CVE-2018-25048 : Security Advisory and Response

This CVE-2018-25048 article provides insights into a vulnerability in the CODESYS runtime system, allowing unauthorized access and potential denial-of-service attacks.

Understanding CVE-2018-25048

This CVE involves a path traversal vulnerability in various versions of the CODESYS runtime system, enabling remote attackers to manipulate system files and potentially disrupt device operations.

What is CVE-2018-25048?

The presence of a path traversal vulnerability in CODESYS runtime systems allows attackers with low privileges to access and modify system files, leading to potential denial-of-service attacks.

The Impact of CVE-2018-25048

Attackers can gain unauthorized access to system files
Possibility of system file manipulation
Potential for denial-of-service attacks on affected devices

Technical Details of CVE-2018-25048

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The CODESYS runtime system in various versions is susceptible to a path traversal vulnerability, enabling remote attackers to access and modify system files, potentially leading to denial-of-service attacks.

Affected Systems and Versions

Control for BeagleBone
Control for emPC-A/iMX6
Control for IOT2000
Control for PFC100
Control for PFC200
Control for Raspberry Pi
Control RTE V3 (all variants)
Control Win V3 (all variants)
V3 Simulation Runtime (part of the CODESYS Development System)
HMI V3 (all variants)
V3 Remote Target Visu (all variants)
Control V3 Runtime System Toolkit
V3 Embedded Target Visu Toolkit
V3 Remote Target Visu Toolkit
Runtime Toolkit 32 bit embedded
Runtime Toolkit 32 bit full
Runtime PLCWinNT

Exploitation Mechanism

The vulnerability can be exploited by remote attackers with low privileges using a path traversal technique to access and manipulate system files, potentially causing denial-of-service incidents.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE-2018-25048 vulnerability is crucial.

Immediate Steps to Take

Apply security patches provided by CODESYS promptly
Implement network segmentation to limit access
Monitor system logs for suspicious activities

Long-Term Security Practices

Regularly update and patch CODESYS runtime systems
Conduct security assessments and penetration testing
Educate users on secure coding practices

Patching and Updates

CODESYS has released patches to address the vulnerability
Ensure all affected systems are updated with the latest patches