CVE-2023-3662 : Vulnerability Insights and Analysis

This CVE-2023-3662 was published on August 3, 2023, by CERTVDE. It relates to a vulnerability in the CODESYS Development System.

Understanding CVE-2023-3662

This vulnerability in the CODESYS Development System version 3.5.17.0 and earlier, up to version 3.5.19.20, allows for the execution of binaries from the current working directory in the user's context.

What is CVE-2023-3662?

CVE-2023-3662 is a vulnerability in CODESYS Development System versions prior to 3.5.19.20 that allows attackers to execute binaries from the current working directory, potentially leading to unauthorized actions in the user's context.

The Impact of CVE-2023-3662

With a CVSSv3.1 base score of 7.3 and a high severity level, this vulnerability poses a significant risk. It has a low attack complexity, requires limited privileges, and user interaction is necessary. The exploit can have a major impact on confidentiality, integrity, and availability.

Technical Details of CVE-2023-3662

This section provides a deeper dive into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in CODESYS Development System versions prior to 3.5.19.20 allows for the execution of binaries from the current working directory, potentially leading to unauthorized access or malicious activities.

Affected Systems and Versions

The vulnerable versions include CODESYS Development System version 3.5.17.0 and earlier, up to version 3.5.19.20. Users operating on these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by executing binaries from the current working directory in the context of the affected user, potentially gaining unauthorized access or performing malicious activities.

Mitigation and Prevention

To address CVE-2023-3662 and prevent potential exploitation, users should take immediate steps and implement long-term security practices.

Immediate Steps to Take

Update to a version of CODESYS Development System that is equal or later than 3.5.19.20 to mitigate the vulnerability.
Avoid running the software in directories where untrusted binaries may be present.

Long-Term Security Practices

Regularly update software to the latest versions to prevent known vulnerabilities.
Implement secure coding practices and follow industry-standard security guidelines to reduce the risk of future exploits.

Patching and Updates

Stay informed about security patches and updates released by CODESYS. Promptly apply patches to ensure that your system is protected against known vulnerabilities like CVE-2023-3662.