CVE-2025-4889 in Tourism Management System
Summary
by MITRE • 05/18/2025
A vulnerability has been found in code-projects Tourism Management System 1.0 and classified as critical. This vulnerability affects the function AddUser of the component User Registration. The manipulation of the argument username/password leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 10/24/2025
The vulnerability identified as CVE-2025-4889 represents a critical buffer overflow flaw within the code-projects Tourism Management System version 1.0, specifically within the User Registration component's AddUser function. This type of vulnerability falls under the CWE-121 buffer overflow category, which occurs when more data is written to a buffer than it can accommodate, potentially overwriting adjacent memory locations. The flaw manifests when the username and password parameters are manipulated during the user registration process, creating an opportunity for attackers to exploit the system's memory handling mechanisms.
The technical implementation of this vulnerability stems from inadequate input validation and memory management within the AddUser function. When user-provided credentials are processed without proper bounds checking, maliciously crafted inputs can exceed the allocated buffer space, leading to memory corruption that may result in arbitrary code execution. The requirement for local access to exploit this vulnerability indicates that attackers must already have system-level privileges or physical access to the target machine, which reduces the attack surface but does not eliminate the risk entirely. This local privilege escalation vector aligns with ATT&CK technique T1068 which describes the use of local privilege escalation techniques to gain higher-level system access.
The operational impact of this vulnerability extends beyond simple data corruption, as it could enable attackers to execute arbitrary code with the privileges of the affected application. This could result in complete system compromise, data exfiltration, or the establishment of persistent backdoors within the tourism management system. The disclosure of exploit details to the public community significantly increases the risk profile, as malicious actors can immediately leverage this knowledge to target vulnerable installations. Organizations running this specific version of the tourism management system face substantial risk of unauthorized access and potential data breaches, particularly if the system is deployed in environments where local access might be compromised.
Mitigation strategies for CVE-2025-4889 should prioritize immediate patching of the affected software version, as this represents the most effective defense against the known exploit. System administrators should implement input validation measures that enforce strict length limits and character set restrictions for username and password fields. Additionally, memory protection mechanisms such as stack canaries, address space layout randomization, and data execution prevention should be enabled to make exploitation more difficult. Network segmentation and access control measures can help limit potential damage if local access is compromised. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other system components, while monitoring for unusual system behavior or unauthorized access attempts can help detect exploitation attempts. The implementation of principle of least privilege and regular security updates across all system components remains essential for maintaining overall system integrity and protecting against similar vulnerabilities.