CVE-2020-12034 : Exploit Details and Defense Strategies

Products that use EDS Subsystem: Version 28.0.1 and prior, including FactoryTalk Linx software, RSLinx Classic, RSNetWorx software, and Studio 5000 Logix Designer software, are vulnerable to SQL injection due to inadequate input sanitation in the EDS subsystem. This can lead to denial-of-service conditions.

Understanding CVE-2020-12034

This CVE identifies a vulnerability in the EDS Subsystem and related software versions that could be exploited through SQL injection.

What is CVE-2020-12034?

The vulnerability arises from insufficient input sanitation in the EDS Subsystem, allowing attackers to inject SQL queries via crafted EDS files, potentially compromising the database and causing denial-of-service scenarios.

The Impact of CVE-2020-12034

Exploitation of this vulnerability could lead to denial-of-service conditions, impacting the availability and integrity of the affected systems and data.

Technical Details of CVE-2020-12034

This section delves into the specifics of the vulnerability.

Vulnerability Description

The EDS Subsystem lacks proper input sanitation, enabling attackers to insert SQL queries through manipulated EDS files, posing a significant risk to the database integrity.

Affected Systems and Versions

EDS Subsystem: Version 28.0.1 and earlier
FactoryTalk Linx software: Versions 6.00, 6.10, and 6.11
RSLinx Classic: Version 4.11.00 and prior
RSNetWorx software: Version 28.00.00 and earlier
Studio 5000 Logix Designer software: Version 32 and earlier

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting specialized EDS files to inject SQL queries, potentially leading to database manipulation and denial-of-service incidents.

Mitigation and Prevention

Protecting systems from CVE-2020-12034 requires immediate actions and long-term security practices.

Immediate Steps to Take

Implement input validation mechanisms to sanitize user inputs effectively.
Regularly monitor and analyze database activities for any suspicious queries.
Apply the latest security patches and updates to the affected software.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate personnel on secure coding practices and the risks associated with SQL injection attacks.

Patching and Updates

Ensure timely installation of security patches provided by the software vendors to address the SQL injection vulnerability.