CVE-2023-28323 : Security Advisory and Response

This article provides an in-depth overview of CVE-2023-28323, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-28323

CVE-2023-28323 involves a deserialization vulnerability in EPM 2022 Su3 and all prior versions. This vulnerability allows an unauthenticated user to elevate rights, potentially leading to privilege escalation and providing a pathway to compromise other network-connected machines.

What is CVE-2023-28323?

CVE-2023-28323 is a deserialization vulnerability in Ivanti Endpoint Manager (EPM) 2022 Su3 and earlier versions. Exploiting this vulnerability enables an unauthenticated user to elevate rights, posing a significant security risk.

The Impact of CVE-2023-28323

The impact of CVE-2023-28323 is severe as threat actors could exploit this vulnerability to escalate privileges on the compromised system. Moreover, when combined with other OS vulnerabilities, it can be used as a foothold to access other networked devices, potentially leading to a larger-scale security compromise.

Technical Details of CVE-2023-28323

Understanding the technical aspects of CVE-2023-28323 is crucial for devising effective mitigation strategies.

Vulnerability Description

The vulnerability arises from a deserialization flaw in EPM 2022 Su3 and previous versions, allowing unauthorized users to manipulate data and elevate their privileges.

Affected Systems and Versions

Vendor: Ivanti
Product: Ivanti Endpoint Manager
Affected Versions: EPM 2022 Su3 and all versions prior to Su3

Exploitation Mechanism

By exploiting the deserialization vulnerability in Ivanti Endpoint Manager, attackers can execute unauthorized code and potentially gain elevated access to the system.

Mitigation and Prevention

Protecting systems from CVE-2023-28323 requires immediate action and the implementation of robust security practices.

Immediate Steps to Take

Update Ivanti Endpoint Manager to the latest version to mitigate the vulnerability.
Monitor network activity for any signs of unauthorized access or unusual behavior.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments to identify and address potential risks.
Educate users and IT staff about the importance of cybersecurity best practices and maintaining system security.
Establish incident response procedures to swiftly respond to security breaches and mitigate their impact.

Patching and Updates

Ivanti has likely released patches or updates to address CVE-2023-28323. It is crucial to promptly apply these patches to secure the affected systems and prevent exploitation of the vulnerability.