PT-2023-19793 · Silicon · Gecko Platform Sdk

Published 2023-05-18 · Updated 2023-05-25 · CVE-2023-2481

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 4.2.1 and earlier

Description The issue arises from the compiler removal of buffer clearing in the sli se opaque import key function, leading to key material duplication to RAM. This results in a security concern where sensitive key material is not properly cleared from memory.

Recommendations For Silicon Labs Gecko Platform SDK versions 4.2.1 and earlier, ensure proper buffer clearing mechanisms are implemented to prevent key material duplication to RAM. As a temporary workaround, consider implementing manual buffer clearing after using the sli se opaque import key function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-14

Related Identifiers

CVE-2023-2481

Affected Products

Gecko Platform Sdk

References · 5

• https://github.com/SiliconLabs/gecko_sdk · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-2481 · Security Note
• https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U19lGQAR?operationContext=S1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-2481 · Vendor Advisory
• https://t.me/cibsecurity/64424 · Telegram Post