SB2022081210 - Multiple vulnerabilities in Intel Wireless Bluetooth and Killer Bluetooth

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2021-33847)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in firmware. A local user can trigger memory corruption and gain elevated privileges on the system.

2) Buffer overflow (CVE-ID: CVE-2021-26257)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in firmware. A local user can trigger memory corruption and cause a denial of service condition on the target system.

3) Out-of-bounds read (CVE-ID: CVE-2021-26950)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in firmware. A local user can trigger out-of-bounds read error and cause a denial of service condition on the system.

4) Out-of-bounds read (CVE-ID: CVE-2021-23179)

The vulnerability allows a local userto gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in firmware. A local administrator can trigger out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html