Silabs GSDK up to 4.4.0 on ARM covert timing channel

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Silabs GSDK up to 4.4.0 on ARM. This impacts an unknown function. The manipulation results in covert timing channel. This vulnerability is identified as CVE-2023-41097. An attack on the physical device is feasible. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Silabs GSDK up to 4.4.0 on ARM. Affected is some unknown functionality. The manipulation with an unknown input leads to a covert timing channel vulnerability. CWE is classifying the issue as CWE-385. Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information. This is going to have an impact on confidentiality. CVE summarizes:

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

The weakness was released 12/22/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-41097 since 08/23/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.4.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (Silicon Labs): 🔍

CVSSv2info

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

Exploitinginfo

Class: Covert timing channel
CWE: CWE-385
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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: GSDK 4.4.0

Timelineinfo

08/23/2023 🔍
12/21/2023 +120 days 🔍
12/22/2023 +0 days 🔍
09/25/2024 +278 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-41097 (🔍)
GCVE (CVE): GCVE-0-2023-41097
GCVE (VulDB): GCVE-100-248796

Entryinfo

Created: 12/22/2023 00:34
Updated: 09/25/2024 20:02
Changes: 12/22/2023 00:34 (50), 01/14/2024 16:49 (11), 09/25/2024 20:02 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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