CVE-2023-28382 : Vulnerability Insights and Analysis

This CVE record was published on May 26, 2023, by JPCERT. It involves a directory traversal vulnerability in the ESS REC Agent Server Edition series that allows an authenticated attacker to view or alter arbitrary files on the server.

Understanding CVE-2023-28382

This section will delve into the details of CVE-2023-28382, including what the vulnerability entails and its impact.

What is CVE-2023-28382?

CVE-2023-28382 is a directory traversal vulnerability found in the ESS REC Agent Server Edition series. This flaw enables an authenticated attacker to access and modify files on the server that should otherwise be restricted.

The Impact of CVE-2023-28382

The impact of this vulnerability is significant as it allows unauthorized individuals to potentially view or alter sensitive files on the server, leading to potential data breaches or system compromise.

Technical Details of CVE-2023-28382

In this section, we will explore the technical aspects of CVE-2023-28382, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in ESS REC Agent Server Edition series allows an authenticated attacker to perform directory traversal, granting access to files that they should not have permission to view or modify.

Affected Systems and Versions

The following versions of the ESS REC Agent Server Edition series are affected by this vulnerability:

ESS REC Agent Server Edition for Linux V1.0.0 to V1.4.3
ESS REC Agent Server Edition for Solaris V1.1.0 to V1.4.0
ESS REC Agent Server Edition for HP-UX V1.1.0 to V1.4.0
ESS REC Agent Server Edition for AIX V1.2.0 to V1.4.1

Exploitation Mechanism

An authenticated attacker can exploit this vulnerability by manipulating file paths in a way that circumvents access controls, enabling them to traverse directories and access unauthorized files on the server.

Mitigation and Prevention

This section provides insights into how organizations can mitigate the risks associated with CVE-2023-28382 and prevent potential exploitation.

Immediate Steps to Take

Organizations should apply security patches or updates provided by the vendor to address the vulnerability promptly.
Implement access controls and restrictions to limit the impact of potential directory traversal attacks.
Monitor server logs for any suspicious or unauthorized access attempts.

Long-Term Security Practices

Regularly conduct security assessments and audits to identify and remediate vulnerabilities in server configurations and applications.
Educate users and administrators about secure coding practices and the risks associated with directory traversal vulnerabilities.
Stay informed about security advisories and updates from the vendor to address emerging threats.

Patching and Updates

It is crucial for organizations using affected versions of the ESS REC Agent Server Edition series to apply patches or updates released by Encourage Technologies Co., Ltd. to mitigate the directory traversal vulnerability and enhance the security of their systems.