CVE-2022-22516 Explained : Impact and Mitigation
Learn about CVE-2022-22516, a critical vulnerability in the SysDrv3S driver in CODESYS Control runtime, enabling unauthorized read and write access in restricted memory space.
This article provides insights into CVE-2022-22516, a vulnerability in the SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows that allows unauthorized access to restricted memory space.
Understanding CVE-2022-22516
In this section, we will delve into the details of CVE-2022-22516 to understand its significance and implications.
What is CVE-2022-22516?
CVE-2022-22516 involves a vulnerability in the SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows, enabling any system user to read and write within restricted memory space.
The Impact of CVE-2022-22516
The vulnerability poses a high risk, with a CVSS base score of 7.8, mainly affecting confidentiality, integrity, and availability. The attack complexity is low, and privileges required are low as well.
Technical Details of CVE-2022-22516
This section outlines the technical aspects of CVE-2022-22516, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The SysDrv3S driver in CODESYS Control allows SYSTEM users on Windows to access restricted memory space, compromising system security.
Affected Systems and Versions
The vulnerability impacts various products under the CODESYS vendor, including Control RTE, Control Win, and Development System V3, with versions less than V3.5.18.0 being affected.
Exploitation Mechanism
The vulnerability can be exploited by any system user, granting them unauthorized access to restricted memory areas.
Mitigation and Prevention
In this section, we will discuss the steps to mitigate and prevent the exploitation of CVE-2022-22516.
Immediate Steps to Take
Users are advised to update affected CODESYS products to versions equal to or greater than V3.5.18.0. Restricting access to system users can also reduce the risk.
Long-Term Security Practices
Implementing least privilege access, regular security audits, and monitoring can enhance long-term security posture against such vulnerabilities.
Patching and Updates
Regularly check for security updates from CODESYS and apply patches promptly to ensure system integrity and protection against potential exploits.