CVE-2023-30090 : What You Need to Know

A detailed analysis of the arbitrary file upload vulnerability found in Semcms Shop v4.2 that allows attackers to execute code by uploading a crafted PHP file.

Understanding CVE-2023-30090

This CVE refers to an arbitrary file upload vulnerability discovered in Semcms Shop v4.2.

What is CVE-2023-30090?

CVE-2023-30090 is a security vulnerability that exists in Semcms Shop v4.2, specifically in the component SEMCMS_Upfile.php. It allows malicious actors to upload a malicious PHP file, leading to arbitrary code execution.

The Impact of CVE-2023-30090

The impact of this vulnerability is severe as attackers can exploit it to execute unauthorized code on the affected system, potentially leading to further compromise.

Technical Details of CVE-2023-30090

In-depth technical insights into the vulnerability.

Vulnerability Description

The arbitrary file upload vulnerability in Semcms Shop v4.2 allows attackers to upload a crafted PHP file, enabling them to execute malicious code on the system.

Affected Systems and Versions

Vendor: n/a Product: n/a Versions: Semcms Shop v4.2 Status: Affected

Exploitation Mechanism

The vulnerability is exploited by uploading a specially crafted PHP file using the vulnerable component, SEMCMS_Upfile.php.

Mitigation and Prevention

Preventive measures to mitigate the impact of CVE-2023-30090.

Immediate Steps to Take

Disable file uploads in Semcms Shop v4.2 if not necessary.
Implement robust input validation mechanisms to prevent malicious file uploads.
Monitor file upload activities for any suspicious behavior.

Long-Term Security Practices

Regularly update Semcms Shop to the latest secure version.
Conduct security audits to identify and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security patches released by the vendor and promptly apply them to protect the system from known vulnerabilities.