CVE-2016-5564 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, integrity, and availability via vectors related to OPERA.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 09/27/2022
The vulnerability identified as CVE-2016-5564 affects the Oracle Hospitality OPERA 5 Property Services component within the broader Oracle Hospitality Applications suite. This critical security flaw exists in specific versions including 5.4.0.0 through 5.4.3.0, as well as 5.5.0.0 and 5.5.1.0, representing a significant risk to hospitality organizations relying on this property management system. The vulnerability operates within the context of a remote authenticated attack scenario, meaning that an attacker must first establish legitimate credentials to exploit the flaw, though this initial requirement does not diminish the severity of potential impact. The affected component specifically relates to OPERA 5 Property Services, which serves as a core backend system for property management operations including guest reservation handling, room assignments, and financial transaction processing.
The technical nature of this vulnerability manifests through unspecified vectors that impact all three fundamental pillars of information security confidentiality, integrity, and availability. While the exact technical mechanism remains unspecified in the public CVE description, such broad impact indicators typically suggest a weakness in access controls, authentication mechanisms, or data processing functions within the OPERA property services module. The vulnerability likely resides in how the system handles authenticated requests or processes sensitive data, potentially allowing an attacker with valid credentials to manipulate system behavior beyond normal operational boundaries. This type of flaw represents a serious design or implementation weakness that could enable data breaches, system corruption, or service disruption depending on the specific exploitation vector. The unspecified nature of the vulnerability vectors suggests either a complex or multiple attack paths that could affect various aspects of the system's functionality.
The operational impact of CVE-2016-5564 extends far beyond simple technical disruption, potentially compromising entire hospitality operations and customer data integrity. Organizations utilizing affected versions of Oracle Hospitality OPERA face significant risks including unauthorized access to guest reservation data, manipulation of room availability status, financial transaction tampering, and potential system outages that could affect daily operations. The confidentiality aspect poses particular risk to guest personal information, payment details, and reservation histories that are core to hospitality business operations. Integrity concerns could lead to inaccurate room assignments, billing errors, or manipulation of guest profiles that would directly impact service delivery quality. Availability threats could result in system downtime during peak booking periods, potentially leading to revenue loss and customer dissatisfaction. Given that this vulnerability affects property management systems, the attack surface includes critical business processes that directly impact revenue generation and customer satisfaction metrics.
Organizations affected by CVE-2016-5564 should implement immediate mitigation strategies focusing on both preventive and detective controls. The primary recommendation involves applying the official Oracle security patches and updates released to address this vulnerability, which would typically be available through Oracle's security alert system or My Oracle Support. Network segmentation and access control measures should be reinforced to limit the scope of potential exploitation, particularly restricting access to the OPERA property services component to authorized personnel only. Enhanced monitoring and logging should be implemented to detect unusual authentication patterns or unauthorized access attempts within the system. Security audits should examine the configuration of authentication mechanisms and access controls within the OPERA environment to identify any additional weaknesses that could compound the risk. The vulnerability aligns with CWE-284 (Improper Access Control) and may exhibit characteristics consistent with ATT&CK technique T1078 (Valid Accounts) and T1499 (Endpoint Denial of Service) depending on the specific exploitation method. Organizations should also consider implementing additional security controls such as privileged access management solutions and regular security assessments to prevent similar vulnerabilities from emerging in the future.