Local denial of service in BlueZ



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3637
CWE-ID CWE-400
Exploitation vector Local
Public exploit N/A
Vulnerable software
 BlueZ
Universal components / Libraries / Libraries used by multiple products

Vendor BlueZ Project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU83409

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3637

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the jlink_init() function in monitor/jlink.c. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BlueZ: 4.0 - 5.64

CPE2.3 External links

http://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=1d6cfb8e625a944010956714c1802bc1e1fc6c4f
http://vuldb.com/?id.211936


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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