CVE-2023-43740 : What You Need to Know

This article provides detailed information about CVE-2023-43740, a vulnerability in Online Book Store Project version 1.0 that allows remote code execution.

Understanding CVE-2023-43740

Online Book Store Project version 1.0 is vulnerable to an insecure file upload issue that can be exploited by an authenticated attacker to achieve remote code execution on the server.

What is CVE-2023-43740?

The vulnerability in Online Book Store Project version 1.0 allows an attacker to upload malicious files via the 'image' parameter on the admin_edit.php page, leading to remote code execution on the server.

The Impact of CVE-2023-43740

The impact of CVE-2023-43740 is significant, with a CVSS v3.1 base score of 8.8 (High), posing a high risk to confidentiality, integrity, and availability of the affected system. The vulnerability corresponds to CAPEC-549 - Local Execution of Code.

Technical Details of CVE-2023-43740

Here are the technical details related to CVE-2023-43740:

Vulnerability Description

Online Book Store Project version 1.0 is prone to an Insecure File Upload vulnerability on the 'image' parameter of admin_edit.php page, allowing remote code execution by authenticated attackers.

Affected Systems and Versions

The affected system is the Online Book Store Project version 1.0.

Exploitation Mechanism

The vulnerability can be exploited by uploading a malicious file through the 'image' parameter on the admin_edit.php page, enabling an attacker to execute remote code on the server.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-43740, consider the following steps:

Immediate Steps to Take

Disable file uploads on the affected parameter until a patch is available.
Monitor system logs for any suspicious activity related to file uploads.

Long-Term Security Practices

Implement input validation mechanisms to prevent insecure file uploads.
Regularly update the application to the latest secure version.

Patching and Updates

Apply security patches provided by the Online Book Store Project to address the vulnerability in version 1.0.