CVE-2023-41097— Potential Timing vulnerability in CBC PKCS7 padding calculations
Quick assessment
Affected
silabs.com GSDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Silicon Labs Gecko SDK（GSDK）是Silicon Labs开源的一个库。将 Silicon Labs 无线软件开发工具包（SDK）和 Gecko 平台结合为一个集成的软件包。 Silicon Labs Gecko SDK 4.4.0及之前版本存在安全漏洞，该漏洞源于允许攻击者对CBC PKCS7进行Oracle加密攻击。
Possible ATT&CK Techniques 2 AI
T1557 · Adversary-in-the-Middle T1557.001 · Name Resolution Poisoning and SMB Relay
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I. Basic Information for CVE-2023-41097
Vulnerability Information
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Vulnerability Title
Potential Timing vulnerability in CBC PKCS7 padding calculations
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs Gecko SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs Gecko SDK（GSDK）是Silicon Labs开源的一个库。将 Silicon Labs 无线软件开发工具包（SDK）和 Gecko 平台结合为一个集成的软件包。 Silicon Labs Gecko SDK 4.4.0及之前版本存在安全漏洞，该漏洞源于允许攻击者对CBC PKCS7进行Oracle加密攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| silabs.com | GSDK | 0 ~ 4.4.0 | - |
|
II. Public POCs for CVE-2023-41097
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2023-41097
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