An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.
Published 2024-01-02 17:15:10
Updated 2024-09-25 16:15:09
Source Silicon Labs
View at NVD,   CVE.org

Products affected by CVE-2023-4280

Exploit prediction scoring system (EPSS) score for CVE-2023-4280

0.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-4280

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST 2024-01-09
9.3
CRITICAL CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
2.5
6.0
Silicon Labs 2024-01-02

CWE ids for CVE-2023-4280

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: product-security@silabs.com (Secondary)
  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: product-security@silabs.com (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: product-security@silabs.com (Secondary)

References for CVE-2023-4280

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