CVE-2023-31210 : What You Need to Know

A privilege escalation vulnerability has been identified in Checkmk version 2.2.0p10 up to 2.2.0p16, allowing malicious users to escalate their rights by injecting malicious libraries via the LD_LIBRARY_PATH within the agent.

Understanding CVE-2023-31210

This section will cover the critical aspects of the CVE-2023-31210 vulnerability.

What is CVE-2023-31210?

The CVE-2023-31210 vulnerability involves the utilization of user-controlled LD_LIBRARY_PATH in the agent of Checkmk versions 2.2.0p10 through 2.2.0p16. This loophole enables a malicious user on a Checkmk site to elevate their privileges through the injection of harmful libraries.

The Impact of CVE-2023-31210

The impact of this vulnerability, tagged as CAPEC-251(Local Code Inclusion), is classified as HIGH. It opens up opportunities for local code inclusion attacks, posing a serious threat to system integrity and security.

Technical Details of CVE-2023-31210

Delve into the technical specifics of the CVE-2023-31210 vulnerability to understand its implications better.

Vulnerability Description

The vulnerability stems from an issue where a malicious user can manipulate the LD_LIBRARY_PATH, leading to the injection of harmful libraries. This action allows unauthorized elevation of privileges.

Affected Systems and Versions

Checkmk versions 2.2.0p10 up to 2.2.0p16 are affected by this vulnerability. Users on these versions are at risk of potential privilege escalation attacks.

Exploitation Mechanism

The exploitation of CVE-2023-31210 revolves around injecting malicious libraries via the user-controlled LD_LIBRARY_PATH in the Checkmk agent. This method enables attackers to gain unauthorized access and escalate their privileges.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent the exploitation of CVE-2023-31210 for enhanced cybersecurity.

Immediate Steps to Take

Immediately upgrade affected Checkmk instances to versions beyond 2.2.0p16. Avoid using user-controlled paths like LD_LIBRARY_PATH to minimize vulnerability exposure.

Long-Term Security Practices

Implement strict security practices, such as regular security audits, to detect and address vulnerabilities promptly. Educate users on secure coding practices to prevent privilege escalation exploits.

Patching and Updates

Stay proactive with security patching and system updates to ensure that known vulnerabilities are promptly addressed and system defenses are up-to-date.