CVE-2023-28864 : Exploit Details and Defense Strategies

This CVE record involves Progress Chef Infra Server before version 15.7, which allows a local attacker to exploit a specific vulnerability leading to the disclosure of sensitive information. By utilizing a world-readable temporary backup path, the attacker can access OpenSearch credentials, potentially exposing all indexed node data, including credentials for additional systems.

Understanding CVE-2023-28864

This section will delve into the details of CVE-2023-28864, outlining the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-28864?

CVE-2023-28864 pertains to an issue in Progress Chef Infra Server before version 15.7 that enables a local attacker to access sensitive information by exploiting a world-readable temporary backup path. The vulnerability leads to the disclosure of indexed node data, including valuable credentials, when OpenSearch credentials are exposed.

The Impact of CVE-2023-28864

The impact of CVE-2023-28864 is significant as it allows attackers to potentially obtain crucial information stored on Chef Infra Server, compromising the security and confidentiality of the indexed node data and associated credentials for other systems. This breach could have severe implications for affected organizations.

Technical Details of CVE-2023-28864

In this section, we will explore the technical aspects of CVE-2023-28864, including the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Chef Infra Server exposes a world-readable temporary backup path, enabling local attackers to access OpenSearch credentials and disclose indexed node data, including critical credentials for additional systems that could be stored within the server.

Affected Systems and Versions

The vulnerability affects Progress Chef Infra Server versions prior to 15.7. It is crucial for organizations using these versions to take immediate action to safeguard their systems and data from potential exploitation.

Exploitation Mechanism

To exploit CVE-2023-28864, a local attacker needs to wait for an administrative user to execute the "chef-server-ctl reconfigure" command. By leveraging the exposed temporary backup path, the attacker can gain unauthorized access to sensitive information stored in the Chef Infra Server.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-28864 requires prompt action and robust security measures to protect sensitive data and prevent unauthorized access.

Immediate Steps to Take

Organizations using Progress Chef Infra Server versions before 15.7 should update to the latest patched version promptly. Additionally, monitoring system logs for any suspicious activities and restricting access to sensitive directories can enhance security posture.

Long-Term Security Practices

Implementing a comprehensive security policy, conducting regular security audits, and educating employees on best cybersecurity practices are essential for long-term protection against similar vulnerabilities.

Patching and Updates

Regularly applying security patches, updates, and fixes provided by the vendor is critical to addressing vulnerabilities like CVE-2023-28864. Organizations should stay informed about security advisories and promptly implement recommended solutions to strengthen their defense mechanisms.