CVE-2022-24789 : Exploit Details and Defense Strategies

C1 CMS is an open-source, .NET based Content Management System (CMS) that suffers from a vulnerability allowing an authenticated user to exploit Server Side Request Forgery (SSRF) and potentially delete files or cause denial of service. Here's what you need to know about CVE-2022-24789.

Understanding CVE-2022-24789

C1 CMS is affected by a vulnerability that allows an authenticated user to exploit SSRF by making arbitrary GET requests to servers in the local network or on localhost, leading to potential DoS or file alteration. The issue is patched in version 6.12.

What is CVE-2022-24789?

Versions of C1-CMS-Foundation prior to 6.12 are susceptible to an SSRF vulnerability that could be exploited by an authenticated user to make unauthorized server requests.

The Impact of CVE-2022-24789

The vulnerability in C1 CMS could allow an attacker to delete files or cause denial of service by exploiting SSRF, potentially altering the application logic.

Technical Details of CVE-2022-24789

Here are the technical details of CVE-2022-24789:

Vulnerability Description

The vulnerability allows an authenticated user to trigger SSRF and make unauthorized requests within the server's network.

Affected Systems and Versions

C1-CMS-Foundation versions prior to 6.12 are affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this vulnerability by manipulating the server to make arbitrary GET requests, potentially leading to important files being truncated or deleted.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-24789, follow these guidelines:

Immediate Steps to Take

Upgrade to C1 CMS version 6.12 or newer to apply the necessary patches.

Long-Term Security Practices

Regularly update and patch your CMS to prevent known vulnerabilities.
Educate users about safe browsing habits to avoid visiting malicious sites.

Patching and Updates

Stay informed about security advisories and updates from Orckestra to ensure your system is protected against potential threats.