Overview
In the world of cybersecurity, vulnerabilities represent a constant threat to the integrity and confidentiality of our systems. One such vulnerability, CVE-2024-13967, affects users of EIBPORT V3 KNX and KNX GSM, potentially allowing unauthorized users to gain access to a configuration web page. This vulnerability is especially concerning given the potential for system compromise or data leakage, two outcomes that can have devastating effects for both individuals and businesses alike.
Vulnerability Summary
CVE ID: CVE-2024-13967
Severity: High (CVSS: 8.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
EIBPORT V3 KNX | Up to and including 3.9.8
EIBPORT V3 KNX GSM | Up to and including 3.9.8
How the Exploit Works
The vulnerability in question lies within the integrated web server of EIBPORT V3 KNX and GSM. The flaw allows an attacker to bypass authentication mechanisms and gain unauthorized access to the configuration web page. Once inside, an attacker can manipulate system settings or siphon off sensitive data.
Conceptual Example Code
A conceptual exploit of the vulnerability could involve sending a maliciously crafted HTTP request to the server. Such a request might look like this:
GET /configuration_page HTTP/1.1
Host: vulnerable_eibport_device
Authorization: BypassIn this example, the “Authorization: Bypass” header line could represent an attack technique that exploits the vulnerability, tricking the server into providing access to the configuration page without proper authentication.
Impact and Mitigation
The impact of this vulnerability is potentially high, as it can lead to system compromise or data leakage. To mitigate this, users are advised to apply the vendor patch as soon as it becomes available. In the meantime, deploying a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary protection by detecting and blocking exploit attempts.
Remember, staying informed and vigilant is the best defense against cybersecurity threats. Always keep your systems updated and monitor for any unusual activity.