CVE-2006-0227 in Solaris
Summary
by MITRE
Multiple unspecified vulnerabilities in lpsched in Sun Solaris 8, 9, and 10 allow local users to delete arbitrary files or disable the LP print service via unknown attack vectors.
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Analysis
by VulDB Data Team • 06/23/2025
The vulnerability identified as CVE-2006-0227 represents a critical security flaw within the lpsched component of Sun Solaris operating systems versions 8, 9, and 10. This issue affects the Line Printer Daemon (LP) print service which is fundamental to print management operations across these enterprise systems. The lpsched process serves as the central scheduler for print jobs and manages the communication between print clients and printers, making it a crucial component for system functionality and security posture.
The technical nature of this vulnerability stems from unspecified flaws within the lpsched daemon that enable local users to exploit weaknesses in the print service architecture. These unspecified vulnerabilities typically manifest as insufficient input validation, improper privilege handling, or flawed access controls within the scheduling component. The attack vectors remain unspecified, suggesting that multiple pathways exist for exploitation, potentially including buffer overflows, privilege escalation mechanisms, or file system manipulation routines that were not fully documented in the initial vulnerability report.
From an operational impact perspective, this vulnerability creates significant risks for organizations relying on Solaris systems for their print infrastructure. Local users who gain access to these systems can potentially delete arbitrary files within the print service directories, which may include print job queues, configuration files, or system logs. Additionally, the ability to disable the LP print service renders the entire print infrastructure non-functional, causing operational disruptions that can affect business processes dependent on printing capabilities. This vulnerability particularly threatens environments where multiple users share system resources and where privileged access is not strictly controlled.
The exploitation of this vulnerability aligns with several ATT&CK techniques including privilege escalation and service stoppage, while also potentially mapping to CWE categories related to improper input validation and insufficient access control. Organizations should consider implementing comprehensive monitoring of print service activities and file system changes in affected systems. The vulnerability demonstrates the importance of maintaining up-to-date system patches and the need for proper access controls to limit local user privileges. Mitigation strategies should include immediate patch deployment from Oracle, implementation of least privilege principles for print service accounts, and regular security assessments of print infrastructure components. System administrators should also establish monitoring procedures to detect unauthorized modifications to print service configurations and file deletions that could indicate exploitation attempts.