CVE-2024-5269 Sonos Era 100 SMB2 Message Handling Use-After-Free Remote Code Execution Vulnerability

High 8.8 Published 6 Jun 2024 Updated 1 Aug 2024

Network-adjacent attackers can execute arbitrary code as root on Sonos Era 100 speakers via a use-after-free flaw in SMB2 message handling.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-5269?

CVE-2024-5269 is a high-severity use after free vulnerability in Sonos Era 100, published on 6 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Sonos Era 100 SMB2 Message Handling Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos Era 100 smart speakers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of SMB2 messages. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22459.

Weakness: CWE-416

Which versions are affected by CVE-2024-5269?

It affects 1 product.

Products include Sonos Era 100 Firmware.

How do I fix CVE-2024-5269?

No fix has been published for CVE-2024-5269 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-5269 being exploited?

There is no known exploitation of CVE-2024-5269 in the wild and no public exploit code.

Sources

Also known as GHSA-42jx-j5mh-g84j.