CVE-2024-5256— Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability
Quick assessment
Affected
Sonos Era 100
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Sonos是美国Sonos公司的一个终极无线家庭音响系统。 Sonos Era 100存在安全漏洞，该漏洞源于缺乏对用户提供的数据的适当验证，从而导致在从内存读取之前出现整数下溢。
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I. Basic Information for CVE-2024-5256
Vulnerability Information
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Vulnerability Title
Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information 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 proper validation of user-supplied data, which can result in an integer underflow 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-22336.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
Sonos 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonos是美国Sonos公司的一个终极无线家庭音响系统。 Sonos Era 100存在安全漏洞，该漏洞源于缺乏对用户提供的数据的适当验证，从而导致在从内存读取之前出现整数下溢。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-5256
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Vendor Advisories for CVE-2024-5256 (1)
-
ZDI-24-542 | Zero Day Initiative x_research-advisory
Same Patch Batch · Sonos · 2024-06-06 · 4 CVEs total
| CVE-2024-5269 | Sonos Era 100 SMB2 Message Handling Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2024-5268 | Sonos Era 100 SMB2 Message Handling Out-Of-Bounds Read Information Disclosure Vulnerabilit | |
| CVE-2024-5267 | Sonos Era 100 SMB2 Message Handling Out-Of-Bounds Write Remote Code Execution Vulnerabilit |
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V. Comments for CVE-2024-5256
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