VDB-240349 · CVE-2023-4258 · GHSA-m34c-cp63-rwh7

zephyrproject-rtos Zephyr Bluetooth Mesh out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in zephyrproject-rtos Zephyr. Affected is an unknown function of the component Bluetooth Mesh. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2023-4258. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in zephyrproject-rtos Zephyr (Project Management Software) (the affected version is unknown) and classified as problematic. Affected by this vulnerability is an unknown code of the component Bluetooth Mesh. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

In Bluetooth mesh implementation If provisionee has a public key that is sent OOB then during provisioning it can be sent back and will be accepted by provisionee.

The weakness was shared 09/26/2023 as GHSA-m34c-cp63-rwh7. The advisory is shared at github.com. This vulnerability is known as CVE-2023-4258 since 08/08/2023. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Type

Project Management Software

Vendor

zephyrproject-rtos

Name

Zephyr

License

open-source

Website

Product: https://github.com/zephyrproject-rtos/zephyr/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (Zephyr Project): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/08/2023 🔍
09/26/2023 +49 days 🔍
09/26/2023 +0 days 🔍
10/16/2023 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-m34c-cp63-rwh7
Status: Confirmed

CVE: CVE-2023-4258 (🔍)
GCVE (CVE): GCVE-0-2023-4258
GCVE (VulDB): GCVE-100-240349

Entryinfo

Created: 09/26/2023 02:59
Updated: 10/16/2023 11:01
Changes: 09/26/2023 02:59 (48), 10/16/2023 11:01 (12)
Complete: 🔍
Cache ID: 216::103