CVE-2024-22473: Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices

Published Feb 21, 2024
·
Updated

TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.

Affected Software

2 affected components
Silabs Gecko Software Development Kit<=4.4.0
Silabs Gecko SDK<=4.4.0

Event History

Feb 21, 2024
CVE Published
via MITRE·06:13 PM
Data Sourced
via MITRE·06:13 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
May 26, 57089
Event
via NVD·07:02 AM
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Frequently Asked Questions

1

What is the vulnerability CVE-2024-22473?

CVE-2024-22473 is a defect in the ECDSA signing driver on Virtual Secure Vault devices that allows signature spoofing due to the use of TRNG before initialization.

2

What is the severity of CVE-2024-22473?

The severity of CVE-2024-22473 is critical, as it can potentially allow an attacker to recreate keys and spoof signatures.

3

How do I fix CVE-2024-22473?

To fix CVE-2024-22473, update the Gecko SDK to version 4.4.1 or later, where this issue is addressed.

4

Which software versions are affected by CVE-2024-22473?

CVE-2024-22473 affects Silicon Labs Gecko SDK versions up to and including 4.4.0.

5

What potential impact does CVE-2024-22473 have on my systems?

The potential impact of CVE-2024-22473 includes the possibility of unauthorized signature generation, resulting in compromised security of applications relying on ECDSA.

Contact

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