SB2022111142 - openEuler 22.03 LTS update for bluez

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2021-43400)

CWE-ID: CWE-416 - Use After Free

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

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in gatt-database.c on a gatt server if a client disconnects while a WriteValue call is being processed with D-Bus. An attacker with physical proximity to the system can trigger a use-after-free error and potentially execute arbitrary code.

2) Improper access control (CVE-ID: CVE-2021-0129)

CWE-ID: CWE-284 - Improper Access Control

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

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote authenticated attacker on the local network can bypass implemented security restrictions and enable information disclosure

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2047