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CVE-2025-48208: LDAP Injection Vulnerability in Apache HertzBeat

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Overview

The cybersecurity community is being alerted to a severe vulnerability: CVE-2025-48208. This security weakness pertains to Apache HertzBeat, a widely used open-source software. Specifically, the vulnerability is an instance of improper neutralization of special elements used in an LDAP (Lightweight Directory Access Protocol) query, commonly known as an ‘LDAP Injection’ vulnerability.
This vulnerability is of significant concern due to the potential for system compromise or data leakage. Given the widespread use of Apache HertzBeat in many IT infrastructures, this vulnerability could potentially affect a large number of systems worldwide, hence it is crucial to address it promptly.

Vulnerability Summary

CVE ID: CVE-2025-48208
Severity: High (8.8 CVSS Score)
Attack Vector: Network
Privileges Required: High – Requires an authenticated account with access
User Interaction: None – Can be exploited without user interaction
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

Apache HertzBeat | Through 1.7.2

How the Exploit Works

The vulnerability arises from the improper neutralization of special elements used in an LDAP query within Apache HertzBeat. An attacker, who already has an authenticated account with access, can exploit this vulnerability by crafting custom commands. This would lead to arbitrary script execution, potentially compromising the system or leading to data leakage.

Conceptual Example Code

The following pseudocode represents how this vulnerability might be exploited. This is purely conceptual and serves to demonstrate the mechanics of the vulnerability:

POST /apache/hertzbeat/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "custom_command": "malicious_script" }

In this example, the attacker uses a POST request to send a malicious script disguised as a custom command to the vulnerable endpoint within Apache HertzBeat.

Recommendations

Users are strongly recommended to upgrade their Apache HertzBeat to version 1.7.3, which includes a fix for this issue. As an interim measure, applying a vendor patch or using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) may serve as temporary mitigation. However, these are not substitutes for upgrading to the patched version of the software.

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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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