* bluez: failure in disabling Bluetooth discoverability in certain cases may lead to the unauthorized pairing of Bluetooth devices

Chris Marchesi discovered that BlueZ incorrectly handled disabling Bluetooth visibility. A remote attacker could possibly pair to devices, contrary to expectations. This update adds a workaround to GNOME Bluetooth to fix the issue.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-1101 advisory.

  - A bug in Bluez may allow for the Bluetooth Discoverable state being set to on when no Bluetooth agent is     registered with the system. This situation could lead to the unauthorized pairing of certain Bluetooth     devices without any form of authentication. Versions before bluez 5.51 are vulnerable. (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has bluez packages installed that are affected by multiple vulnerabilities:

  - A bug in Bluez may allow for the Bluetooth Discoverable state being set to on when no Bluetooth agent is     registered with the system. This situation could lead to the unauthorized pairing of certain Bluetooth     devices without any form of authentication. Versions before bluez 5.51 are vulnerable. (CVE-2018-10910)

  - Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to     potentially enable escalation of privilege and denial of service via adjacent access (CVE-2020-0556)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has bluez packages installed that are affected by multiple vulnerabilities:

  - A bug in Bluez may allow for the Bluetooth Discoverable state being set to on when no Bluetooth agent is     registered with the system. This situation could lead to the unauthorized pairing of certain Bluetooth     devices without any form of authentication. Versions before bluez 5.51 are vulnerable. (CVE-2018-10910)

  - Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to     potentially enable escalation of privilege and denial of service via adjacent access (CVE-2020-0556)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1101 advisory.

  - bluez: failure in disabling Bluetooth discoverability in     certain cases may lead to the unauthorized pairing of     Bluetooth devices (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-1912 advisory.

  - A bug in Bluez may allow for the Bluetooth Discoverable state being set to on when no Bluetooth agent is     registered with the system. This situation could lead to the unauthorized pairing of certain Bluetooth     devices without any form of authentication. Versions before bluez 5.51 are vulnerable. (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:1912 advisory.

  - bluez: failure in disabling Bluetooth discoverability in certain cases may lead to the unauthorized     pairing of Bluetooth devices (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1912 advisory.

  - bluez: failure in disabling Bluetooth discoverability in certain cases may lead to the unauthorized     pairing of Bluetooth devices (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1101 advisory.

  - bluez: failure in disabling Bluetooth discoverability in certain cases may lead to the unauthorized     pairing of Bluetooth devices (CVE-2018-10910)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
135802	Scientific Linux Security Update : bluez on SL7.x x86_64 (20200407)	Nessus	Scientific Linux Local Security Checks	4/21/2020	3/15/2024	low
121186	Ubuntu 18.04 LTS : GNOME Bluetooth vulnerability (USN-3856-1)	Nessus	Ubuntu Local Security Checks	1/15/2019	10/21/2023	low
180651	Oracle Linux 7 : bluez (ELSA-2020-1101)	Nessus	Oracle Linux Local Security Checks	9/7/2023	9/7/2023	low
154554	NewStart CGSL CORE 5.05 / MAIN 5.05 : bluez Multiple Vulnerabilities (NS-SA-2021-0162)	Nessus	NewStart CGSL Local Security Checks	10/27/2021	11/27/2023	high
147269	NewStart CGSL CORE 5.04 / MAIN 5.04 : bluez Multiple Vulnerabilities (NS-SA-2021-0038)	Nessus	NewStart CGSL Local Security Checks	3/10/2021	1/16/2024	high
135337	CentOS 7 : bluez (CESA-2020:1101)	Nessus	CentOS Local Security Checks	4/10/2020	3/19/2024	low
180972	Oracle Linux 8 : bluez (ELSA-2020-1912)	Nessus	Oracle Linux Local Security Checks	9/7/2023	9/7/2023	low
145946	CentOS 8 : bluez (CESA-2020:1912)	Nessus	CentOS Local Security Checks	2/1/2021	1/24/2024	low
136060	RHEL 8 : bluez (RHSA-2020:1912)	Nessus	Red Hat Local Security Checks	4/28/2020	4/27/2024	low
135034	RHEL 7 : bluez (RHSA-2020:1101)	Nessus	Red Hat Local Security Checks	3/31/2020	4/28/2024	low

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