CVE-2018-5075 in Online Ticket Booking
Summary
by MITRE
Online Ticket Booking has XSS via the admin/snacks_edit.php snacks_name parameter.
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Analysis
by VulDB Data Team • 12/19/2019
The vulnerability identified as CVE-2018-5075 represents a cross-site scripting flaw within an online ticket booking system's administrative interface. This security weakness specifically affects the admin/snacks_edit.php page where the snacks_name parameter is improperly handled, creating an avenue for malicious actors to inject and execute arbitrary web scripts within the context of authenticated admin sessions. The flaw resides in the insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within the web application's response.
This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is a critical web application security weakness that allows attackers to inject client-side scripts into web pages viewed by other users. The specific implementation of this flaw in the ticket booking system's administrative snack management functionality creates a persistent threat vector where an attacker could potentially compromise the administrative interface and gain unauthorized access to sensitive system controls. The vulnerability is particularly concerning because it affects a backend administrative page, meaning that successful exploitation could lead to complete system compromise if the attacker can escalate privileges or access sensitive administrative functions.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform session hijacking, steal administrative credentials, modify or delete critical system data, and potentially escalate their privileges within the application. The attacker could craft malicious snack names containing javascript payloads that would execute in the browser of any administrator who views the edited snack information, potentially leading to full system compromise. This type of vulnerability is classified under the ATT&CK technique T1059.007 for Command and Scripting Interpreter: JavaScript, demonstrating how attackers can leverage client-side scripting to gain unauthorized access to administrative functions.
Mitigation strategies for CVE-2018-5075 should include implementing proper input validation and output encoding mechanisms to sanitize all user-supplied data before processing or rendering. The application should employ context-specific encoding for different output contexts including html, javascript, and url contexts. Additionally, implementing a robust content security policy and utilizing parameterized queries or prepared statements for all database interactions would significantly reduce the risk of exploitation. Regular security code reviews and input validation testing should be conducted to identify similar vulnerabilities in other application components. The system should also implement proper access controls and authentication mechanisms to limit the impact of potential exploitation, ensuring that even if a vulnerability is exploited, the attacker's privileges remain restricted. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for and prevent exploitation attempts targeting this specific vulnerability pattern.