zephyrproject-rtos Zephyr up to 3.6 BT rfcomm_handle_data net_buf heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in zephyrproject-rtos Zephyr up to 3.6. The affected element is the function rfcomm_handle_data of the component BT. Executing a manipulation of the argument net_buf can lead to heap-based overflow. This vulnerability is tracked as CVE-2024-6258. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability has been found in zephyrproject-rtos Zephyr up to 3.6 and classified as critical. This vulnerability affects the function rfcomm_handle_data of the component BT. The manipulation of the argument net_buf with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-6258 since 06/21/2024. The exploitation appears to be easy. Access to the local network is required for this attack. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/17/2025).

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-2024-47380). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (zephyr): 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2024 🔍
09/14/2024 +85 days 🔍
09/14/2024 +0 days 🔍
09/17/2025 +368 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-7833-fcpm-3ggm
Status: Confirmed

CVE: CVE-2024-6258 (🔍)
GCVE (CVE): GCVE-0-2024-6258
GCVE (VulDB): GCVE-100-277492
EUVD: 🔍

Entryinfo

Created: 09/14/2024 07:26
Updated: 09/17/2025 09:02
Changes: 09/14/2024 07:26 (65), 09/17/2025 08:27 (12), 09/17/2025 09:02 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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