CVE-2020-12447 : Vulnerability Insights and Analysis

A Local File Inclusion (LFI) vulnerability on Onkyo TX-NR585 1000-0000-000-0008-0000 devices allows unauthorized remote users to access sensitive files through directory traversal.

Understanding CVE-2020-12447

This CVE describes a security issue that enables attackers to read critical files on vulnerable Onkyo devices.

What is CVE-2020-12447?

The CVE-2020-12447 vulnerability involves a Local File Inclusion (LFI) flaw on Onkyo TX-NR585 1000-0000-000-0008-0000 devices, permitting unauthenticated remote users to view sensitive files by exploiting directory traversal.

The Impact of CVE-2020-12447

The vulnerability allows attackers to read files like /etc/shadow, potentially leading to unauthorized access and compromise of sensitive information on the affected devices.

Technical Details of CVE-2020-12447

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The LFI issue on Onkyo TX-NR585 1000-0000-000-0008-0000 devices enables remote unauthenticated users to read sensitive files by utilizing directory traversal, as demonstrated by accessing /etc/shadow.

Affected Systems and Versions

Product: Onkyo TX-NR585 1000-0000-000-0008-0000
Vendor: Onkyo
Version: Not applicable

Exploitation Mechanism

Attackers can exploit the vulnerability by using %2e%2e%2f directory traversal to access sensitive files on the network, such as /etc/shadow.

Mitigation and Prevention

Protecting systems from CVE-2020-12447 is crucial to prevent unauthorized access and data breaches.

Immediate Steps to Take

Apply security patches or updates provided by Onkyo to address the LFI vulnerability.
Implement network segmentation to restrict access to sensitive files.
Monitor network traffic for any suspicious activities indicating exploitation attempts.

Long-Term Security Practices

Regularly update and patch all devices and software to mitigate potential vulnerabilities.
Conduct security assessments and penetration testing to identify and address security weaknesses.

Patching and Updates

Ensure timely installation of security patches released by Onkyo to fix the LFI vulnerability on affected devices.