CVE-2023-24836 Explained : Impact and Mitigation

This CVE record pertains to a vulnerability in SUNNET CTMS involving path traversal within its file uploading function. An authenticated remote attacker with general user privilege can exploit this vulnerability to upload and execute scripts onto arbitrary directories to perform arbitrary system operations or disrupt services.

Understanding CVE-2023-24836

This section delves deeper into the nature of the CVE-2023-24836 vulnerability.

What is CVE-2023-24836?

CVE-2023-24836 is a vulnerability found in SUNNET CTMS that allows an authenticated remote attacker to perform path traversal within the file uploading function of the software. This can lead to the unauthorized upload and execution of scripts on arbitrary directories, enabling the attacker to carry out malicious system operations.

The Impact of CVE-2023-24836

The impact of CVE-2023-24836 can be significant, as it allows an attacker to compromise the integrity, confidentiality, and availability of the affected system. The exploitation of this vulnerability could result in unauthorized access to sensitive data, manipulation of system files, and service disruption.

Technical Details of CVE-2023-24836

This section provides technical insights into the CVE-2023-24836 vulnerability.

Vulnerability Description

The vulnerability in SUNNET CTMS results from improper limitation of a pathname to a restricted directory (path traversal). This flaw enables attackers to manipulate file upload functionality to execute scripts in unauthorized directories.

Affected Systems and Versions

The vulnerability affects SUNNET CTMS version 7.0 1227.

Exploitation Mechanism

An authenticated remote attacker with general user privileges can exploit the path traversal vulnerability in SUNNET CTMS by uploading malicious scripts to arbitrary directories, leading to the execution of arbitrary system operations.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2023-24836 is crucial for safeguarding systems against potential attacks.

Immediate Steps to Take

Implement restrictions on file uploads to prevent the execution of unauthorized scripts.
Regularly monitor file upload activities and audit file permissions to detect any suspicious behavior.
Apply security patches and updates provided by the vendor to address the vulnerability effectively.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users on secure uploading practices and the risks associated with file manipulation.
Stay informed about security best practices and incorporate security measures into the software development lifecycle.

Patching and Updates

It is essential to stay up to date with security patches and updates released by SUNNET for CTMS to ensure the mitigation of CVE-2023-24836. Regularly applying patches helps to address known vulnerabilities and enhance the overall security posture of the software.