CVE-2023-4152 : Vulnerability Insights and Analysis

This CVE-2023-4152 was published on September 21, 2023, by CERTVDE. It pertains to a path traversal vulnerability found in Frauscher Sensortechnik GmbH FDS101 for FAdC/FAdCi versions 1.4.24 and all previous versions. This vulnerability allows a remote attacker to read all files on the filesystem of the FDS101 device by exploiting a crafted URL without authentication.

Understanding CVE-2023-4152

This section delves into the specifics of CVE-2023-4152.

What is CVE-2023-4152?

The CVE-2023-4152 is a path traversal vulnerability present in Frauscher Sensortechnik GmbH FDS101 for FAdC/FAdCi versions 1.4.24 and earlier versions. It allows malicious actors to access sensitive files on the device without proper authentication.

The Impact of CVE-2023-4152

The impact of this vulnerability is categorized as high severity. With a CVSSv3 base score of 7.5 and a confidentiality impact rated as high, it poses a significant threat to the security and integrity of the affected systems.

Technical Details of CVE-2023-4152

This section explores the technical aspects of CVE-2023-4152.

Vulnerability Description

The vulnerability results from improper limitation of a pathname to a restricted directory, also known as a 'Path Traversal' vulnerability. By exploiting a specially crafted URL, attackers can circumvent authentication measures and gain unauthorized access to the filesystem of the FDS101 device.

Affected Systems and Versions

Frauscher FDS101 for FAdC/FAdCi versions 1.4.24 and all prior versions are vulnerable to this exploit, putting these systems at risk of unauthorized file access.

Exploitation Mechanism

The vulnerability can be exploited remotely over the network, requiring low attack complexity and no privileges from the attacker. This ease of exploitation increases the potential impact of the security issue.

Mitigation and Prevention

Protecting systems against CVE-2023-4152 requires immediate action and long-term security measures to mitigate the risk effectively.

Immediate Steps to Take

Users of the affected Frauscher systems should apply security patches provided by the vendor promptly to address the vulnerability. Additionally, implementing network security measures like firewalls can help reduce the risk of exploitation.

Long-Term Security Practices

It is crucial to regularly update and patch software to prevent security vulnerabilities. Conducting security assessments, implementing access controls, and monitoring network traffic can also enhance the overall security posture of the systems.

Patching and Updates

Frauscher Sensortechnik GmbH may release software updates or patches to remediate the vulnerability. System administrators should stay informed about these updates and apply them as soon as they are available to secure their systems against potential attacks.