CVE-2023-30455 : What You Need to Know

An issue was discovered in ebankIT before version 7 that allows a Denial-of-Service attack through a specific GET parameter. Learn about the impact, technical details, and mitigation steps below.

Understanding CVE-2023-30455

This CVE identifies a vulnerability in ebankIT before version 7 that could be exploited to launch a Denial-of-Service attack.

What is CVE-2023-30455?

The vulnerability in ebankIT allows an attacker to overload the server by sending requests with over 100 comma-separated e-statement IDs, leading to extended server response times and potential unresponsiveness.

The Impact of CVE-2023-30455

If exploited, this vulnerability can disrupt the normal functioning of the ebankIT server, causing delays in serving other users and potentially leading to a complete server overload.

Technical Details of CVE-2023-30455

Get insights into the vulnerability description, affected systems, and exploitation mechanism below.

Vulnerability Description

The vulnerability arises from the mishandling of the GET parameter EStatementsIds on a specific endpoint, allowing attackers to cause a server overload by sending a large number of e-statement IDs in a single request.

Affected Systems and Versions

All versions of ebankIT before version 7 are affected by this vulnerability, making them susceptible to Denial-of-Service attacks through the specified GET parameter.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending requests with over 100 e-statement IDs every 30 seconds, causing prolonged server response times and potential unresponsiveness.

Mitigation and Prevention

Discover the immediate steps to take and long-term security practices to mitigate the impact of CVE-2023-30455.

Immediate Steps to Take

To prevent exploitation, organizations using ebankIT should consider implementing rate limiting on the affected endpoint and monitoring unusual patterns in server response times.

Long-Term Security Practices

Regularly updating to the latest version of ebankIT and conducting security assessments can help maintain a secure environment and prevent Denial-of-Service attacks.

Patching and Updates

Stay informed about security updates and patches released by ebankIT to address this vulnerability and other potential security threats.