CVE-2023-28412 : Vulnerability Insights and Analysis

This CVE was published on May 22, 2023, and relates to vulnerabilities in Snap One's OvrC Cloud product reported by Uri Katz of Claroty to CISA. The vulnerability involves Snap One OvrC Cloud servers revealing device information when provided with a random MAC address.

Understanding CVE-2023-28412

This vulnerability allows attackers to enumerate MAC addresses of devices and obtain sensitive information from the OvrC Cloud servers.

What is CVE-2023-28412?

When a random MAC address is supplied, Snap One OvrC Cloud servers disclose device information, exposing a security flaw that could be exploited by malicious actors.

The Impact of CVE-2023-28412

The vulnerability has a CVSS base score of 5.3, indicating a medium severity level. While the attack complexity is low and requires no user interaction, it could lead to the exposure of confidential information.

Technical Details of CVE-2023-28412

The vulnerability stems from an observable response discrepancy (CWE-204) within Snap One's OvrC Cloud product. The affected version is less than 7.3.

Vulnerability Description

By sending arbitrary MAC addresses, attackers can elicit responses from the OvrC Cloud servers, potentially revealing sensitive device details.

Affected Systems and Versions

The vulnerability affects Snap One's OvrC Cloud product with versions below 7.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by enumerating MAC addresses to extract information from the OvrC Cloud servers.

Mitigation and Prevention

To address CVE-2023-28412, Snap One has provided the following solutions:

Immediate Steps to Take

OvrC Pro v7.2 and v7.3 updates have been automatically pushed out to devices via OvrC Cloud.
Disabling UPnP can help mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Regularly updating software versions and implementing security best practices can help prevent similar vulnerabilities in the future.

Patching and Updates

It is crucial for users to apply the provided updates for OvrC Pro and disable UPnP to safeguard their systems from potential exploitation.