CVE-2011-2292 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Solaris 9 and 11 Express allows local users to affect confidentiality and integrity via unknown vectors related to xscreensaver.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2011-2292 resides within Oracle Solaris operating systems versions 9 and 11 Express, specifically manifesting in the xscreensaver component which serves as a screen protection utility. This unspecified weakness represents a significant security gap that local attackers can exploit to compromise both the confidentiality and integrity of system resources, though the exact technical mechanism remains undisclosed. The xscreensaver utility, which manages screen locking and authentication timeouts, becomes a potential attack surface where malicious local users can manipulate system behavior to access sensitive data or modify system configurations without proper authorization.
The technical nature of this vulnerability aligns with common security flaws found in system utilities where insufficient input validation or privilege escalation mechanisms exist. According to CWE classification systems, such vulnerabilities often map to categories involving insufficient privilege management, inadequate input sanitization, or improper access control mechanisms. The fact that this affects local users indicates that the vulnerability likely involves privilege escalation or manipulation of system components that should only be accessible to authorized processes or administrators. The unspecified nature of the vector suggests that the attack could potentially involve multiple pathways including buffer overflows, race conditions, or manipulation of system calls that xscreensaver utilizes to function properly.
From an operational perspective, this vulnerability poses substantial risk to Solaris environments where local user access exists, particularly in multi-user systems or shared computing environments. Local attackers who already possess system login credentials can leverage this weakness to gain unauthorized access to sensitive information or modify system configurations that impact overall system integrity. The impact on confidentiality means that attackers could potentially access protected data or system information that should remain private, while the integrity compromise allows for unauthorized modification of system parameters or configurations. This vulnerability represents a critical concern for organizations that rely on Solaris systems for mission-critical operations where maintaining data confidentiality and system integrity are paramount.
The attack surface for this vulnerability extends beyond simple privilege escalation to include potential data exfiltration or system modification scenarios. Given that xscreensaver is a commonly used utility in desktop environments, the attack vector could involve manipulation of screen locking behavior to create unauthorized access windows or exploitation of the utility's interaction with other system components. Security professionals should consider this vulnerability in the context of broader attack patterns found in the ATT&CK framework, particularly those involving privilege escalation and credential access. Organizations should implement immediate mitigations including system updates, access controls, and monitoring for unauthorized modifications to screen protection utilities. The vulnerability highlights the importance of maintaining current security patches and conducting regular security assessments of system utilities that may not receive the same level of security attention as core operating system components.