CVE-2019-7387 : Vulnerability Insights and Analysis

A vulnerability in the web interface of Systrome Cumilon ISG-600C, ISG-600H, and ISG-800W devices allows for local file inclusion, potentially leading to path traversal.

Understanding CVE-2019-7387

What is CVE-2019-7387?

This CVE identifies a local file inclusion vulnerability in specific Systrome Cumilon devices, enabling path traversal through user-provided input.

The Impact of CVE-2019-7387

The vulnerability could be exploited to access sensitive system files and potentially execute arbitrary code, posing a significant security risk.

Technical Details of CVE-2019-7387

Vulnerability Description

The flaw exists in the export function of the web interface, specifically in the system/maintenance/export.php file, where user-supplied path input is not properly validated.

Affected Systems and Versions

Affected Devices: Systrome Cumilon ISG-600C, ISG-600H, ISG-800W
Vulnerable Version: 1.1-R2.1_TRUNK-20180914.bin

Exploitation Mechanism

By manipulating the 'name' parameter in the export function, attackers can perform path traversal and potentially access unauthorized files.

Mitigation and Prevention

Immediate Steps to Take

Disable access to the vulnerable export functionality if not essential
Implement input validation to restrict user-supplied paths
Monitor system logs for any suspicious activities

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security assessments and penetration testing to identify vulnerabilities

Patching and Updates

Apply patches provided by the vendor to address the vulnerability and enhance system security.