CVE-2016-5565 in Hospitality OPERA 5 Property Services
Summary
by MITRE
Unspecified vulnerability in the Oracle Hospitality OPERA 5 Property Services component in Oracle Hospitality Applications 5.4.0.0 through 5.4.3.0, 5.5.0.0, and 5.5.1.0 allows remote authenticated users to affect confidentiality via vectors related to OPERA.
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Analysis
by VulDB Data Team • 09/27/2022
The vulnerability identified as CVE-2016-5565 resides within the Oracle Hospitality OPERA 5 Property Services component, specifically affecting a critical subset of Oracle Hospitality Applications versions ranging from 5.4.0.0 through 5.4.3.0, as well as 5.5.0.0 and 5.5.1.0. This represents a significant security weakness in hospitality management software that serves hotels and resorts worldwide, where the affected component handles core property services operations. The vulnerability manifests as an unspecified weakness that enables remote authenticated users to compromise confidentiality, indicating that an attacker who has gained legitimate access credentials can exploit this flaw to gain unauthorized access to sensitive data within the system. Such a vulnerability directly impacts the integrity of hospitality operations where guest information, reservation details, financial records, and operational data are stored and processed.
The technical nature of this vulnerability falls under the category of confidentiality impact, suggesting that unauthorized data disclosure occurs through the exploitation of the OPERA component. While the exact technical mechanism remains unspecified in the CVE description, the classification indicates that the flaw likely involves improper access controls, inadequate data encryption, or flawed authentication mechanisms within the property services module. The fact that this vulnerability requires authentication but allows for remote exploitation suggests that it may involve privilege escalation or information disclosure within the authenticated session context. This aligns with common patterns found in CWE-284 (Improper Access Control) and CWE-312 (Sensitive Data Exposure) categories, where unauthorized access to sensitive information occurs due to inadequate security controls within application components.
The operational impact of this vulnerability extends beyond simple data theft, as it threatens the fundamental security posture of hospitality organizations that rely on Oracle Hospitality OPERA for their property management systems. Hotels and resorts using affected versions may experience unauthorized access to guest personal information, reservation data, billing records, and other sensitive operational details that could be exploited for financial fraud, identity theft, or competitive intelligence gathering. The remote nature of the attack vector means that threat actors can potentially exploit this vulnerability from outside the organization's network, making it particularly dangerous for businesses that may not have adequate network segmentation or monitoring in place. This vulnerability also represents a significant risk to compliance with industry standards such as pci dss for payment card data and gdpr for personal data protection, as unauthorized access to sensitive information could result in regulatory penalties and legal consequences.
Organizations affected by this vulnerability should prioritize immediate remediation through official Oracle patches and updates, as the vulnerability affects multiple versions of the software and represents a persistent risk to data confidentiality. The remediation process should include thorough testing of patches in development environments before deployment to production systems to ensure operational continuity. Additional mitigations may include enhanced network monitoring, implementation of stricter access controls, and regular security assessments of the hospitality management infrastructure. Organizations should also consider implementing data loss prevention measures and encryption protocols for sensitive data at rest and in transit to reduce the potential impact of similar vulnerabilities. The vulnerability highlights the importance of maintaining current security patches for enterprise applications and demonstrates how seemingly isolated component flaws can have far-reaching consequences for entire organizations relying on integrated hospitality management solutions.