CVE-2023-3654 : Exploit Details and Defense Strategies

This CVE-2023-3654 was published on October 03, 2023, with CyberDanube as the assigning organization. The vulnerability affects cashIT! - serving solutions devices from "PoS/ Dienstleistung, Entwicklung & Vertrieb GmbH" up to version 03.A06rks 2023.02.37. The vulnerability involves an origin bypass via the host header in an HTTP request, allowing for potential exploitation through an exposed HTTP endpoint.

Understanding CVE-2023-3654

This section will delve deeper into the details of CVE-2023-3654, outlining the vulnerability, impact, and technical aspects surrounding it.

What is CVE-2023-3654?

The vulnerability identified as CVE-2023-3654 involves an origin bypass through the host header in an HTTP request, affecting cashIT! - serving solutions devices from "PoS/ Dienstleistung, Entwicklung & Vertrieb GmbH" up to version 03.A06rks 2023.02.37. This could potentially allow threat actors to manipulate or impersonate the origin of the HTTP request, leading to security breaches and unauthorized access.

The Impact of CVE-2023-3654

The impact of CVE-2023-3654 is categorized under CAPEC-151 (Identity Spoofing). With a CVSS base score of 9.4 (Critical), the vulnerability poses a serious threat to confidentiality and integrity, with low complexity for exploitation and a network-based attack vector.

Technical Details of CVE-2023-3654

In this section, we will discuss the vulnerability description, affected systems and versions, as well as the exploitation mechanism of CVE-2023-3654.

Vulnerability Description

CVE-2023-3654 is identified as a CWE-346 (Origin Validation Error) vulnerability, allowing an origin bypass via the host header in an HTTP request within the affected cashIT! - serving solutions devices.

Affected Systems and Versions

The vulnerability affects cashIT! - serving solutions devices from "PoS/ Dienstleistung, Entwicklung & Vertrieb GmbH" up to version 03.A06rks 2023.02.37.

Exploitation Mechanism

The vulnerability can be triggered by an HTTP endpoint exposed to the network, potentially enabling threat actors to exploit the origin bypass via the host header.

Mitigation and Prevention

To address CVE-2023-3654, immediate steps, long-term security practices, and patching updates are essential to mitigate the risk and prevent exploitation of the vulnerability.

Immediate Steps to Take

Disable or restrict access to vulnerable HTTP endpoints.
Implement network segmentation and access controls to limit exposure.
Monitor and analyze network traffic for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep systems and software updated with the latest patches and security fixes.
Educate employees and users about safe browsing habits and security best practices.

Patching and Updates

Vendors should release patches and updates to address the origin bypass vulnerability in cashIT! - serving solutions devices. It is crucial for organizations to apply these patches promptly to secure their systems and data.

By following these mitigation strategies and best practices, organizations can enhance their cybersecurity posture and reduce the risk associated with CVE-2023-3654.