CVE-2023-50439 : Exploit Details and Defense Strategies

ZED containers produced by PRIMX ZED! for Windows before Q.2020.3 (ANSSI qualification submission), ZED! for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before 2023.5, or ZEDMAIL for Windows before 2023.5 disclose the original path in which the containers were created, which allows an unauthenticated attacker to obtain some information regarding the context of use (project name, etc.).

Understanding CVE-2023-50439

This section provides an overview of the CVE-2023-50439 vulnerability.

What is CVE-2023-50439?

CVE-2023-50439 relates to the disclosure of sensitive information due to the exposure of the original path of containers created by specific PRIMX ZED! products for Windows.

The Impact of CVE-2023-50439

The vulnerability in ZED containers could enable an unauthorized attacker to gather critical information about the container's context of use, potentially compromising the security and confidentiality of the system and data.

Technical Details of CVE-2023-50439

Here, we delve into the technical aspects of CVE-2023-50439.

Vulnerability Description

The issue lies in the failure to mask the original path of container creation, leading to unauthorized access to project names and related information.

Affected Systems and Versions

The vulnerability affects ZED! for Windows versions before Q.2020.3 (ANSSI qualification submission), Q.2021.2, ZONECENTRAL for Windows before Q.2021.2, and ZONECENTRAL for Windows before 2023.5, along with ZEDMAIL for Windows before 2023.5.

Exploitation Mechanism

An unauthenticated attacker can exploit this vulnerability to extract sensitive details about the container's usage context, posing a risk to data confidentiality.

Mitigation and Prevention

In this section, we discuss measures to mitigate and prevent exploitation of CVE-2023-50439.

Immediate Steps to Take

Users are advised to update the affected PRIMX ZED! products to the latest versions and refrain from exposing critical information within container paths.

Long-Term Security Practices

Implementing robust access control mechanisms, regular security assessments, and educating users on secure container practices can enhance the overall security posture.

Patching and Updates

Regularly check for security advisories and apply patches provided by PRIMX to address vulnerabilities and enhance the security of container environments.