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CVE-2025-3632: IBM 4769 Developers Toolkit Vulnerability Leading to Potential Denial of Service

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Overview

The vulnerability identified as CVE-2025-3632 impacts IBM 4769 Developers Toolkit versions 7.0.0 through 7.5.52. This vulnerability could allow remote attackers to cause a denial of service (DoS) in the Hardware Security Module (HSM), a critical component in any organization’s security infrastructure, due to improper memory allocation of an excessive size. The potential ramifications of this vulnerability, including system compromise and data leakage, necessitate immediate attention and mitigation.

Vulnerability Summary

CVE ID: CVE-2025-3632
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Denial of service, potential system compromise and data leakage

Affected Products

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Product | Affected Versions

IBM 4769 Developers Toolkit | 7.0.0 to 7.5.52

How the Exploit Works

The vulnerability lies in the improper memory allocation mechanism of IBM 4769 Developers Toolkit. A remote attacker can exploit this vulnerability by sending specially crafted network packets that request excessive memory allocation on the HSM. If successful, this could cause a denial of service, leading to potential system compromise and data leakage.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited:

POST /excessive/memory/allocation HTTP/1.1
Host: target.ibm.com
Content-Type: application/json
{ "memory_request": "100000000000000000000" }

In this conceptual example, the attacker sends a POST request to a vulnerable endpoint, requesting an excessive amount of memory, which could lead to a denial of service.

Mitigation and Recommendations

IBM has released a patch to address this vulnerability. It is recommended that all users of the affected IBM 4769 Developers Toolkit versions apply this patch immediately. For interim mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to monitor and block potential exploitation attempts.

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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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