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CVE-2023-5183 : Security Advisory and Response

Learn about CVE-2023-5183, an authenticated remote code execution flaw in Illumio's Core PCE due to unsafe JSON deserialization. Impact severity is critical with a low attack complexity.

This CVE-2023-5183 post provides details about an authenticated remote code execution vulnerability resulting from unsafe JSON deserialization in Illumio's Core PCE.

Understanding CVE-2023-5183

This section delves into the specifics of CVE-2023-5183.

What is CVE-2023-5183?

The vulnerability involves unsafe deserialization of untrusted JSON, enabling the execution of arbitrary code on impacted versions of the Illumio PCE. Authentication to the API is necessary to exploit this security flaw. The issue lies within the network_traffic API endpoint, allowing attackers to execute code within the operating system user of the PCE.

The Impact of CVE-2023-5183

The impact of this vulnerability is classified under CAPEC-586 Object Injection. With a CVSS base score of 9.9 (Critical severity), the confidentiality, integrity, and availability of affected systems are at high risk. The attack complexity is low, and it requires low privileges.

Technical Details of CVE-2023-5183

This section provides more technical insights into CVE-2023-5183.

Vulnerability Description

The vulnerability arises from the unsafe deserialization of untrusted JSON data, leading to the execution of arbitrary code on Illumio PCE systems.

Affected Systems and Versions

Illumio's Core PCE versions up to 23.2.0 are impacted by this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, attackers need authentication to the API and can leverage the flaw within the network_traffic API endpoint to execute malicious code.

Mitigation and Prevention

Protecting systems from CVE-2023-5183 is crucial. Here are essential steps to mitigate and prevent exploitation:

Immediate Steps to Take

        Upgrade to the latest release for the specific major version in use to safeguard against this vulnerability.

Long-Term Security Practices

        Implement strict access controls and authentication mechanisms within your network environment.
        Regularly monitor and patch systems to stay protected from emerging threats.

Patching and Updates

Ensure prompt installation of security patches and updates provided by Illumio to address the CVE-2023-5183 vulnerability.

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