CVE-2023-41255 : What You Need to Know

A detailed insight into CVE-2023-41255 focusing on the vulnerability, impact, technical details, and mitigation strategies.

Understanding CVE-2023-41255

Explore the specifics of CVE-2023-41255 discovered in the Rexroth ctrlX HMI Web Panel devices.

What is CVE-2023-41255?

The vulnerability in the Rexroth ctrlX HMI Web Panel devices allows an unprivileged user to gain root access through the 'su' binary file without proper authentication.

The Impact of CVE-2023-41255

The exploit enables unauthorized users on the subnet of the TPC-110W device to obtain a root shell, leveraging the lack of authentication in the 'su' binary file.

Technical Details of CVE-2023-41255

Delve into the vulnerability description, affected systems, versions, and exploitation method.

Vulnerability Description

The flaw resides in the 'su' binary file accessible via the ADB protocol, paving the way for unprivileged users to escalate privileges.

Affected Systems and Versions

Rexroth ctrlX HMI Web Panel - WR21 (WR2107), WR21 (WR2110), and WR21 (WR2115) versions are impacted, allowing attackers to exploit the vulnerability.

Exploitation Mechanism

By gaining access to the device's subnet, attackers can exploit the lack of authentication in the 'su' binary file to achieve root access.

Mitigation and Prevention

Discover immediate steps and long-term security practices to mitigate the risks posed by CVE-2023-41255.

Immediate Steps to Take

Users are advised to restrict network access to the vulnerable device and monitor for any unauthorized activities.

Long-Term Security Practices

Implement strong authentication mechanisms, regular security audits, and network segmentation to enhance overall security posture.

Patching and Updates

Stay vigilant for security advisories from Rexroth and promptly apply patches and firmware updates to address the vulnerability.