SB2022081210 - Multiple vulnerabilities in Intel Wireless Bluetooth and Killer Bluetooth

Description

This security bulletin contains information about 4 vulnerabilities.

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

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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