Remote code execution in BlueZ

1) Code Injection

EUVDB-ID: #VU23108

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-7837

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the parse_line() function used in some userland utilities. A remote attacker with physical proximity to the system can send a specially crafted data to the application and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BlueZ: 5.0 - 5.41

CPE2.3

• cpe:2.3:a:bluez.org:bluez:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:bluez.org:bluez:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:bluez.org:bluez:5.2:*:*:*:*:*:*:*

External links

https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=8514068150759c1d6a46d4605d2351babfde1601
https://jvn.jp/en/jp/JVN38755305/index.html

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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