CVE-2015-0397 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11 allows local users to affect availability via unknown vectors related to File System, a different vulnerability than CVE-2014-6570 and CVE-2014-6600.
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Analysis
by VulDB Data Team • 03/05/2022
The vulnerability identified as CVE-2015-0397 represents a significant security flaw within Oracle Sun Solaris 11 operating system that specifically targets the file system component. This issue falls under the category of local privilege escalation vulnerabilities where malicious actors with local access can potentially compromise system availability. The vulnerability is particularly concerning because it operates through unspecified vectors that relate directly to file system operations, making it distinct from other known vulnerabilities such as CVE-2014-6570 and CVE-2014-6600 which address different attack surfaces within the same operating system.
The technical nature of this vulnerability suggests that it exploits weaknesses within the file system implementation that could allow local users to manipulate system resources in ways that affect overall system availability. While the exact technical details remain unspecified in the CVE description, such vulnerabilities typically involve improper input validation, buffer overflows, or privilege escalation mechanisms within file system operations. The classification as a local vulnerability means that attackers must already have some level of access to the system, often through legitimate user accounts or services, before they can exploit this weakness. This characteristic places the vulnerability within the context of the CWE-264 weakness category, which encompasses privileges, permissions, and access control issues that are fundamental to operating system security.
From an operational impact perspective, this vulnerability poses a serious threat to system stability and availability within Solaris 11 environments. Local users who successfully exploit this weakness could potentially cause denial of service conditions, system crashes, or other availability disruptions that would affect legitimate system operations. The indirect nature of the attack vector means that organizations must consider both the immediate threat to system availability and the broader implications for data integrity and service continuity. The vulnerability's relationship to file system operations suggests that it could potentially be leveraged to corrupt critical system files, manipulate access controls, or disrupt normal file system behavior that underpins application functionality and user access.
Security practitioners should approach this vulnerability through the lens of the ATT&CK framework, particularly focusing on the privilege escalation and defense evasion tactics that could be employed by attackers. The local nature of the vulnerability aligns with techniques such as "Exploitation for Privilege Escalation" and "File and Directory Permissions Modification" within the ATT&CK matrix. Organizations implementing Solaris 11 systems should prioritize patch management procedures to address this vulnerability, as well as implement monitoring mechanisms to detect unusual file system activity that might indicate exploitation attempts. The vulnerability's classification as unspecified suggests that organizations should maintain heightened awareness and implement proactive security measures including regular system audits, privilege reviews, and network segmentation to limit potential impact from local exploitation attempts.
Mitigation strategies should include immediate deployment of Oracle's security patches and updates as released for this vulnerability, along with comprehensive system hardening procedures. Network administrators should implement least privilege access controls to minimize the potential impact of local users who might attempt to exploit this weakness. Regular security assessments and vulnerability scanning should be conducted to identify any potential exploitation attempts. Additionally, system logging should be configured to capture file system access patterns and privilege changes that could indicate exploitation attempts. Organizations should also consider implementing intrusion detection systems that can monitor for anomalous file system behavior patterns that might suggest exploitation of this vulnerability, while maintaining compliance with industry standards such as those outlined in the NIST Cybersecurity Framework and ISO 27001 security management practices.