PT-2023-13033 · Cypress · Cypress Bluetooth Mesh Sdk

Published 2023-02-01 · Updated 2023-02-09 · CVE-2022-31364

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cypress Bluetooth Mesh SDK version BSA0107 05.01.00-BX8-AMESH-08

Description The issue is related to a buffer overflow that can allow the execution of arbitrary code remotely. It is caused by an out-of-bound write vulnerability in the lower transport layer on seg function. This vulnerability can be triggered by sending a series of segmented packets with inconsistent SegN.

Recommendations For Cypress Bluetooth Mesh SDK version BSA0107 05.01.00-BX8-AMESH-08, as a temporary workaround, consider disabling the lower transport layer on seg function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-31364

Affected Products

Cypress Bluetooth Mesh Sdk

References · 5

• 🔥 https://docs.google.com/document/d/1tCJg1uBYtfx4SNvewWPNXd7PB6Z__iiG/edit · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-31364 · Security Note
• https://osv.dev/vulnerability/CVE-2022-31364 · Vendor Advisory
• https://t.me/cvenotify/43379 · Telegram Post
• https://t.me/cibsecurity/57364 · Telegram Post