PT-2023-27783 · Silicon · Silabs Gsdk

Published 2023-12-21 · Updated 2024-09-25 · CVE-2023-41097

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 Silabs GSDK versions through 4.4.0

Description The issue is related to an Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM. This vulnerability potentially allows a Padding Oracle Crypto Attack on CBC PKCS7.

Recommendations For Silabs GSDK versions through 4.4.0, update to a version later than 4.4.0 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-203

CWE-327

CWE-208

Related Identifiers

CVE-2023-41097

Affected Products

Silabs Gsdk

References · 7

• https://github.com/SiliconLabs/gecko_sdk/releases · Patch
• https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-41097 · Security Note
• https://osv.dev/vulnerability/CVE-2023-41097 · Vendor Advisory
• https://t.me/cvenotify/64759 · Telegram Post
• https://t.me/cvenotify/66087 · Telegram Post
• https://t.me/cvenotify/96009 · Telegram Post