CVE-2023-41097

Potential Timing vulnerability in CBC PKCS7 padding calculations

State: Published
Severity: 4.6 Medium
Published: Dec 21, 2023
Updated: Apr 23, 2025
Reserved: Aug 23, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	4.6 Medium	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Silabs

Weaknesses

CWE-208 Observable Timing Discrepancy
CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Affected Products

Product	Versions
GSDKsilabs.com	before 4.4.0Affected

References

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1vendor-advisory
https://github.com/SiliconLabs/gecko_sdk/releasespatch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.