zephyrproject-rtos zephyr up to 3.2 Bluetooth HCI buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in zephyrproject-rtos zephyr up to 3.2. The impacted element is an unknown function of the component Bluetooth HCI. Executing a manipulation can lead to buffer overflow. This vulnerability is tracked as CVE-2023-0396. No exploit exists.
Details
A vulnerability was found in zephyrproject-rtos zephyr up to 3.2 (Project Management Software). It has been declared as critical. This vulnerability affects an unknown part of the component Bluetooth HCI. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 01/25/2023. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-0396. There are neither technical details nor an exploit publicly 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-2023-12457). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Partially
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/19/2023 🔍01/25/2023 🔍
01/25/2023 🔍
07/07/2025 🔍
Sources
Product: github.comAdvisory: GHSA-8rpp-6vxq-pqg3
Status: Confirmed
CVE: CVE-2023-0396 (🔍)
GCVE (CVE): GCVE-0-2023-0396
GCVE (VulDB): GCVE-100-219292
EUVD: 🔍
Entry
Created: 01/25/2023 20:06Updated: 07/07/2025 16:30
Changes: 01/25/2023 20:06 (37), 02/19/2023 10:31 (3), 04/04/2025 07:39 (27), 07/07/2025 16:30 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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