zephyrproject-rtos Zephyr up to 3.4 Bluetooth Subsystem hci_core.c buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in zephyrproject-rtos Zephyr up to 3.4. The affected element is an unknown function of the file /subsys/bluetooth/host/hci_core.c of the component Bluetooth Subsystem. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2023-5753. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in zephyrproject-rtos Zephyr up to 3.4 (Project Management Software). This affects some unknown functionality of the file /subsys/bluetooth/host/hci_core.c of the component Bluetooth Subsystem. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c

The weakness was published 10/25/2023 as GHSA-hmpr-px56-rvww. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-5753 since 10/24/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.5 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 6.3
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zephyr 3.5

Timelineinfo

10/24/2023 🔍
10/25/2023 +1 days 🔍
10/25/2023 +0 days 🔍
02/14/2025 +478 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-hmpr-px56-rvww
Status: Confirmed

CVE: CVE-2023-5753 (🔍)
GCVE (CVE): GCVE-0-2023-5753
GCVE (VulDB): GCVE-100-243315

Entryinfo

Created: 10/25/2023 11:45
Updated: 02/14/2025 07:12
Changes: 10/25/2023 11:45 (43), 11/15/2023 23:19 (21), 02/14/2025 07:12 (16)
Complete: 🔍
Cache ID: 216::103

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