Vulnerability · Published Dec 21, 2023 · Assigned by Silabs
CVE-2023-41097Potential Timing vulnerability in CBC PKCS7 padding calculations
Medium 4.6
In plain English
A medium-severity broken cryptography in GSDK from silabs.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.3%top 77.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| silabs.com | GSDK | 0 – before 4.4.0 |
Weakness: CWE-208, CWE-327 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N