CVE-2015-2631 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 10 and 11.2 allows local users to affect confidentiality, integrity, and availability via unknown vectors related to rmformat.
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Analysis
by VulDB Data Team • 06/02/2022
The vulnerability identified as CVE-2015-2631 represents a significant security flaw within Oracle Sun Solaris operating systems affecting versions 10 and 11.2. This issue resides within the rmformat component which is responsible for managing disk formatting operations in the solaris environment. The unspecified nature of the vulnerability vector makes it particularly concerning as it could potentially encompass multiple attack surfaces or exploitation methods that were not fully disclosed at the time of reporting. The vulnerability's classification as affecting confidentiality, integrity, and availability indicates a comprehensive impact on the system's security posture, suggesting that local attackers could potentially compromise all three core security principles simultaneously.
The technical flaw manifests within the rmformat utility which is part of the solaris system administration tools. This component handles the removal and formatting of disk partitions and volumes, making it a critical element in system storage management. The vulnerability likely stems from improper input validation, insufficient access controls, or memory management issues within the rmformat implementation. Given that this is a local privilege escalation vulnerability, attackers would need to already have access to the system but could potentially leverage this flaw to gain elevated privileges or cause system instability. The attack surface is particularly dangerous because rmformat operations typically require elevated privileges, making any exploitation potentially devastating.
From an operational impact perspective, this vulnerability creates substantial risk for organizations running affected solaris versions. Local users who can execute commands on the system could exploit this flaw to compromise the integrity of storage operations, potentially leading to data corruption, unauthorized data access, or complete system availability disruption. The confidentiality aspect suggests that sensitive data could be exposed through this vulnerability, while the integrity impact indicates that system data or configuration files could be modified without proper authorization. The availability component means that attackers could potentially cause system crashes or render storage subsystems unusable, leading to service disruption.
Security professionals should approach this vulnerability with immediate priority given its potential for affecting all security pillars. The remediation strategy should focus on applying Oracle's official security patches and updates as soon as they become available. System administrators should also consider implementing additional monitoring around rmformat operations and access controls to detect any anomalous behavior. This vulnerability aligns with CWE-20, which describes improper input validation, and could potentially map to ATT&CK techniques involving privilege escalation and defense evasion. Organizations should also review their system access controls and implement principle of least privilege configurations to limit potential exploitation. The vulnerability demonstrates the critical importance of maintaining up-to-date system patches and proper access control mechanisms in enterprise environments where solaris systems are deployed.