CVE-2023-41640: Improper Error Handling Vulnerability in GruppoSCAI RealGimm 1.1.37p38's ErroreNonGestito.aspx Component

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Summary

A recent vulnerability labeled as CVE-2023-41640 affects GruppoSCAI RealGimm 1.1.37p38. Attackers can exploit this vulnerability to acquire sensitive technical data by simply sending an intentionally manipulated SQL query. This article delves into the details of the identified vulnerability, provides code snippets, relevant references, and explores how to exploit the vulnerability.

Introduction

GruppoSCAI's RealGimm is a software widely employed in various industries for enhancing their operational efficiency. Unfortunately, a significant vulnerability has been spotted in the ErroreNonGestito.aspx component of RealGimm 1.1.37p38, which can potentially expose sensitive information to threat actors. The vulnerability, identified as CVE-2023-41640, is classified as an improper error handling issue.

The ErroreNonGestito.aspx component is responsible for handling application-level errors. An attacker can take advantage of its inadequate error response mechanisms to access sensitive data resulting from a crafted SQL query. This article discusses the vulnerability, how to exploit it, and how to develop a suitable defense.

Explaining the Vulnerability

The CVE-2023-41640 vulnerability resides in the ErroreNonGestito.aspx page, which does not handle exceptions or errors appropriately. In simple terms, the component exposes technical information when triggered with a specific SQL query. This technical data could include privileged access tokens, system settings, and other critical configuration files.

Code Snippet

Let's assume the following code snippet is from the vulnerable ErroreNonGestito.aspx component.

try
{
    // Application logic goes here
}
catch (SqlException ex)
{
    Response.Write("Error Message: " + ex.Message);
    // Directly exposing the SQL exception message to the user
}

Here, instead of returning a custom error message, the component directly exposes the caught SQL exception, revealing the sensitive information to the attacker.

Exploiting the Vulnerability

An attacker can exploit this vulnerability by sending a crafted SQL query to the vulnerable web application. This manipulated query could expose sensitive data such as database table and column names, which, in turn, can be used for more advanced SQL injection attacks. As a result, the attacker gains unauthorized access to the application's resources.

Defending Against CVE-2023-41640

To protect your application from this vulnerability, make sure to sanitize user input and employ custom error messages in your application rather than revealing raw exception details. Additionally, consider upgrading to a newer version of GruppoSCAI's RealGimm that has patched the vulnerability.

Original References

1. CVE-2023-41640: Improper Error Handling Vulnerability in GruppoSCAI RealGimm 1.1.37p38
2. Exploit Details: CVE-2023-41640

Conclusion

The improper error handling vulnerability (CVE-2023-41640) in GruppoSCAI RealGimm 1.1.37p38's ErroreNonGestito.aspx component can reveal sensitive information when triggered with a crafted SQL query. It is crucial for organizations to understand the implications of such vulnerabilities and take appropriate steps to prevent them. Always sanitize user input, employ custom error messages instead of exposing raw exception data, and keep your software up-to-date with the latest security patches.

Timeline

Published on: 08/31/2023 14:15:08 UTC
Last modified on: 09/11/2023 22:15:08 UTC