CVE-2023-24023

kernel: Bluetooth Forward and Future Secrecy Attacks and Defenses

Severity Score

6.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4 allow certain man-in-the-middle attacks that force a short key length, and might lead to discovery of the encryption key and live injection, aka BLUFFS.

Los dispositivos Bluetooth BR/EDR con emparejamiento simple seguro y emparejamiento de conexiones seguras en las especificaciones principales de Bluetooth 4.2 a 5.4 permiten ciertos ataques de intermediario que fuerzan una longitud de clave corta y pueden llevar al descubrimiento de la clave de cifrado y a la inyección en vivo, también conocido como BLUFFS.

A flaw was found in Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4. This issue may allow certain man-in-the-middle attacks that force a short key length and might lead to discovery of the encryption key and live injection, aka BLUFFS.

*Credits: N/A

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-01-20 CVE Reserved
2023-11-28 CVE Published
2024-08-02 CVE Updated
2024-08-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-300: Channel Accessible by Non-Endpoint

CAPEC

References (4)

URL	Tag	Source
https://dl.acm.org/doi/10.1145/3576915.3623066	Technical Description

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/bluffs-vulnerability	2024-04-01
https://access.redhat.com/security/cve/CVE-2023-24023	2024-05-22
https://bugzilla.redhat.com/show_bug.cgi?id=2254961	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Bluetooth Search vendor "Bluetooth"		Bluetooth Core Specification Search vendor "Bluetooth" for product "Bluetooth Core Specification"				>= 4.2 <= 5.4 Search vendor "Bluetooth" for product "Bluetooth Core Specification" and version " >= 4.2 <= 5.4"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809"				< 10.0.17763.5122 Search vendor "Microsoft" for product "Windows 10 1809" and version " < 10.0.17763.5122"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 21h2 Search vendor "Microsoft" for product "Windows 10 21h2"				< 10.0.19043.3693 Search vendor "Microsoft" for product "Windows 10 21h2" and version " < 10.0.19043.3693"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 22h2 Search vendor "Microsoft" for product "Windows 10 22h2"				< 10.0.19045.3693 Search vendor "Microsoft" for product "Windows 10 22h2" and version " < 10.0.19045.3693"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 21h2 Search vendor "Microsoft" for product "Windows 11 21h2"				< 10.0.22000.2600 Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.2600"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 22h2 Search vendor "Microsoft" for product "Windows 11 22h2"				< 10.0.22621.2715 Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.2715"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 23h2 Search vendor "Microsoft" for product "Windows 11 23h2"				< 10.0.22631.2715 Search vendor "Microsoft" for product "Windows 11 23h2" and version " < 10.0.22631.2715"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				< 10.0.17763.5122 Search vendor "Microsoft" for product "Windows Server 2019" and version " < 10.0.17763.5122"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 Search vendor "Microsoft" for product "Windows Server 2022"				< 10.0.20348.2113 Search vendor "Microsoft" for product "Windows Server 2022" and version " < 10.0.20348.2113"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 23h2 Search vendor "Microsoft" for product "Windows Server 2022 23h2"				< 10.0.25398.531 Search vendor "Microsoft" for product "Windows Server 2022 23h2" and version " < 10.0.25398.531"		-		Affected