It was discovered that there was a double-free vulnerability in bluez, a suite of Bluetooth tools, utilities and daemons.

For Debian 9 'Stretch', this problem has been fixed in version 5.43-2+deb9u3.

We recommend that you upgrade your bluez packages.

For the detailed security status of bluez please refer to its security tracker page at: https://security-tracker.debian.org/tracker/bluez

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

An update of the bluez package has been released.

According to the version of the bluez package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - In BlueZ before 5.55, a double free was found in the     gatttool disconnect_cb() routine from shared/att.c. A     remote attacker could potentially cause a denial of     service or code execution, during service discovery,     due to a redundant disconnect MGMT     event.(CVE-2020-27153)

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

This update for bluez fixes the following issues :

  - CVE-2020-27153: Fixed possible crash on disconnect     (bsc#1177895).

This update was imported from the SUSE:SLE-15:Update update project.

This update for bluez fixes the following issues :

CVE-2020-27153: Fixed crash on disconnect (bsc#1177895).

CVE-2020-0556: Fixed potential escalation of privilege and denial of service via adjacent access, caused by improper access control (bsc#1166751).

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

According to the version of the bluez package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - In BlueZ before 5.55, a double free was found in the     gatttool disconnect_cb() routine from shared/att.c. A     remote attacker could potentially cause a denial of     service or code execution, during service discovery,     due to a redundant disconnect MGMT     event.(CVE-2020-27153)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
141792	Debian DLA-2410-1 : bluez security update	Nessus	Debian Local Security Checks	2020/10/22	2024/2/14	high
142215	Photon OS 3.0: Bluez PHSA-2020-3.0-0158	Nessus	PhotonOS Local Security Checks	2020/11/2	2024/7/22	high
142302	EulerOS 2.0 SP9 : bluez (EulerOS-SA-2020-2425)	Nessus	Huawei Local Security Checks	2020/11/3	2024/2/12	high
142330	EulerOS 2.0 SP9 : bluez (EulerOS-SA-2020-2407)	Nessus	Huawei Local Security Checks	2020/11/3	2024/2/12	high
142852	openSUSE Security Update : bluez (openSUSE-2020-1880)	Nessus	SuSE Local Security Checks	2020/11/12	2020/11/20	high
143656	SUSE SLED15 / SLES15 Security Update : bluez (SUSE-SU-2020:3034-1)	Nessus	SuSE Local Security Checks	2020/12/9	2024/2/6	high
147037	EulerOS Virtualization for ARM 64 3.0.6.0 : bluez (EulerOS-SA-2021-1558)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	high

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