CVE-2018-3892 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the time syncing feature of Yi Home Camera 27US 1.8.7.0D, allowing for a firmware downgrade attack that can lead to code execution through a buffer overflow.

Understanding CVE-2018-3892

This CVE involves a critical vulnerability in the Yi Home Camera 27US 1.8.7.0D that enables attackers to execute malicious code by downgrading the firmware.

What is CVE-2018-3892?

CVE-2018-3892 is a stack-based buffer overflow vulnerability in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D.

The Impact of CVE-2018-3892

The vulnerability has a CVSS base score of 9.6, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2018-3892

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows for a firmware downgrade attack on Yi Home Camera 27US 1.8.7.0D, leading to a buffer overflow that can be exploited for code execution.

Affected Systems and Versions

Product: Yi Technology
Version: Yi Technology Home Camera 27US 1.8.7.0D

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
User Interaction: None
Scope: Changed
Exploitation involves intercepting and modifying network traffic to trigger the buffer overflow.

Mitigation and Prevention

To address CVE-2018-3892, follow these mitigation strategies:

Immediate Steps to Take

Update the firmware of Yi Home Camera 27US to the latest version.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by Yi Technology to fix the vulnerability and enhance system security.