CVE-2023-27354

Sonos One Speaker libsmb2 Integer Overflow Information Disclosure Vulnerability

Severity Score

6.5

*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 disclose sensitive information 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 proper validation of user-supplied data, which can result in an integer overflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19727.

This vulnerability allows network-adjacent attackers to disclose sensitive information 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 proper validation of user-supplied data, which can result in an integer overflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

* 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
2024-05-22 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (1)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-23-446	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