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=========================================================================== AUSCERT Security Bulletin ASB-2024.0097 Oracle Hospitality Applications Critical Patch Update 17 April 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Oracle Hospitality Cruise Shipboard Property Management System Operating System: Windows UNIX variants (UNIX, Linux, OSX) Resolution: Patch/Upgrade CVE Names: CVE-2023-6378 Comment: CVSS (Max): 7.5 CVE-2023-6378 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Oracle Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H OVERVIEW A vulnerability has been identified in : o Oracle Hospitality Cruise Shipboard Property Management System, versions 20.3.3, 20.3.4, 23.1.0, 23.1.1 [1] IMPACT The vendor has provided the following information regarding the vulnerability: "This Critical Patch Update contains 1 new security patch for Oracle Hospitality Applications. This vulnerability is remotely exploitable without authentication, i.e., may be exploited over a network without requiring user credentials." [1] "CVE-2023-6378 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Supported versions that are affected are 20.3.3, 20.3.4, 23.1.0 and 23.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality Cruise Shipboard Property Management System. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hospitality Cruise Shipboard Property Management System. Affects: o Oracle Hospitality Cruise Shipboard Property Management System 20.3.3, 20.3.4, 23.1.0, 23.1.1" [2] MITIGATION Oracle states: "Due to the threat posed by a successful attack, Oracle strongly recommends that customers apply CPU fixes as soon as possible. Until you apply the CPU fixes, it may be possible to reduce the risk of successful attack by blocking network protocols required by an attack. For attacks that require certain privileges or access to certain packages, removing the privileges or the ability to access the packages from users that do not need the privileges may help reduce the risk of successful attack. Both approaches may break application functionality, so Oracle strongly recommends that customers test changes on non-production systems. Neither approach should be considered a long-term solution as neither corrects the underlying problem." [1] REFERENCES [1] Oracle Critical Patch Update Advisory - April 2024 https://www.oracle.com/security-alerts/cpuapr2024.html [2] Text Form of Oracle Critical Patch Update - April 2024 Risk Matrices https://www.oracle.com/security-alerts/cpuapr2024verbose.html AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. ===========================================================================