Cypress Bluetooth Mesh SDK BSA0107_05.01.00-BX8-AMESH-08 pb_transport_handle_frag_ 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, which was classified as critical, has been found in Cypress Bluetooth Mesh SDK BSA0107_05.01.00-BX8-AMESH-08. This affects the function pb_transport_handle_frag_. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2022-31363. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Cypress Bluetooth Mesh SDK BSA0107_05.01.00-BX8-AMESH-08. Affected by this vulnerability is the function pb_transport_handle_frag_. 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 summary by CVE is:

Cypress : https://www.infineon.com/ Cypress Bluetooth Mesh SDK BSA0107_05.01.00-BX8-AMESH-08 is affected by: Buffer Overflow. The impact is: execute arbitrary code (remote). The component is: affected function is pb_transport_handle_frag_. ¶¶ In Cypress Bluetooth Mesh SDK, there is an out-of-bound write vulnerability that can be triggered during mesh provisioning. Because there is no check for mismatched SegN and TotalLength in Transaction Start PDU.

The weakness was disclosed 02/02/2023. The advisory is shared at docs.google.com. This vulnerability is known as CVE-2022-31363 since 05/23/2022. Technical details are known, but no exploit is 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

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

05/23/2022 🔍
02/02/2023 +255 days 🔍
02/02/2023 +0 days 🔍
03/28/2025 +784 days 🔍

Sourcesinfo

Advisory: docs.google.com
Status: Not defined

CNA: MITRE
CVE: CVE-2022-31363 (🔍)

GCVE (CVE): GCVE-0-2022-31363
GCVE (VulDB): GCVE-100-219997

Entryinfo

Created: 02/02/2023 08:19
Updated: 03/28/2025 00:09
Changes: 02/02/2023 08:19 (48), 03/28/2025 00:09 (26)
Complete: 🔍
Cache ID: 216::103

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