CVE-2018-6578 in JE PayperVideo
Summary
by MITRE
SQL Injection exists in the JE PayperVideo 3.0.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
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Analysis
by VulDB Data Team • 06/16/2024
The CVE-2018-6578 vulnerability represents a critical sql injection flaw within the JE PayperVideo 3.0.0 component for Joomla! which exposes sensitive database operations to unauthorized manipulation. This vulnerability specifically targets the usr_plan parameter within the myplans view when processing the task=myplans.usersubscriptions request. The flaw enables attackers to inject malicious sql commands through the parameter, potentially allowing full database access and arbitrary code execution on the affected system. The vulnerability stems from inadequate input validation and sanitization within the component's query construction process, creating a direct path for malicious actors to bypass authentication mechanisms and manipulate backend database operations.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes sql injection as a direct result of insufficient input sanitization and improper query construction. When the component processes the usr_plan parameter without proper validation, it directly incorporates user-supplied data into sql queries without adequate escaping or parameterization. This creates an environment where attackers can manipulate the sql execution flow by injecting malicious payloads that alter the intended database behavior. The vulnerability operates at the application layer and specifically affects the Joomla! content management system's component architecture, making it particularly dangerous in environments where the component is widely deployed.
The operational impact of this vulnerability extends beyond simple data theft, encompassing complete system compromise and potential data exfiltration. Attackers exploiting this flaw could gain access to user credentials, subscription details, payment information, and other sensitive data stored within the database. The vulnerability allows for privilege escalation attacks, enabling unauthorized users to assume administrator roles within the affected Joomla! installation. Additionally, the attack surface is broadened by the fact that many organizations deploy multiple instances of the JE PayperVideo component, potentially allowing attackers to compromise entire networks of interconnected systems. This vulnerability also aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1190 for exploitation of vulnerable applications.
Mitigation strategies for CVE-2018-6578 should prioritize immediate patching of the JE PayperVideo component to version 3.0.1 or later, which contains the necessary input validation fixes. Organizations should implement web application firewalls to monitor and filter suspicious sql injection attempts targeting the affected parameter. Database access controls should be reviewed to ensure least privilege principles are enforced, limiting the potential damage from successful exploitation attempts. Input validation should be strengthened across all user-supplied parameters, with proper parameterization techniques implemented for all database queries. Regular security assessments should include vulnerability scanning for outdated Joomla! components and plugins, with automated patch management systems to ensure timely remediation of known vulnerabilities. The remediation process should also include monitoring for indicators of compromise such as unusual database access patterns or unauthorized user account creations that may indicate exploitation attempts.