Code Injection in BlueZ - CVE-2016-7837
Published: December 2, 2019
Vulnerability identifier: #VU23108
CSH Severity: Low
CVSS v4: 5.4 [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]
CVE-ID: CVE-2016-7837
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
BlueZ
bluez (Ubuntu package)
bluez (Ubuntu package)
How to mitigate CVE-2016-7837
Install update from vendor's website.
BlueZ - update to 5.42
bluez (Ubuntu package) - addressed in versions 5.37-0ubuntu5.3, 5.48-0ubuntu3.4, 5.50-0ubuntu5.1
bluez (Ubuntu package) - addressed in versions 5.37-0ubuntu5.3, 5.48-0ubuntu3.4, 5.50-0ubuntu5.1