CVE-2023-27352

Sonos One Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker 70.3-35220. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the SMB directory query command. 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-19845.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the processing of the SMB directory query command. 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.

*Credits: Toan (suto) Pham and Tri Dang from Qrious Secure

CVSS Scores

NISTv3.1 8.8

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-02-28 CVE Reserved
2023-04-14 CVE Published
2024-08-02 CVE Updated
2024-09-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (1)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-23-447	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sonos Search vendor "Sonos"	One Firmware Search vendor "Sonos" for product "One Firmware"	70.3-35220 Search vendor "Sonos" for product "One Firmware" and version "70.3-35220"	-	Affected	in	Sonos Search vendor "Sonos"	One Search vendor "Sonos" for product "One"	-	-	Safe
Sonos Search vendor "Sonos"		S1 Search vendor "Sonos" for product "S1"				< 11.7.1 Search vendor "Sonos" for product "S1" and version " < 11.7.1"		-		Affected
Sonos Search vendor "Sonos"		S2 Search vendor "Sonos" for product "S2"				< 15.1 Search vendor "Sonos" for product "S2" and version " < 15.1"		-		Affected