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CVE-2024-52504: Denial of Service Vulnerability in SIPROTEC 4 Devices

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Overview

CVE-2024-52504 is a significant security vulnerability affecting various versions of SIPROTEC 4 devices. This flaw allows an unauthenticated remote attacker to cause a denial of service condition by exploiting inadequate handling of interrupted file transfer operations. The vulnerability is of critical concern due to its potential to compromise the security of systems or lead to data leakage.

Vulnerability Summary

CVE ID: CVE-2024-52504
Severity: High (7.5 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Denial of Service; potential data leakage and system compromise

Affected Products

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Product | Affected Versions

SIPROTEC 4 6MD61 | All versions
SIPROTEC 4 6MD63 | All versions
SIPROTEC 4 Compact 7RW80 | All versions

How the Exploit Works

The vulnerability originates from the improper handling of file transfer operations by SIPROTEC 4 devices. An attacker can exploit this by sending specially crafted network packets that interrupt these operations. This causes the devices to enter a state of denial of service, thereby disrupting normal operations until a restart is performed.

Conceptual Example Code

Though the exact method of exploitation might differ depending on the specific device and its configuration, a conceptual example of an attack might look like this:

POST /filetransfer HTTP/1.1
Host: target-siprotec-device.com
Content-Type: multipart/form-data
Content-Length: [length]
{ "file": "<malicious interruption>" }

In this example, the attacker sends a POST request to the file transfer endpoint of the target SIPROTEC device. The content of the request is designed to interrupt file transfer operations, leading to the denial of service condition.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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