Compiler removal of buffer clearing in sli_crypto_transparent_aead_encrypt_tag in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Published 2023-05-18 19:15:10
Updated 2023-05-25 18:04:57
Source Silicon Labs
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-32096

0.16%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-32096

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST
3.1
LOW CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
1.6
1.4
Silicon Labs

CWE ids for CVE-2023-32096

  • Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it is not read from again, aka "dead store removal."
    Assigned by: product-security@silabs.com (Secondary)

References for CVE-2023-32096

Products affected by CVE-2023-32096

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