CVE-2025-3842 in DS-Java
Summary
by MITRE • 04/22/2025
A vulnerability was found in panhainan DS-Java 1.0 and classified as critical. This issue affects the function uploadUserPic.action of the file src/com/phn/action/FileUpload.java. The manipulation of the argument fileUpload leads to code injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 10/16/2025
The vulnerability identified as CVE-2025-3842 represents a critical security flaw in panhainan DS-Java 1.0 software, specifically within the uploadUserPic.action function located in src/com/phn/action/FileUpload.java. This weakness constitutes a code injection vulnerability that arises from inadequate input validation and sanitization of the fileUpload parameter, creating a significant attack surface for malicious actors. The flaw resides in the application's file upload handling mechanism, where user-supplied data is directly processed without proper security controls, allowing attackers to execute arbitrary code on the affected system.
The technical exploitation of this vulnerability occurs through remote code execution via the fileUpload argument, which enables attackers to inject malicious code into the target system. This type of vulnerability aligns with CWE-94, which describes "Improper Control of Generation of Code" and falls under the broader category of code injection attacks. The attack vector is particularly dangerous because it can be initiated remotely without requiring physical access to the system, making it highly attractive to threat actors. The fact that the exploit has been publicly disclosed increases the risk significantly, as it provides attackers with ready-made tools and techniques to compromise affected systems.
The operational impact of this vulnerability extends beyond simple code execution, as it can lead to complete system compromise, data theft, and potential lateral movement within network environments. Attackers can leverage this vulnerability to establish persistent backdoors, escalate privileges, and gain unauthorized access to sensitive information stored within the application. The remote exploit capability means that organizations cannot rely on network segmentation or physical security measures alone to protect against this threat. From an attack framework perspective, this vulnerability maps to multiple ATT&CK techniques including T1059.007 for command and script interpreter, T1078 for valid accounts, and T1566 for spearphishing with a malicious attachment, as the compromised system could serve as a launchpad for further attacks.
Organizations utilizing panhainan DS-Java 1.0 must implement immediate mitigations including input validation and sanitization of all file upload parameters, implementation of proper file type restrictions, and deployment of web application firewalls to detect and block malicious upload attempts. The fix should involve comprehensive code review and remediation of the FileUpload.java file to ensure that all user-supplied data is properly validated and sanitized before processing. Additionally, organizations should conduct thorough penetration testing and vulnerability assessments to identify any additional attack vectors within the application. Security controls should include mandatory file content validation, size restrictions, and implementation of secure file storage practices to prevent malicious code execution. Regular security updates and patch management procedures should be established to address similar vulnerabilities in the future. The vulnerability also necessitates enhanced monitoring of file upload activities and implementation of intrusion detection systems to identify potential exploitation attempts.