// For flags

CVE-2023-27353

Sonos One Speaker msprox Endpoint Out-Of-Bounds Read Information Disclosure Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*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 msprox endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19846.

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 msprox endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

*Credits: Phan Thanh Duy (@PTDuy) & Nguyen Hoang Thach (@hi_im_d4rkn3ss) of STAR Labs SG Pte. Ltd.
CVSS Scores
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-125: Out-of-bounds Read
CAPEC
References (1)
URL Tag Source
https://www.zerodayinitiative.com/advisories/ZDI-23-448 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