CVE-2013-0414 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11 allows local users to affect integrity and availability via unknown vectors related to Utility/ksh93.
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Analysis
by VulDB Data Team • 12/29/2024
The vulnerability identified as CVE-2013-0414 represents a significant security weakness within Oracle Sun Solaris 11 operating system, specifically affecting the ksh93 shell utility. This local privilege escalation flaw enables authenticated attackers with shell access to potentially compromise system integrity and availability through unspecified attack vectors. The vulnerability resides within the utility/ksh93 component, which serves as a critical shell implementation in the Solaris environment and forms part of the broader shell ecosystem that governs user interaction with the operating system. The ksh93 shell, being a sophisticated Bourne shell derivative, handles command execution, script processing, and system interaction tasks that make it a prime target for exploitation attempts.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the ksh93 utility implementation. Attackers exploiting this weakness can manipulate system resources and potentially escalate privileges to gain administrative control over affected systems. The unspecified nature of the attack vectors suggests that multiple pathways exist for exploitation, including but not limited to command injection, environment variable manipulation, or improper privilege handling during shell operations. These attack surfaces align with common security weaknesses documented in the CWE database under categories related to improper input validation and privilege escalation vulnerabilities. The vulnerability's classification as local in nature indicates that exploitation requires prior authentication, but once achieved, the impact can be severe as it allows attackers to compromise the fundamental integrity of the operating system.
The operational impact of CVE-2013-0414 extends beyond simple availability disruption to encompass complete system compromise through integrity violations. Local users with shell access can potentially modify critical system files, manipulate process execution, and undermine the trust model that Solaris relies upon for security. This vulnerability particularly affects organizations running Solaris 11 systems where multiple users have shell access or where system administrators have not properly configured access controls. The availability aspect of the vulnerability means that attackers can potentially cause system instability or denial of service conditions through resource exhaustion or process manipulation. Security frameworks such as the ATT&CK methodology would categorize this vulnerability under privilege escalation techniques, specifically targeting the shell and command execution components. Organizations may experience unauthorized access to sensitive data, system manipulation, and potential lateral movement within their network infrastructure.
Mitigation strategies for CVE-2013-0414 should prioritize immediate patch application from Oracle, as the vendor would have released security updates addressing the specific implementation flaws within ksh93. System administrators should implement comprehensive access control measures, including limiting shell access to authorized personnel only and employing privilege separation techniques. Additional protective measures include regular monitoring of system logs for suspicious shell activity, implementing host-based intrusion detection systems, and conducting periodic security assessments of shell utilities and user access permissions. The vulnerability highlights the importance of maintaining current security patches and following the principle of least privilege in system administration practices. Organizations should also consider implementing network segmentation to limit the potential impact of successful exploitation attempts and establish robust incident response procedures for handling local privilege escalation attacks. Compliance with security standards such as those outlined in the NIST Cybersecurity Framework becomes critical when addressing vulnerabilities of this nature, particularly in enterprise environments where Solaris systems remain operational.