PT-2020-14483 · Silicon · Efr32+1

Published 2020-08-19 · Updated 2020-08-24 · CVE-2020-15532

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Silicon Labs Bluetooth Low Energy SDK versions prior to 2.13.3

Description The issue is related to a buffer overflow that can be triggered via packet data, leading to an over-the-air denial of service in Bluetooth Low Energy. This affects EFR32 SoCs and associated modules that run the Bluetooth SDK and support Central or Observer roles.

Recommendations For versions prior to 2.13.3, update to version 2.13.3 or later to resolve the issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-15532

Affected Products

Efr32

Silicon Labs Bluetooth Low Energy Sdk

References · 5

• 🔥 https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_dos.py · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-15532 · Security Note
• https://osv.dev/vulnerability/CVE-2020-15532 · Vendor Advisory
• https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs · Note
• https://blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655 · Note