CVE-2019-7404 : Exploit Details and Defense Strategies

A vulnerability has been detected on LG GAMP-7100, GAPM-7200, and GAPM-8000 routers, allowing unauthorized access to log files via HTTP requests.

Understanding CVE-2019-7404

This CVE identifies a security flaw in LG routers that enables unauthenticated users to read log files by manipulating HTTP requests.

What is CVE-2019-7404?

The vulnerability in LG GAMP-7100, GAPM-7200, and GAPM-8000 routers permits unauthorized users to access log files by sending specific HTTP requests containing the complete file path.

The Impact of CVE-2019-7404

The vulnerability allows attackers to view sensitive log files, potentially exposing confidential information and compromising network security.

Technical Details of CVE-2019-7404

This section provides detailed technical insights into the CVE.

Vulnerability Description

An unauthorized user can exploit this vulnerability by sending an HTTP request with the complete file path, enabling access to log files on the affected LG routers.

Affected Systems and Versions

LG GAMP-7100
LG GAPM-7200
LG GAPM-8000

Exploitation Mechanism

Attackers can access log files by crafting HTTP requests with the full file path, such as http://192.168.0.1/var/gapm7100_${today's_date}.log, to read specific log files like gapm7100_190101.log.

Mitigation and Prevention

Protecting systems from CVE-2019-7404 requires immediate actions and long-term security measures.

Immediate Steps to Take

Implement access controls to restrict unauthorized access to log files.
Monitor network traffic for suspicious HTTP requests.
Apply firewall rules to filter and block potentially malicious requests.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Conduct security audits to identify and address potential weaknesses in network configurations.
Educate users on safe browsing practices and the importance of network security.

Patching and Updates

LG should release patches addressing the vulnerability to prevent unauthorized access to log files on the affected routers.