Bestechnic Bluetooth Mesh SDK 1.0 Provisioning buffer overflow

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

Summaryinfo

A vulnerability was found in Bestechnic Bluetooth Mesh SDK 1.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Provisioning Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2022-30904. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability has been found in Bestechnic Bluetooth Mesh SDK 1.0 and classified as critical. This vulnerability affects an unknown code of the component Provisioning Handler. 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. CVE summarizes:

In Bestechnic Bluetooth Mesh SDK (BES2300) V1.0, a buffer overflow vulnerability can be triggered during provisioning, because there is no check for the SegN field of the Transaction Start PDU.

The weakness was published 02/02/2023. The advisory is shared for download at docs.google.com. This vulnerability was named CVE-2022-30904 since 05/16/2022. 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.

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

Productinfo

Vendor

Name

Version

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (MITRE): 🔍

CVSSv2info

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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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/16/2022 🔍
02/02/2023 +262 days 🔍
02/02/2023 +0 days 🔍
03/01/2023 +27 days 🔍

Sourcesinfo

Advisory: docs.google.com
Status: Not defined

CVE: CVE-2022-30904 (🔍)
GCVE (CVE): GCVE-0-2022-30904
GCVE (VulDB): GCVE-100-220000

Entryinfo

Created: 02/02/2023 08:26
Updated: 03/01/2023 15:02
Changes: 02/02/2023 08:26 (49), 03/01/2023 15:02 (11)
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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