CVE-2022-26666 Explained : Impact and Mitigation

A detailed overview of the SQL injection vulnerability in Delta Electronics DIAEnergie software prior to version 1.8.02.004, including its impact, technical details, and mitigation steps.

Understanding CVE-2022-26666

This section provides insights into the SQL injection vulnerability affecting Delta Electronics DIAEnergie.

What is CVE-2022-26666?

Delta Electronics DIAEnergie software, versions before 1.8.02.004, contains a blind SQL injection flaw in HandlerECC.ashx. Exploitation of this vulnerability allows attackers to execute arbitrary SQL queries, access and manipulate database contents, and run system commands.

The Impact of CVE-2022-26666

With a CVSS base score of 9.8 (Critical), the vulnerability poses a high risk to confidentiality, integrity, and availability. As an attacker can exploit the flaw remotely without requiring any privileges, immediate action is essential to prevent potential exploitation.

Technical Details of CVE-2022-26666

This section delves into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The blind SQL injection vulnerability in HandlerECC.ashx allows adversaries to inject malicious SQL queries, compromising the software's database and enabling unauthorized execution of system commands.

Affected Systems and Versions

Delta Electronics DIAEnergie software versions earlier than 1.8.02.004 are susceptible to this SQL injection flaw, putting systems with these versions at risk of exploitation.

Exploitation Mechanism

The vulnerability can be exploited via a network with low attack complexity, making it easier for threat actors to launch attacks that have a significant impact on system availability, confidentiality, and integrity.

Mitigation and Prevention

This section outlines crucial steps to mitigate the risks posed by CVE-2022-26666 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to apply immediate measures to enhance security and protect their systems from exploitation. These steps include minimizing network exposure, segregating control system devices behind firewalls, and employing application firewalls to detect and prevent attacks.

Long-Term Security Practices

To ensure long-term security, it is essential to establish robust security practices, such as isolating critical networks, restricting access to programming software, and implementing secure remote access methods like virtual private networks (VPNs).

Patching and Updates

Delta Electronics has addressed the vulnerability in Version 1.08.02.004. Users should seek this update through Delta customer service or representatives. A public release containing these fixes and additional features is scheduled for June 30, 2022.