CVE-2017-10217 in Hospitality Guest Access
Summary
by MITRE
Vulnerability in the Oracle Hospitality Guest Access component of Oracle Hospitality Applications (subcomponent: Base). Supported versions that are affected are 4.2.0.0 and 4.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Hospitality Guest Access. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Hospitality Guest Access accessible data. CVSS 3.0 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 01/03/2021
The CVE-2017-10217 vulnerability resides within Oracle Hospitality Guest Access component, specifically within the Base subcomponent of Oracle Hospitality Applications. This vulnerability affects version 4.2.0.0 and 4.2.1.0, representing a significant security weakness in hospitality management systems that serve millions of guests globally. The flaw manifests as an easily exploitable vulnerability that can be leveraged by attackers with minimal privileges, making it particularly dangerous in environments where network access is relatively open and unsecured.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the guest access system. Attackers with low privileged network access via HTTP can exploit this weakness to gain unauthorized access to modify data within the system. The vulnerability specifically impacts the integrity of the system, allowing for unauthorized update, insert, or delete operations against accessible data within the Oracle Hospitality Guest Access environment. This represents a critical flaw in the principle of least privilege and data integrity protection that should be fundamental to any hospitality management system handling sensitive guest information.
The operational impact of this vulnerability extends beyond simple data modification capabilities, as it compromises the fundamental integrity of guest access systems that manage reservation data, guest profiles, payment information, and other sensitive hospitality data. The CVSS 3.0 score of 4.3 indicates a moderate severity level, but the implications are substantial given that the vulnerability can be exploited with minimal technical expertise and network access. The attack vector is particularly concerning as it requires only network access via HTTP, meaning that attackers could potentially exploit this vulnerability from external networks without requiring physical access or elevated privileges.
Security professionals should recognize this vulnerability as a clear violation of the CWE 284 principle of inadequate access control, where insufficient checks allow unauthorized modification of system data. The vulnerability aligns with ATT&CK technique T1078.004 which covers valid accounts for lateral movement and privilege escalation, as attackers can leverage this weakness to establish persistent access to guest data. Organizations using affected versions should prioritize immediate patching and implementation of network segmentation measures to prevent unauthorized HTTP access to the guest access component. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches in hospitality applications, where guest data integrity and privacy are paramount considerations.
The exploitation of this vulnerability could result in data corruption, unauthorized guest profile modifications, compromised reservation systems, and potential financial impact through fraudulent transactions. Organizations should implement comprehensive monitoring of HTTP traffic to the affected system, establish network access controls, and conduct regular vulnerability assessments to identify similar weaknesses in their hospitality management infrastructure. This vulnerability underscores the necessity of robust input validation and access control mechanisms in hospitality applications that handle sensitive guest information, as failures in these areas can have widespread operational and financial consequences.