Executive Summary

Summary
Title BlueZ vulnerabilities
Informations
Name USN-4311-1 First vendor Publication 2020-03-30
Vendor Ubuntu Last vendor Modification 2020-03-30
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in BlueZ.

Software Description: - bluez: Bluetooth tools and daemons

Details:

It was discovered that BlueZ incorrectly handled bonding HID and HOGP devices. A local attacker could possibly use this issue to impersonate non-bonded devices. (CVE-2020-0556)

It was discovered that BlueZ incorrectly handled certain commands. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7837)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10:
bluez 5.50-0ubuntu5.1
libbluetooth3 5.50-0ubuntu5.1

Ubuntu 18.04 LTS:
bluez 5.48-0ubuntu3.4
libbluetooth3 5.48-0ubuntu3.4

Ubuntu 16.04 LTS:
bluez 5.37-0ubuntu5.3
libbluetooth3 5.37-0ubuntu5.3

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4311-1
CVE-2016-7837, CVE-2020-0556

Package Information:
https://launchpad.net/ubuntu/+source/bluez/5.50-0ubuntu5.1
https://launchpad.net/ubuntu/+source/bluez/5.48-0ubuntu3.4
https://launchpad.net/ubuntu/+source/bluez/5.37-0ubuntu5.3

Original Source

Url : http://www.ubuntu.com/usn/USN-4311-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Os 3
Os 3
Os 2

Nessus® Vulnerability Scanner

Date Description
2017-10-23 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-1176.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2024-11-12 07:02:33
  • First insertion