CVE-2023-41097

MEDIUM

Silabs Gecko Software Development Kit < 4.4.0 - Observable Timing Discrepancy in CBC PKCS7 Padding

Title source: llm

Description

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

References (2)

Core 2

Core References

Permissions Required vendor-advisory

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1

Release Notes patch

https://github.com/SiliconLabs/gecko_sdk/releases

Scores

CVSS v3 4.6

EPSS 0.0030

EPSS Percentile 21.2%

Attack Vector PHYSICAL

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-327 CWE-208 CWE-203

Status published

Products (1)

silabs/gecko_software_development_kit < 4.4.0

Published Dec 21, 2023

Tracked Since Feb 18, 2026