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CVE-2025-24777: Deserialization of Untrusted Data Vulnerability in Awethemes Hillter

Overview

An alarming cybersecurity vulnerability, CVE-2025-24777, has been identified and reported in the popular Awethemes Hillter. This vulnerability, titled ‘Deserialization of Untrusted Data’, exposes systems to significant risk, potentially leading to a full system compromise or severe data leakage. Awethemes Hillter users, particularly those operating versions up to 3.0.7, need to be aware of this threat and take immediate action to secure their systems.

Vulnerability Summary

CVE ID: CVE-2025-24777
Severity: High (CVSS: 8.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential full system compromise or severe data leakage

Affected Products

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Product | Affected Versions

Awethemes Hillter | Up to and including 3.0.7

How the Exploit Works

The vulnerability exploits the deserialization of untrusted data in Awethemes Hillter. Deserialization is a process that converts byte streams into objects. In this case, an attacker can manipulate the byte stream to create malicious objects. When the server deserializes these objects, it can lead to object injection, where the attacker’s code is executed within the application’s context.

Conceptual Example Code

An example of how this vulnerability might be exploited is by sending a malicious payload to a vulnerable endpoint. This could look something like the following:

POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "SerializedObjectWithInjectedCode" }

In this example, `SerializedObjectWithInjectedCode` is a serialized object that contains malicious code. When the server deserializes this object, the malicious code is executed.

Mitigation Steps

To mitigate this vulnerability, users are advised to apply the vendor-provided patch immediately. As a temporary measure, users can deploy a Web Application Firewall (WAF) or Intrusion Detection Systems (IDS) to detect and prevent exploit attempts. However, this is only a temporary solution and users should apply the vendor’s patch as soon as possible to fully secure their systems.

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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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