CVE-2016-7837 Memory corruption in BlueZ

High 7.8 Published 9 Jun 2017 Updated 6 Aug 2024

An attacker can execute arbitrary code via a buffer overflow in BlueZ userland utilities, affecting Linux systems using this Bluetooth stack.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2016-7837?

CVE-2016-7837 is a high-severity memory corruption vulnerability in BlueZ, published on 9 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in BlueZ 5.41 and earlier allows an attacker to execute arbitrary code via the parse_line function used in some userland utilities.

Weakness: CWE-119

Which versions are affected by CVE-2016-7837?

It affects 1 product.

Products include Bluez Bluez.

How do I fix CVE-2016-7837?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-7837 being exploited?

There is no known exploitation of CVE-2016-7837 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2016-7837, GHSA-rqrx-f2rh-m32q, MGASA-2017-0414, UBUNTU-CVE-2016-7837.