CVE-2018-2606 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 and 4.2.1. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Hospitality Guest Access executes to compromise Oracle Hospitality Guest Access. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality Guest Access accessible data. CVSS 3.0 Base Score 6.2 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 01/31/2021
The vulnerability identified as CVE-2018-2606 resides within the Oracle Hospitality Guest Access component, specifically within the Base subcomponent of Oracle Hospitality Applications. This flaw affects versions 4.2.0 and 4.2.1, representing a significant security weakness that enables unauthorized access to hospitality management systems. The vulnerability operates under the Common Weakness Enumeration framework as CWE-284, which categorizes improper access control issues, making it particularly dangerous for enterprise environments where hospitality applications manage sensitive guest information and operational data.
The technical nature of this vulnerability allows an attacker who has already gained logon access to the underlying infrastructure hosting the Oracle Hospitality Guest Access system to compromise the application without requiring additional authentication credentials. This represents a critical privilege escalation vulnerability where the attacker can leverage their existing access to the host system to gain unauthorized access to the application's data. The CVSS 3.0 scoring system rates this vulnerability with a base score of 6.2, indicating a medium severity level, though the impact potential is severe given the confidentiality implications. The attack vector is classified as local access (AV:L) requiring low complexity (AC:L) and no user interaction (UI:N), while the scope remains unchanged (S:U) but the confidentiality impact is high (C:H).
The operational impact of successfully exploiting CVE-2018-2606 can be devastating for hospitality organizations, potentially leading to unauthorized access to critical guest data including personal identification information, financial details, reservation records, and other sensitive operational data. This vulnerability directly affects the principle of least privilege and data protection mechanisms within hospitality management systems, allowing attackers to access all data accessible through the Guest Access component without additional authentication barriers. The implications extend beyond simple data theft to potential service disruption and regulatory compliance violations, particularly concerning data protection regulations like GDPR or PCI DSS that govern hospitality industry data handling practices.
Organizations should implement immediate mitigation strategies including applying the vendor-provided patches or updates for Oracle Hospitality Guest Access versions 4.2.0 and 4.2.1, implementing network segmentation to limit access to the Guest Access application, and conducting thorough access control reviews to ensure that only authorized personnel have logon access to the infrastructure hosting the application. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the use of legitimate credentials to access restricted resources, making it particularly challenging to detect and prevent through traditional security monitoring approaches. Additional defensive measures should include enhanced logging and monitoring of access patterns to the Guest Access component, implementation of network access controls, and regular security assessments to identify and remediate similar vulnerabilities across the hospitality application ecosystem.