CVE-2025-4632 in MagicINFO 9 Server
Summary
by MITRE • 05/13/2025
Improper limitation of a pathname to a restricted directory vulnerability in Samsung MagicINFO 9 Server version before 21.1052 allows attackers to write arbitrary file as system authority.
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Analysis
by VulDB Data Team • 10/22/2025
The vulnerability identified as CVE-2025-4632 represents a critical improper limitation of a pathname to a restricted directory flaw within Samsung MagicINFO 9 Server software. This issue affects versions prior to 21.1052 and exposes the system to arbitrary file write operations executed with system-level privileges. The vulnerability stems from inadequate input validation and path traversal controls within the server's file handling mechanisms, creating a pathway for malicious actors to bypass normal access restrictions and gain elevated system control.
This technical weakness falls under the category of CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which is a well-documented vulnerability pattern in software security. The flaw enables attackers to manipulate file paths through insufficient sanitization of user-supplied input, allowing them to traverse directory structures beyond intended boundaries. In the context of Samsung MagicINFO 9 Server, this vulnerability manifests when the system processes file operations without proper validation of pathname components, potentially permitting attackers to write files to critical system directories.
The operational impact of this vulnerability is severe and multifaceted. Attackers can leverage this weakness to execute arbitrary file write operations with system authority, potentially leading to complete system compromise. The ability to write files as system user creates opportunities for privilege escalation, malware deployment, and persistent backdoor establishment. In enterprise environments where MagicINFO 9 Server manages digital signage and content delivery, this vulnerability could result in unauthorized content modification, service disruption, and potential data exfiltration. The attack surface extends beyond immediate system compromise to include potential lateral movement within network infrastructures where the server operates.
Security professionals should implement immediate mitigations including upgrading to Samsung MagicINFO 9 Server version 21.1052 or later, which contains the necessary patches to address the pathname limitation issue. Additionally, network segmentation and access controls should be enforced to limit exposure of the vulnerable server to untrusted networks. Input validation controls should be strengthened at all points where file paths are processed, implementing proper sanitization and normalization techniques. Monitoring systems should be configured to detect unusual file creation patterns and unauthorized access attempts to critical system directories. The vulnerability aligns with ATT&CK technique T1059 - Command and Scripting Interpreter and T1486 - Data Encrypted for Impact, as attackers could leverage this weakness to establish persistent access and potentially encrypt system data. Organizations should also consider implementing principle of least privilege controls and regular security assessments to identify similar path traversal vulnerabilities in other applications and systems within their infrastructure.