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Debian 8: DLA-2240-1 Critical: BlueZ HID Connection Exploit

debian lts
Calendar Grey June 9, 2020
Dist Debian Esm H88
Update the bluez package on Debian 8 to address vulnerabilities related to device connectivity. Safeguard against unauthorized access.
It was reported that the BlueZ's HID and HOGP profile implementations don't specifically require bonding between the device and the host
Topics%20covered

Topics Covered

security advisory Debian malicious access bluez HID HOGP device connection

Summary

For the HID profile an new configuration option (ClassicBondedOnly) is
introduced to make sure that input connections only come from bonded
device connections. The options defaults to 'false' to maximize device
compatibility.

Note that as a result of the significant changes between the previous
version in Jessie (based on upstream release 5.23) and the available
patches to address this vulnerability, it was decided that a backport of
the bluez package from Debian 9 "Stretch" was the only viable way to
address the referenced vulnerability.

For Debian 8 "Jessie", this problem has been fixed in version
5.43-2+deb9u2~deb8u1.

We recommend that you upgrade your bluez packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: bluez
Version: 5.43-2+deb9u2~deb8u1
CVE ID: CVE-2020-0556
Debian Bug: 953770

Topics%20covered

Topics Covered

security advisory Debian malicious access bluez HID HOGP device connection

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