CVE-2025-3363 in iSherlock
Summary
by MITRE • 04/08/2025
The web service of iSherlock from HGiga has an OS Command Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary OS commands and execute them on the server.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 04/08/2025
The vulnerability identified as CVE-2025-3363 affects the web service component of iSherlock, a product developed by HGiga, and represents a critical operating system command injection flaw that exposes the system to unauthenticated remote exploitation. This vulnerability resides within the web service interface and allows attackers to execute arbitrary operating system commands on the affected server without requiring any authentication credentials. The flaw stems from insufficient input validation and sanitization mechanisms within the web service implementation, creating a pathway for malicious command injection attacks that can compromise the entire system.
The technical nature of this vulnerability aligns with CWE-77 and CWE-88 within the Common Weakness Enumeration framework, specifically categorizing as an operating system command injection vulnerability where user-supplied input is directly incorporated into system commands without proper sanitization. Attackers can exploit this weakness by crafting malicious input that gets processed by the web service and subsequently executed as operating system commands on the server. This type of vulnerability typically occurs when application developers concatenate user input directly into command execution functions without adequate validation or escaping mechanisms.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected server. Successful exploitation can lead to unauthorized data access, data modification, system compromise, and potential lateral movement within the network. Attackers may leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive information, deploy additional malware, or use the compromised system as a launching point for further attacks against other network resources. The unauthenticated nature of the exploit means that any remote attacker can potentially exploit this vulnerability without requiring valid credentials, making it particularly dangerous in exposed web service environments.
Mitigation strategies for CVE-2025-3363 should focus on implementing robust input validation and sanitization measures within the web service component. Organizations should immediately apply vendor-provided patches or updates if available, and implement proper command injection prevention techniques such as parameterized queries, input escaping, and the principle of least privilege for command execution. Network segmentation and firewall rules should be implemented to restrict access to the affected web service, while monitoring and logging mechanisms should be enhanced to detect suspicious command execution patterns. The vulnerability also highlights the importance of following secure coding practices and conducting regular security assessments to identify and remediate similar weaknesses in application code. Organizations should consider implementing web application firewalls and intrusion detection systems to help detect and prevent exploitation attempts. This vulnerability demonstrates the critical importance of validating all user input and avoiding direct command execution with user-supplied data, as outlined in the MITRE ATT&CK framework under the command and control tactics and techniques.