CVE-2019-20385 : What You Need to Know

Logaritmo Aware CallManager 2012 devices are vulnerable to a CSV upload feature that allows the execution of PHP code, posing a security risk.

Understanding CVE-2019-20385

This CVE involves a vulnerability in the CSV upload feature of Logaritmo Aware CallManager 2012 devices.

What is CVE-2019-20385?

The feature in /supervisor/procesa_carga.php permits the upload of .php files with a text/* content type, enabling the execution of PHP code via a specific URI.

The Impact of CVE-2019-20385

The vulnerability allows malicious actors to upload and execute arbitrary PHP code on the affected devices, potentially leading to unauthorized access and further exploitation.

Technical Details of CVE-2019-20385

The technical aspects of the CVE-2019-20385 vulnerability are outlined below:

Vulnerability Description

The CSV upload functionality in /supervisor/procesa_carga.php on Logaritmo Aware CallManager 2012 devices enables the upload of .php files with a text/* content type, facilitating PHP code execution.

Affected Systems and Versions

Product: Logaritmo Aware CallManager 2012
Vendor: N/A
Version: N/A

Exploitation Mechanism

By uploading a .php file with a text/* content type using the CSV upload feature, attackers can execute PHP code by accessing the /supervisor/csv/ URI.

Mitigation and Prevention

Protecting systems from CVE-2019-20385 requires immediate actions and long-term security practices:

Immediate Steps to Take

Disable the CSV upload feature in /supervisor/procesa_carga.php.
Implement strict file upload validation to prevent unauthorized file execution.

Long-Term Security Practices

Regularly update and patch the system to address known vulnerabilities.
Conduct security audits and penetration testing to identify and mitigate potential risks.

Patching and Updates

Apply patches or updates provided by the vendor to fix the vulnerability and enhance system security.