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CVE-2025-44905: Heap Buffer Overflow Vulnerability in hdf5 v1.14.6

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Overview

In a world where data security is paramount, understanding potential vulnerabilities is vital. This blog post discusses the CVE-2025-44905 vulnerability, a heap buffer overflow vulnerability discovered in hdf5 v1.14.6. This vulnerability is significant as it could potentially lead to a system compromise or data leakage. Companies or individuals utilizing hdf5 v1.14.6 should pay particular attention to this vulnerability and take necessary measures to secure their systems.

Vulnerability Summary

CVE ID: CVE-2025-44905
Severity: High (8.8)
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

hdf5 | v1.14.6

How the Exploit Works

The CVE-2025-44905 vulnerability is a heap buffer overflow vulnerability that occurs via the H5Z__filter_scaleoffset function in hdf5 v1.14.6. An attacker can send specially crafted data that overflows the buffer, causing an overflow error that can lead to arbitrary code execution. This could potentially compromise the system and lead to data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited. Keep in mind that this is a conceptual example and not actual exploit code.

# Attacker crafts specially designed data
$ echo "{ \"malicious_payload\": \"OVERFLOW_DATA_HERE\" }" > payload.txt
# Attacker sends the payload to the vulnerable function
$ hdf5 --function=H5Z__filter_scaleoffset --file=payload.txt

Mitigation Guidance

The most effective way to mitigate this vulnerability is to apply the patch provided by the vendor. If this is not immediately possible, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary measure. However, it is strongly recommended to apply the patch as soon as possible to fully protect your system from this vulnerability.
In conclusion, the CVE-2025-44905 vulnerability is a severe risk that can potentially lead to a system compromise or data leakage. It affects hdf5 v1.14.6 and should be patched immediately. Stay vigilant and keep your systems up to date to protect your data from potential threats.

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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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