CVE-2015-2593 in Fusion Middleware
Summary
by MITRE
Unspecified vulnerability in the Oracle Access Manager component in Oracle Fusion Middleware 11.1.2.2 allows remote authenticated users to affect confidentiality and integrity via unknown vectors related to Configuration Service.
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Analysis
by VulDB Data Team • 06/02/2022
The vulnerability identified as CVE-2015-2593 resides within Oracle Access Manager component of Oracle Fusion Middleware version 11.1.2.2, representing a significant security weakness that affects the confidentiality and integrity of system operations. This unspecified flaw operates within the Configuration Service subsystem of Oracle Access Manager, which serves as a critical component for managing access control policies and user authentication mechanisms within enterprise environments. The vulnerability specifically impacts remote authenticated users who possess valid credentials within the system, indicating that the threat actor must already have legitimate access to the platform to exploit this weakness. This characteristic places the vulnerability in the category of privilege escalation or lateral movement attacks where an attacker with existing credentials can leverage this flaw to compromise sensitive data or manipulate system configurations. The Configuration Service component is particularly critical because it manages the core settings that govern how access controls are enforced, making any compromise of this service potentially devastating to the overall security posture of the protected environment.
The technical nature of this vulnerability stems from insufficient validation or protection mechanisms within the Configuration Service module, which allows authenticated users to manipulate configuration parameters in ways that were not intended by the original design. This weakness could potentially enable an attacker to modify access control policies, alter user permissions, or access sensitive configuration data that should remain protected. The unspecified vectors suggest that the vulnerability may involve multiple attack surfaces within the configuration service, possibly including improper input validation, insecure parameter handling, or inadequate access controls for configuration management functions. From a cybersecurity perspective, this vulnerability represents a classic case of inadequate defense in depth, where the system assumes that authenticated users can be trusted without additional verification of their actions. The impact of such a flaw extends beyond simple data integrity concerns as it could allow for privilege escalation, unauthorized access to protected resources, or the complete subversion of access control mechanisms that the Oracle Access Manager is designed to enforce.
The operational impact of CVE-2015-2593 is substantial for organizations utilizing Oracle Fusion Middleware 11.1.2.2, particularly those with complex access control requirements and sensitive data environments. When exploited, this vulnerability could result in unauthorized modification of critical access control policies, potentially allowing attackers to gain elevated privileges or bypass security controls that were specifically implemented to protect enterprise resources. The confidentiality aspect of the vulnerability means that attackers could potentially access configuration data that contains sensitive information about system architecture, user permissions, or security policies that would be valuable for further attacks. Organizations using this version of Oracle Access Manager face significant risk of data breaches or unauthorized access incidents, especially if the system handles sensitive information or serves as a central authentication point for enterprise resources. The vulnerability's remote nature means that attackers can potentially exploit it from external networks without requiring physical access to the system, making it particularly dangerous for organizations that do not maintain strict network segmentation or have robust monitoring in place.
Mitigation strategies for CVE-2015-2593 should prioritize immediate patching of affected systems with Oracle's security updates, as this represents the most effective approach to addressing the underlying vulnerability. Organizations should also implement additional monitoring and logging around configuration service activities to detect any unauthorized modifications or suspicious access patterns that might indicate exploitation attempts. Network segmentation and least privilege access controls should be enforced to limit the potential impact if an attacker successfully exploits this vulnerability, ensuring that even if one system is compromised, the attacker cannot easily move laterally through the network. Security teams should conduct thorough audits of access control policies and configuration settings to identify any unauthorized changes that might have occurred during the vulnerability's active period. The vulnerability aligns with several ATT&CK techniques including privilege escalation and defense evasion, making it important for organizations to review their detection capabilities against these attack patterns. From a compliance perspective, this vulnerability would likely trigger requirements under standards such as iso 27001 and pci dss, as it represents a failure to maintain adequate security controls over access management systems. Organizations should also consider implementing additional authentication controls, such as multi-factor authentication for privileged access to configuration services, and establish more rigorous change management processes for configuration modifications.