CVE-2017-3569 in Hospitality OPERA 5 Property Services
Summary
by MITRE
Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications (subcomponent: OPERA Business Events). Supported versions that are affected are 5.4.0.x, 5.4.1.x, 5.4.2.x, 5.4.3.x, 5.5.0.x and 5.5.1.x. Easily "exploitable" vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The vulnerability identified as CVE-2017-3569 resides within the Oracle Hospitality OPERA 5 Property Services component, specifically within the OPERA Business Events subcomponent of the broader Oracle Hospitality Applications suite. This security flaw affects multiple versions including 5.4.0.x through 5.4.3.x and 5.5.0.x through 5.5.1.x, representing a significant attack surface within hospitality management systems. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can leverage this weakness, making it particularly concerning for organizations relying on these systems for critical operations.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the OPERA Business Events functionality. Attackers with low privileges and network access via HTTP can exploit this weakness to gain unauthorized access to the underlying property services. The vulnerability's CVSS 3.0 score of 5.4 reflects moderate severity, with equal emphasis on confidentiality and integrity impacts. The attack vector AV:N indicates network-based exploitation, while AC:L suggests the attack requires low complexity. The PR:L classification shows that only low privilege access is needed, making this vulnerability accessible to users with minimal system permissions.
The operational impact of this vulnerability extends beyond simple data access issues, as successful exploitation can result in unauthorized modification of critical hospitality data through update, insert, or delete operations. Additionally, attackers can gain unauthorized read access to sensitive subsets of data within the system, potentially exposing guest information, reservation details, financial records, and other proprietary data. This compromise directly affects the integrity and confidentiality of the hospitality management system, which could lead to financial losses, regulatory compliance issues, and damage to organizational reputation. The vulnerability's impact on business operations is significant given that OPERA systems typically manage core hospitality functions including reservations, guest services, and revenue management.
Organizations should implement immediate mitigations including network segmentation to limit access to the affected components, enforcing strict authentication and authorization controls, and applying the latest security patches provided by Oracle. The vulnerability aligns with CWE-20 (Improper Input Validation) and CWE-284 (Improper Access Control) categories, reflecting fundamental security weaknesses in input sanitization and privilege management. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, as attackers can leverage low-privilege network access to gain elevated system access. Regular security assessments, monitoring of network traffic for suspicious HTTP requests, and implementation of web application firewalls can provide additional defense layers. The vulnerability also highlights the importance of maintaining up-to-date security controls within specialized hospitality applications, as these systems often contain sensitive data that requires robust protection measures. Organizations should conduct comprehensive risk assessments to identify all instances of affected software and implement appropriate access controls to minimize the potential impact of similar vulnerabilities in their hospitality management infrastructure.