CVE-2017-12928 : Security Advisory and Response

CVE-2017-12928, published on September 21, 2017, highlights a vulnerability in TecnoVISION DLX Spot Player4 that allows remote attackers to gain unauthorized access and escalate privileges.

Understanding CVE-2017-12928

What is CVE-2017-12928?

The CVE-2017-12928 vulnerability involves the exploitation of a hardcoded password in TecnoVISION DLX Spot Player4, enabling unauthorized access via SSH and privilege escalation to root.

The Impact of CVE-2017-12928

The vulnerability allows attackers to access the system remotely and potentially gain full control over the affected device.

Technical Details of CVE-2017-12928

Vulnerability Description

Remote attackers can exploit TecnoVISION DLX Spot Player4 using a pre-defined password for the dlxuser account.
The hardcoded password, "tecn0visi0n," allows unauthorized SSH access and privilege escalation to root.

Affected Systems and Versions

Product: TecnoVISION DLX Spot Player4
Vendor: Not applicable
Versions: All known versions

Exploitation Mechanism

Attackers can use the hardcoded password to log in via SSH and then escalate privileges to root using the same credentials.

Mitigation and Prevention

Immediate Steps to Take

Change the default password immediately to prevent unauthorized access.
Implement network segmentation to restrict access to critical systems.

Long-Term Security Practices

Regularly update and patch the software to address security vulnerabilities.
Conduct security audits and penetration testing to identify and remediate weaknesses.

Patching and Updates

Apply patches and updates provided by the vendor to eliminate the hardcoded password vulnerability.