SB20221115113 - SUSE update for bluez

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Main Vulnerability Database SB20221115113

SB20221115113 - SUSE update for bluez

Published: November 15, 2022

Security Bulletin ID SB20221115113
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Physical access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect authorization (CVE-ID: CVE-2021-3658)

CWE-ID: CWE-863 - Incorrect Authorization

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


The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to bluetoothd incorrectly saves the adapters' discoverable status when a device is powered down, and restores it when powered up. An attacker with physical proximity to device can gain access to sensitive information.


2) 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.


Remediation

Install update from vendor's website.

References