SB2021090610 - Multiple vulnerabilities in Zhuhai Jieli Technology XY-WRBT Module



SB2021090610 - Multiple vulnerabilities in Zhuhai Jieli Technology XY-WRBT Module

Published: September 6, 2021

Security Bulletin ID SB2021090610
Severity
Low
Patch available
NO
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2021-31613)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the Bluetooth Classic implementation does not properly handle the reception of a truncated LMP packet during LMP auto rate procedure. A remote attacker in radio range can pass specially crafted input to the application and perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2021-31611)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the Bluetooth Classic implementation does not properly handle the reception of an out-of-order LMP Setup procedure (c.f., Figure 1) followed by a malformed LMP packet. A remote attacker in radio range can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.