CVE-2023-4159 : Exploit Details and Defense Strategies
Learn about CVE-2023-4159, a file upload vulnerability in omeka/omeka-s prior to version 4.0.3, posing high impacts on confidentiality, integrity, and availability of systems. Find mitigation steps here.
This CVE involves the unrestricted upload of a file with a dangerous type in the GitHub repository omeka/omeka-s prior to version 4.0.3.
Understanding CVE-2023-4159
This section will give you an insight into what CVE-2023-4159 is all about and its impact on systems.
What is CVE-2023-4159?
CVE-2023-4159 pertains to a vulnerability that allows for the unrestricted upload of a file with a dangerous type in the omeka/omeka-s GitHub repository before version 4.0.3.
The Impact of CVE-2023-4159
The impact of this CVE is significant, as it can lead to high confidentiality, integrity, and availability impacts on affected systems.
Technical Details of CVE-2023-4159
Delve deeper into the technical aspects of CVE-2023-4159 to understand the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability in CVE-2023-4159 allows malicious actors to upload files with dangerous types, potentially leading to unauthorized access, data breaches, and system compromise.
Affected Systems and Versions
The affected vendor is omeka, specifically the product omeka/omeka-s with versions prior to 4.0.3 being vulnerable to this exploit.
Exploitation Mechanism
The exploitation mechanism involves malicious entities uploading files with dangerous types, exploiting vulnerabilities in the system to gain unauthorized access and compromise system integrity.
Mitigation and Prevention
Learn about the steps you can take to mitigate the risks posed by CVE-2023-4159 and prevent potential security breaches.
Immediate Steps to Take
Immediate actions include updating the affected omeka/omeka-s instances to version 4.0.3 or higher, implementing file upload restrictions, and monitoring file uploads for malicious content.
Long-Term Security Practices
Establishing secure coding practices, conducting regular security assessments, and educating users on safe file upload protocols are essential for long-term security resilience.
Patching and Updates
Regularly applying security patches and updates, staying informed about vulnerabilities, and actively monitoring and responding to security advisories can help prevent CVE-2023-4159 exploitation on your systems.