Check with your device manufacturer for security updates specifically addressing CVE-2023-20618.
  3. Apply all available security patches for MediaTek components, particularly those released in or after February 2023.
  4. Limit system-level access to trusted users only until patches can be applied.
  5. Monitor system activities for any unusual behavior that might indicate exploitation attempts.

References

  1. MediaTek Product Security Bulletin (February 2023): https://corp.mediatek.com/product-security-bulletin/February-2023
  2. CWE-667: Improper Locking: https://cwe.mitre.org/data/definitions/667.html
  3. MediaTek Security Advisory containing patch ID: ALPS07519184

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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  3. Proactively Mitigate Threats.

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Armis Vulnerability Intelligence Database