CVE-2023-41097: Potential Timing vulnerability in CBC PKCS7 padding calculations

Published Dec 21, 2023
·
Updated

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 Software

1 affected component
Silabs Gecko Software Development Kit<=4.4.0

Event History

Dec 21, 2023
CVE Published
08:33 PM
Data Sourced
08:33 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2023-41097?

CVE-2023-41097 is categorized as a potential medium severity vulnerability due to its covert timing channel that could enable a Padding Oracle attack.

2

How do I fix CVE-2023-41097?

To mitigate CVE-2023-41097, it is recommended to upgrade to a version of the Gecko Software Development Kit greater than 4.4.0.

3

What types of attacks does CVE-2023-41097 enable?

CVE-2023-41097 enables a Padding Oracle Crypto Attack, specifically on CBC PKCS7, through observable timing discrepancies.

4

Which software versions are affected by CVE-2023-41097?

CVE-2023-41097 affects all versions of the Silicon Labs Gecko Software Development Kit up to and including 4.4.0.

5

Where can I find more information about CVE-2023-41097?

More information regarding CVE-2023-41097 can typically be found in the official release notes from Silicon Labs.

Contact

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