Vulnerability Description
The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and earlier. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Silabs | Z\/Ip Gateway Sdk | <= 7.18.03 |
Related Weaknesses (CWE)
References
- https://github.com/SiliconLabs/gecko_sdkThird Party Advisory
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0Permissions Required
- https://github.com/SiliconLabs/gecko_sdkThird Party Advisory
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0Permissions Required
FAQ
What is CVE-2023-4489?
CVE-2023-4489 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and earlier. This makes the first S0 key generated at startup...
How severe is CVE-2023-4489?
CVE-2023-4489 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4489?
Check the references section above for vendor advisories and patch information. Affected products include: Silabs Z\/Ip Gateway Sdk.