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Gentoo Linux Security Advisory GLSA 202003-49
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https://security.gentoo.org/
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Severity: High
Title: BlueZ: Security bypass
Date: March 25, 2020
Bugs: #712292
ID: 202003-49
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Synopsis
========
A vulnerability in BlueZ might allow remote attackers to bypass
security restrictions.
Background
==========
Set of tools to manage Bluetooth devices for Linux.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-wireless/bluez < 5.54 >= 5.54
Description
===========
It was discovered that the HID and HOGP profiles implementations in
BlueZ did not specifically require bonding between the device and the
host.
Impact
======
A remote attacker with adjacent access could impersonate an existing
HID device, cause a Denial of Service condition or escalate privileges.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All BlueZ users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-wireless/bluez-5.54”
References
==========
[ 1 ] CVE-2020-0556
https://nvd.nist.gov/vuln/detail/CVE-2020-0556
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202003-49
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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