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GLSA-202011-01 : BlueZ: Arbitrary code execution

high Nessus Plugin ID 142325

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202011-01 (BlueZ: Arbitrary code execution)

 It was discovered that there was a double-free vulnerability in Bluez after the service discovery which occurs after a Bluetoth Low Energy (BLE) connection has been established to a device.
 Impact :

 A remote attacker, by enticing a user to connect to a malicious GATT server or device, could cause the execution of arbitrary code with the privileges of the user running gatttool client or cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All BlueZ users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-wireless/bluez-5.55'

See Also

https://security.gentoo.org/glsa/202011-01

Plugin Details

Severity: High

ID: 142325

File Name: gentoo_GLSA-202011-01.nasl

Version: 1.3

Type: local

Published: 11/3/2020

Updated: 2/12/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-27153

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bluez, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2020

Vulnerability Publication Date: 10/15/2020

Reference Information

CVE: CVE-2020-27153

GLSA: 202011-01