CVE-2018-17211 in PrinterOn Central Print Services
Summary
by MITRE
An issue was discovered in PrinterOn Central Print Services (CPS) through 4.1.4. An unauthenticated attacker can view details about the printers associated with CPS via a crafted HTTP GET request.
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Analysis
by VulDB Data Team • 11/13/2023
The vulnerability identified as CVE-2018-17211 affects PrinterOn Central Print Services version 4.1.4 and earlier, representing a critical information disclosure flaw that undermines the security posture of print management systems. This issue stems from insufficient access controls within the CPS application, allowing any unauthenticated user to exploit a weakness in the HTTP GET request handling mechanism to retrieve sensitive printer configuration data. The flaw exists in the web application layer where printer details are exposed without proper authentication checks, creating a significant attack surface that could be leveraged by malicious actors to gather intelligence about networked printing infrastructure. Such information disclosure vulnerabilities are particularly dangerous in enterprise environments where printer systems often contain sensitive configuration details, network addresses, and operational parameters that could facilitate further attacks.
The technical implementation of this vulnerability resides in the application's failure to enforce proper authentication mechanisms when processing HTTP GET requests directed at printer information endpoints. Attackers can craft specific URL patterns that bypass authentication requirements and directly access printer configuration databases or API endpoints that should only be accessible to authorized administrators. This represents a classic case of inadequate input validation and access control enforcement, where the application assumes all requests are legitimate and fails to verify the identity of requestors before serving sensitive data. The vulnerability is classified under CWE-284, which specifically addresses improper access control issues, and aligns with ATT&CK technique T1082 for system information discovery and T1046 for network service scanning. The flaw demonstrates poor security by design principles where the application architecture fails to implement proper authorization checks at the application layer.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposed printer details could enable attackers to map network topologies, identify critical printing infrastructure, and potentially discover additional attack vectors within the environment. Print servers often contain sensitive information such as printer models, IP addresses, network configurations, and sometimes even user authentication details that could be exploited to compromise the broader network. An attacker could use this information to plan more sophisticated attacks including printer-specific exploits, network reconnaissance, or privilege escalation attempts. The vulnerability affects organizations that rely on PrinterOn CPS for managing their printing infrastructure, potentially exposing hundreds or thousands of printers to unauthorized access. This could result in unauthorized print job submissions, data leakage through print queues, or even lateral movement within the network through printer management interfaces that may have elevated privileges.
Organizations should implement immediate mitigations including updating to PrinterOn CPS version 4.1.5 or later, which contains the necessary patches to address the authentication bypass vulnerability. Network segmentation should be enforced to isolate print server infrastructure from general network access, while implementing proper firewall rules to restrict access to printer management interfaces. Web application firewalls should be configured to monitor and block suspicious HTTP GET requests targeting printer information endpoints. Regular security audits should be conducted to ensure that no other similar vulnerabilities exist within the print management infrastructure, and access controls should be reviewed to ensure proper principle of least privilege is enforced. Additionally, organizations should implement network monitoring solutions that can detect unusual patterns of access to printer management interfaces, and establish incident response procedures to handle potential exploitation of this vulnerability. The remediation efforts should also include educating administrators about the importance of keeping print management software updated and maintaining proper access controls for sensitive network services.