UBUNTU-CVE-2021-34148
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-34148
Summary:
Details: The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.
References: https://ubuntu.com/security/CVE-2021-34148, https://github.com/RPi-Distro/bluez-firmware/commit/31ad68831357d2019624004f1f0846475671088f, https://www.cve.org/CVERecord?id=CVE-2021-34148
Affected packages
Package
Name: bluez-firmware
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=jammy
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1.2-7
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
