PT-2023-23605 · Silicon · Silicon Labs Gecko Platform Sdk

Published 2023-05-18 · Updated 2023-05-25 · CVE-2023-32096

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Silicon Labs Gecko Platform SDK versions prior to 4.2.1

Description The issue arises from the compiler removal of buffer clearing in the sli crypto transparent aead encrypt tag function, leading to key material duplication to RAM. This results in a security risk.

Recommendations For Silicon Labs Gecko Platform SDK versions prior to 4.2.1, update to a version that includes the fix for the buffer clearing issue in the sli crypto transparent aead encrypt tag function. As a temporary workaround, consider implementing additional memory clearing measures after using the sli crypto transparent aead encrypt tag function to minimize the risk of key material exposure.

Fix

Weakness Enumeration

CWE-14

Related Identifiers

CVE-2023-32096

Affected Products

Silicon Labs Gecko Platform Sdk

References · 5

• https://github.com/SiliconLabs/gecko_sdk · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-32096 · Security Note
• https://osv.dev/vulnerability/CVE-2023-32096 · Vendor Advisory
• https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U19lGQAR?operationContext=S1 · Vendor Advisory
• https://t.me/cibsecurity/64422 · Telegram Post