CVE-2024-5256

Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure 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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.08%
Third-Party Advisory zerodayinitiative.com
Affected: Sonos Era 100
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-24-542/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2024-5256?
CVE-2024-5256 has been scored as a medium severity vulnerability.
How to fix CVE-2024-5256?
To fix CVE-2024-5256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-5256 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-5256 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-5256?
CVE-2024-5256 affects Sonos Era 100.
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