CVE-2018-19936 in PrinterOn Enterprise
Summary
by MITRE
PrinterOn Enterprise 4.1.4 allows Arbitrary File Deletion.
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Analysis
by VulDB Data Team • 04/21/2020
The vulnerability identified as CVE-2018-19936 affects PrinterOn Enterprise version 4.1.4 and represents a critical arbitrary file deletion flaw that exposes systems to potential compromise. This vulnerability resides within the enterprise printing management software ecosystem and demonstrates a fundamental lack of proper input validation and access control mechanisms. The flaw enables authenticated attackers with limited privileges to manipulate the system's file deletion functionality, potentially allowing them to remove critical system files or user data. The vulnerability's impact extends beyond simple file deletion as it can be leveraged to disrupt system operations, escalate privileges, or create backdoor access points within the network infrastructure.
Technical exploitation of this vulnerability occurs through improper sanitization of user-supplied input within the file deletion routines of the PrinterOn Enterprise application. The system fails to validate file paths or implement adequate access controls before executing deletion commands, creating a path traversal or command injection scenario. Attackers can craft malicious requests that bypass normal file system permissions and delete files from arbitrary locations on the target system. This vulnerability directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, and CWE-77, which addresses command injection vulnerabilities. The flaw essentially allows attackers to execute destructive operations against the file system without proper authorization checks, making it particularly dangerous in enterprise environments where multiple users interact with the printing infrastructure.
The operational impact of CVE-2018-19936 in enterprise environments can be devastating, particularly when considering the critical role that printing systems play in business operations. Organizations may experience service disruptions, data loss, and potential system compromise when attackers exploit this vulnerability. The attack surface is broad as the vulnerability affects enterprise-level printing solutions that often integrate with various network services and databases. In environments where the PrinterOn Enterprise software manages print queues for hundreds or thousands of users, attackers can cause widespread disruption by deleting essential system files or configuration data. This vulnerability aligns with ATT&CK technique T1485, which covers data destruction, and T1078, which covers valid accounts, as attackers can leverage legitimate user credentials to exploit the vulnerability.
Mitigation strategies for CVE-2018-19936 should include immediate patching of the PrinterOn Enterprise software to the latest available version that addresses the arbitrary file deletion flaw. Organizations must implement proper input validation and access control measures within their printing infrastructure to prevent unauthorized file manipulation. Network segmentation and privileged access controls should be enforced to limit the scope of potential exploitation. System administrators should conduct thorough security audits of their printing environments and implement monitoring solutions to detect anomalous file deletion activities. The vulnerability highlights the importance of secure coding practices and proper authentication mechanisms within enterprise applications, particularly those handling sensitive data and system resources. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other enterprise software components. Organizations should also consider implementing file integrity monitoring solutions that can alert administrators to unauthorized file deletion events, providing early detection capabilities for potential exploitation attempts.