Silabs Ember ZNet SDK up to 7.3.x on 32-bit ARM Software AES-CCM risky encryption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Silabs Ember ZNet SDK up to 7.3.x on 32-bit ARM and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Software AES-CCM. Executing a manipulation can lead to risky encryption. This vulnerability is registered as CVE-2023-51392. The attack needs to be launched locally. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Silabs Ember ZNet SDK up to 7.3.x on 32-bit ARM and classified as problematic. This vulnerability affects an unknown code of the component Software AES-CCM. The manipulation with an unknown input leads to a risky encryption vulnerability. The CWE definition for the vulnerability is CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. As an impact it is known to affect confidentiality. CVE summarizes:

Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accelerators, potentially increasing risk of electromagnetic and differential power analysis sidechannel attacks.

The weakness was published 02/23/2024. The advisory is available at community.silabs.com. This vulnerability was named CVE-2023-51392 since 12/18/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

Upgrading to version 7.4.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.2
CNA Vector (Silicon Labs): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Risky encryption
CWE: CWE-327 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ember ZNet SDK 7.4.0

Timelineinfo

12/18/2023 🔍
02/23/2024 +67 days 🔍
02/23/2024 +0 days 🔍
02/13/2025 +356 days 🔍

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2023-51392 (🔍)
GCVE (CVE): GCVE-0-2023-51392
GCVE (VulDB): GCVE-100-254650

Entryinfo

Created: 02/23/2024 18:37
Updated: 02/13/2025 02:18
Changes: 02/23/2024 18:37 (51), 09/27/2024 19:54 (16), 02/13/2025 02:18 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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