CVE-2019-18663 : Security Advisory and Response

ARP-GUARD 4.0.0-5 is susceptible to an unauthenticated remote attacker exploiting a SQL injection vulnerability in the user_id parameter of the /login/forgot1 POST request.

Understanding CVE-2019-18663

An overview of the SQL injection vulnerability in ARP-GUARD 4.0.0-5.

What is CVE-2019-18663?

This CVE describes a security flaw in ARP-GUARD 4.0.0-5 that allows unauthenticated remote attackers to execute arbitrary SQL commands through the user_id parameter.

The Impact of CVE-2019-18663

The vulnerability enables attackers to manipulate the SQL database, potentially leading to data theft, modification, or unauthorized access.

Technical Details of CVE-2019-18663

Insight into the technical aspects of the vulnerability.

Vulnerability Description

The flaw exists in the /login/forgot1 POST request of ARP-GUARD 4.0.0-5, permitting attackers to inject malicious SQL commands via the user_id parameter.

Affected Systems and Versions

System: ARP-GUARD 4.0.0-5
Versions: All versions up to and including 4.0.0-5

Exploitation Mechanism

Attackers can exploit the vulnerability by sending specially crafted SQL injection payloads through the user_id parameter, bypassing authentication.

Mitigation and Prevention

Measures to address and prevent the exploitation of CVE-2019-18663.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Implement strict input validation to sanitize user inputs and prevent SQL injection attacks.
Monitor and analyze SQL queries for any unusual or malicious patterns.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Educate developers and administrators on secure coding practices to mitigate SQL injection risks.

Patching and Updates

Ensure that ARP-GUARD is updated to a secure version that addresses the SQL injection vulnerability.