CVE-2023-4878 : Security Advisory and Response

This CVE-2023-4878 is a Server-Side Request Forgery (SSRF) vulnerability found in the GitHub repository instantsoft/icms2 before version 2.16.1-git, affecting systems using this particular software.

Understanding CVE-2023-4878

This section will delve into the details of the CVE-2023-4878 vulnerability, its impact, technical description, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2023-4878?

The CVE-2023-4878 vulnerability represents a Server-Side Request Forgery (SSRF) in the instantsoft/icms2 GitHub repository prior to version 2.16.1-git. This flaw can be exploited by attackers to make the vulnerable server perform unauthorized actions.

The Impact of CVE-2023-4878

The impact of this vulnerability is rated as medium with a base score of 4.3. The confidentiality impact is low, and the attack vector is through the network with low privileges required.

Technical Details of CVE-2023-4878

In this section, we will discuss the technical aspects of the CVE-2023-4878 vulnerability, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from a Server-Side Request Forgery (SSRF) in the instantsoft/icms2 GitHub repository before version 2.16.1-git, allowing unauthorized access to server resources.

Affected Systems and Versions

The vulnerability affects instances of the instantsoft/icms2 software with versions prior to 2.16.1-git. Systems running on these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this SSRF vulnerability in instantsoft/icms2 by tricking the server into making requests to internal resources, potentially leading to unauthorized access or data leakage.

Mitigation and Prevention

To address CVE-2023-4878 and prevent potential security risks, immediate steps should be taken, followed by the adoption of long-term security practices and timely patching and updates.

Immediate Steps to Take

Upgrade instantsoft/icms2 to version 2.16.1-git or newer to mitigate the SSRF vulnerability.
Implement network controls to restrict unauthorized access to external resources by the server.

Long-Term Security Practices

Regularly audit and review server configurations to identify and address potential SSRF vulnerabilities.
Educate users and administrators on potential SSRF risks and best practices for secure server-side request handling.

Patching and Updates

Stay updated with security advisories and patches released by the vendor to address vulnerabilities promptly and ensure the security of your system.