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CVE-2023-4489

Z/IP Gateway Use of Uninitialized PRNG when Generating S0 Encryption Key

Published: Dec 14, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-1279

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

silabs
commercial·USaka z-wave sdk, silicon labs, emberznet, gecko sdk

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

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