CVE-2024-5269: (Pwn2Own) Sonos Era 100 SMB2 Message Handling Use-After-Free Remote Code Execution Vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Limit network adjacency to Sonos Era 100 smart speakers (e.g., restrict inbound SMB2/related traffic paths so only trusted systems can reach the speakers).
- Compensating control
Use access control on the network to prevent untrusted hosts from sending SMB2 messages to Sonos Era 100 smart speakers.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-5269?
CVE-2024-5269 is classified as a high severity vulnerability allowing remote code execution.
How do I fix CVE-2024-5269?
To mitigate CVE-2024-5269, users should update their Sonos Era 100 firmware to the latest version provided by Sonos.
What impact does CVE-2024-5269 have on Sonos Era 100?
CVE-2024-5269 allows network-adjacent attackers to execute arbitrary code on affected Sonos Era 100 devices.
Is authentication required to exploit CVE-2024-5269?
No, authentication is not required to exploit CVE-2024-5269.
Which version of Sonos Era 100 firmware is affected by CVE-2024-5269?
CVE-2024-5269 affects Sonos Era 100 firmware version 15.9.