Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
CVE-2023-4280

9.3CRITICAL

Key Information:

Vendor

Silabs.com

Status
Gsdk
Vendor
CVE Published:
2 January 2024

What is CVE-2023-4280?

An unvalidated input vulnerability in the Silicon Labs TrustZone implementation within the Gecko SDK versions v4.3.x and earlier permits attackers to gain unauthorized access to the trusted region of memory. This flaw arises from insufficient validation of inputs, potentially enabling malicious actors to exploit the system by breaching the security boundaries between trusted and untrusted memory areas. Such vulnerabilities underscore the importance of robust input validation mechanisms in safeguarding critical data and system integrity.

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Deploy the Patch

Affected Version(s)

GSDK 1.0 <= 4.3.x

References

https://github.com/SiliconLabs/gecko_sdk
https://community.silabs.com/069Vm0000004NinIAE

CVSS V3.1

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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