CVE-2017-3560 in Hospitality OPERA 5 Property Services
Summary
by MITRE
Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications (subcomponent: OXI Interface). 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 read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.0 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The vulnerability identified as CVE-2017-3560 resides within the Oracle Hospitality OPERA 5 Property Services component, specifically within the OXI Interface subcomponent of Oracle Hospitality Applications. This flaw affects multiple version ranges including 5.4.0.x through 5.4.3.x and 5.5.0.x through 5.5.1.x, representing a significant portion of the OPERA 5 product line. The vulnerability operates at the application layer and represents a critical weakness in the system's access control mechanisms. According to the CVSS 3.0 scoring system, this vulnerability carries a base score of 4.3, which classifies it as a medium severity issue with specific confidentiality impacts. The attack vector is classified as network-based with low access complexity and requires only low privileges to exploit, making it particularly dangerous for organizations that maintain exposed web services.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the OXI Interface component. This interface serves as a communication bridge between different modules of the OPERA 5 system, facilitating data exchange and processing operations. The flaw allows an attacker with minimal privileges to perform unauthorized read operations against specific data elements within the property services component. The vulnerability's exploitability is enhanced by its network accessibility via HTTP protocol, eliminating the need for physical access or elevated privileges within the system. Attackers can leverage this weakness to extract sensitive information without triggering significant detection mechanisms, as the access pattern mimics legitimate user behavior. This particular vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization checks in web applications.
The operational impact of this vulnerability extends beyond simple data exposure, potentially compromising the integrity of hospitality operations and customer information management systems. Organizations utilizing affected OPERA 5 versions face risks of unauthorized data access that could include guest information, reservation details, billing records, and other sensitive operational data. The attack scenario involves a low-privileged network-based attacker who can systematically probe the system to identify and exploit the access control weakness. This vulnerability creates opportunities for data exfiltration that could facilitate identity theft, financial fraud, or competitive intelligence gathering. The affected environment's exposure through HTTP services means that organizations without proper network segmentation or web application firewalls are particularly vulnerable to exploitation attempts.
Mitigation strategies for CVE-2017-3560 should prioritize immediate patching of affected systems to address the underlying access control vulnerability. Organizations must implement network segmentation to isolate the affected property services component from general network access, reducing the attack surface available to potential adversaries. The deployment of web application firewalls and intrusion detection systems can help monitor and block suspicious HTTP requests targeting the vulnerable OXI Interface component. Additionally, implementing strict access controls and authentication mechanisms for the property services interface will help prevent unauthorized access attempts. Security configuration reviews should focus on validating input validation processes and ensuring proper authorization checks are in place throughout the system architecture. Organizations should also establish monitoring procedures to detect anomalous access patterns that might indicate exploitation attempts. This vulnerability demonstrates the importance of maintaining current security patches and implementing defense-in-depth strategies to protect critical business applications against network-based attacks that exploit access control weaknesses. The incident highlights the need for comprehensive vulnerability management programs that address both known and emerging threats within complex enterprise applications.