Gentoo: GLSA 202003-49 High: BlueZ Security Bypass Threat
gentoo
March 25, 2020
A vulnerability in BlueZ might allow remote attackers to bypass security restrictions.
Summary
It was discovered that the HID and HOGP profiles implementations in BlueZ did not specifically require bonding between the device and the host.
Topics Covered
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
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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.
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Severity: High
Title: BlueZ: Security bypass
Date: March 25, 2020
Bugs: #712292
ID: 202003-49
Topics Covered
Background
Set of tools to manage Bluetooth devices for Linux.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 net-wireless/bluez < 5.54 >= 5.54
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.
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