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.
Published 2023-12-21 21:15:08
Updated 2024-09-25 17:15:14
Source Silicon Labs
View at NVD,   CVE.org

Products affected by CVE-2023-41097

Exploit prediction scoring system (EPSS) score for CVE-2023-41097

0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-41097

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST 2024-01-03
4.6
MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.9
3.6
Silicon Labs

CWE ids for CVE-2023-41097

  • The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: nvd@nist.gov (Primary)
  • Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: product-security@silabs.com (Secondary)
  • The product uses a broken or risky cryptographic algorithm or protocol.
    Assigned by: product-security@silabs.com (Secondary)
  • Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information.
    Assigned by: product-security@silabs.com (Secondary)

References for CVE-2023-41097

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