NetSight
medium6.4

CVE-2023-4489

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.

Impact

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.

Affected products

VendorProductAffected versions
SilabsZ\/Ip Gateway Sdk
through 7.18.03

Weakness classification

References