CVE-2006-0592 in Printer Sharing
Summary
by MITRE
Unspecified vulnerability in the Lexmark Printer Sharing LexBce Server Service (LexPPS), possibly 8.29 and 9.41, allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: This information is based on a vague initial disclosure; details will be updated after the grace period has ended.
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Analysis
by VulDB Data Team • 08/01/2017
The vulnerability identified as CVE-2006-0592 affects the Lexmark Printer Sharing LexBce Server Service component known as LexPPS which is part of Lexmark printer sharing software versions 8.29 and 9.41. This represents a critical security flaw within printer network services that could potentially allow unauthorized remote code execution. The vulnerability exists within the server service responsible for printer sharing functionality and operates at the network level where printer services communicate with client systems. The unspecified nature of the attack vectors suggests that multiple pathways could potentially be exploited, making the vulnerability particularly concerning from a security perspective.
This vulnerability falls under the category of remote code execution flaws that are classified as CWE-119 in the Common Weakness Enumeration system, representing weaknesses in memory handling that can lead to arbitrary code execution. The LexPPS service operates as a network daemon that handles printer sharing requests and configuration updates, making it a prime target for attackers seeking to compromise printer networks. The service likely processes incoming network requests without adequate input validation or access control mechanisms, creating opportunities for malicious actors to inject and execute arbitrary code on affected systems. The vulnerability's remote exploitability means that attackers do not require physical access to the printer or local network presence to carry out successful attacks.
The operational impact of this vulnerability extends beyond simple code execution, as it could enable attackers to gain full control over affected printer systems and potentially use them as stepping stones for broader network infiltration. Printer sharing services often operate with elevated privileges and may have access to sensitive network resources, making them attractive targets for attackers seeking to establish persistent access or conduct lateral movement within corporate networks. The vulnerability could allow for the installation of backdoors, modification of printer configurations, or use of compromised printers as pivoting points for attacking other networked systems. Network administrators should consider the potential for this vulnerability to serve as an entry point for more sophisticated attacks, particularly in environments where printer networks are not properly segmented from critical business systems.
Mitigation strategies for this vulnerability should include immediate deployment of vendor patches or updates when available, as well as network segmentation to isolate printer sharing services from critical business networks. The principle of least privilege should be enforced by limiting access to printer sharing services to authorized users only and implementing proper network access controls. Security monitoring should be enhanced to detect unusual network traffic patterns or unauthorized access attempts to printer services, with particular attention to any unexpected code execution attempts. Organizations should also consider disabling printer sharing services when not actively needed and implementing regular vulnerability assessments to identify similar weaknesses in other networked devices. The ATT&CK framework categorizes such vulnerabilities under T1059 for command and control execution, highlighting the importance of monitoring for suspicious code execution patterns and maintaining proper network visibility to detect potential exploitation attempts.