zephyrproject-rtos Zephyr Bluetooth Controller le_read_buffer_size_complete improper check or handling of exceptional conditions

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in zephyrproject-rtos Zephyr. The impacted element is the function le_read_buffer_size_complete of the component Bluetooth Controller Handler. Such manipulation leads to improper check or handling of exceptional conditions. This vulnerability is traded as CVE-2023-0397. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability was found in zephyrproject-rtos Zephyr (Project Management Software) (the affected version unknown) and classified as critical. Affected by this issue is the function le_read_buffer_size_complete of the component Bluetooth Controller Handler. The manipulation with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. Using CWE to declare the problem leads to CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. Impacted is availability. CVE summarizes:

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

The weakness was shared 01/19/2023 as GHSA-wc2h-h868-q7hj. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-0397 since 01/19/2023. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-12458). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 9.6
CNA Vector (Zephyr Project): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper check or handling of exceptional conditions
CWE: CWE-703
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2023 🔍
01/19/2023 +0 days 🔍
01/19/2023 +0 days 🔍
07/07/2025 +900 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-wc2h-h868-q7hj
Status: Confirmed

CVE: CVE-2023-0397 (🔍)
GCVE (CVE): GCVE-0-2023-0397
GCVE (VulDB): GCVE-100-218984
EUVD: 🔍

Entryinfo

Created: 01/19/2023 12:33
Updated: 07/07/2025 16:30
Changes: 01/19/2023 12:33 (49), 02/15/2023 12:10 (11), 07/07/2025 16:30 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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