CVE-2022-28377 : Vulnerability Insights and Analysis

Verizon 5G Home LVSKIHP InDoorUnit (IDU) and OutDoorUnit (ODU) devices are affected by a security vulnerability where the CRTC and ODU RPC endpoints rely on a static account username/password for access control.

Understanding CVE-2022-28377

This CVE affects Verizon 5G Home LVSKIHP InDoorUnit (IDU) and OutDoorUnit (ODU) devices, potentially exposing them to unauthorized access.

What is CVE-2022-28377?

The vulnerability in the devices allows an attacker to generate a password via a binary in the firmware after obtaining the MAC address of the IDU's base Ethernet interface.

The Impact of CVE-2022-28377

The static account credentials used for access control make it easier for malicious actors to gain unauthorized access to the affected devices, compromising their security and data.

Technical Details of CVE-2022-28377

Vulnerability Description

The issue lies in the reliance on a static account username/password for access control in the CRTC and ODU RPC endpoints of the devices.

Affected Systems and Versions

Verizon 5G Home LVSKIHP InDoorUnit (IDU) version 3.4.66.162 and OutDoorUnit (ODU) version 3.33.101.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by generating a password using a binary in the firmware and manipulating the device's environment.

Mitigation and Prevention

Immediate Steps to Take

It is recommended to change the default credentials and implement strong, unique passwords for access control on the affected devices.

Long-Term Security Practices

Regularly update the firmware of the devices, monitor for any unauthorized access attempts, and restrict network access to trusted entities only.

Patching and Updates

Verizon should release patches addressing this vulnerability to enhance the security of the affected devices.