CVE-2022-25347 in DIAEnergie
Summary
by MITRE • 03/29/2022
Delta Electronics DIAEnergie (All versions prior to 1.8.02.004) is vulnerable to path traversal attacks, which may allow an attacker to write arbitrary files to locations on the file system.
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Analysis
by VulDB Data Team • 04/01/2022
Delta Electronics DIAEnergie software versions prior to 1.8.02.004 contain a critical path traversal vulnerability that exposes the system to unauthorized file manipulation. This vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. The flaw allows attackers to exploit insufficient input validation mechanisms within the application's file handling processes, enabling them to navigate beyond the intended directory structure and access or modify files outside the designated boundaries.
The technical implementation of this vulnerability stems from inadequate sanitization of user-supplied input that is processed by the application's file operations. When the software receives file path parameters from external sources, it fails to properly validate or filter these inputs before using them in file system operations. This weakness enables attackers to craft malicious input sequences that contain directory traversal characters such as ../ or ..\, which when processed by the vulnerable application can result in unintended file system access. The vulnerability specifically impacts the file writing functionality, allowing attackers to write arbitrary files to arbitrary locations on the system's file structure.
The operational impact of this vulnerability is severe and multifaceted, potentially enabling attackers to execute a range of malicious activities including but not limited to arbitrary code execution, privilege escalation, and data exfiltration. An attacker could leverage this vulnerability to overwrite critical system files, inject malicious code into legitimate applications, or create backdoor access points within the system. The implications extend beyond simple file manipulation as this vulnerability could be exploited to compromise the entire system integrity, particularly in industrial control environments where DIAEnergie is commonly deployed for energy management and monitoring purposes. The vulnerability's potential for remote exploitation makes it particularly dangerous in networked environments where unauthorized access could occur without physical presence.
Security professionals should implement immediate mitigations including upgrading to version 1.8.02.004 or later, which contains the necessary patches to address the path traversal vulnerability. Network segmentation and access controls should be enforced to limit exposure of affected systems, while input validation mechanisms should be strengthened to prevent malicious path traversal sequences from being processed. System monitoring should be enhanced to detect unusual file system activities that may indicate exploitation attempts. Organizations should also consider implementing the principle of least privilege to minimize the potential impact of successful exploitation, ensuring that affected applications operate with minimal necessary permissions. The vulnerability aligns with ATT&CK technique T1059.007 for command and script interpreter, as exploitation may involve executing malicious code through manipulated file operations, and T1566 for spearphishing, as attackers may use social engineering to gain initial access before leveraging this path traversal vulnerability for further system compromise.