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CVE-2025-32977: Unauthenticated Backup File Upload Vulnerability in Quest KACE Systems Management Appliance

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Overview

The vulnerability CVE-2025-32977 is a critical flaw found in Quest KACE Systems Management Appliance (SMA) that potentially allows an unauthenticated user to upload backup files to the system. This vulnerability has a significant impact as it could potentially compromise system integrity and result in data leakage.
This vulnerability is of major importance as it affects multiple versions of the Quest KACE Systems Management Appliance (SMA), a widely used software solution for unified endpoint management. Due to the weakness in the signature validation process, malicious backup content can be uploaded, thus compromising the integrity of the system.

Vulnerability Summary

CVE ID: CVE-2025-32977
Severity: Critical (9.6 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System integrity compromise and potential data leakage

Affected Products

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Product | Affected Versions

Quest KACE Systems Management Appliance (SMA) | 13.0.x before 13.0.385
Quest KACE Systems Management Appliance (SMA) | 13.1.x before 13.1.81
Quest KACE Systems Management Appliance (SMA) | 13.2.x before 13.2.183
Quest KACE Systems Management Appliance (SMA) | 14.0.x before 14.0.341 (Patch 5)
Quest KACE Systems Management Appliance (SMA) | 14.1.x before 14.1.101 (Patch 4)

How the Exploit Works

The exploit works by taking advantage of the weakness in the signature validation process implemented by the Quest KACE Systems Management Appliance (SMA). The malicious user, without any authentication, can upload a backup file containing malicious content. Once uploaded, the backup file can be restored, leading to the compromise of the system integrity and potential data leakage.

Conceptual Example Code

Below is a conceptual example of how this vulnerability might be exploited. This is a sample HTTP request that uploads a malicious backup file to the system:

POST /backup/restore HTTP/1.1
Host: target.example.com
Content-Type: application/octet-stream
Content-Length: [length of the backup file]
[binary data of the backup file]

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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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