CVE-2023-34019 in Uncanny Toolkit for LearnDash Plugin
Summary
by MITRE • 12/13/2024
Missing Authorization vulnerability in Uncanny Owl Uncanny Toolkit for LearnDash allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Uncanny Toolkit for LearnDash: from n/a through 3.6.4.3.
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Analysis
by VulDB Data Team • 12/13/2024
The CVE-2023-34019 vulnerability represents a critical missing authorization flaw within the Uncanny Owl Uncanny Toolkit for LearnDash plugin, specifically impacting versions ranging from the initial release through 3.6.4.3. This vulnerability stems from incorrectly configured access control security levels that permit unauthorized users to exploit functionality that should be restricted to privileged administrators or authenticated users. The flaw exists in the plugin's permission handling mechanisms, where proper authorization checks are either absent or improperly implemented, creating a pathway for attackers to bypass intended security boundaries.
The technical nature of this vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems. This weakness allows attackers to perform actions they should not be permitted to execute, potentially leading to complete system compromise or data exposure. The vulnerability manifests when the plugin fails to verify user permissions before executing sensitive operations, enabling malicious actors to exploit administrative functions through regular user accounts or unauthenticated access attempts. This misconfiguration creates a dangerous scenario where users with minimal privileges can access restricted features, potentially modifying course content, user permissions, or system configurations.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it can enable attackers to manipulate learning management system data, potentially affecting thousands of users within an educational platform. Attackers could leverage this flaw to modify course materials, alter user access rights, or even delete critical learning content, resulting in significant disruption to educational services. The vulnerability's presence in the LearnDash ecosystem means that organizations relying on this platform for online learning could experience unauthorized data modification, user impersonation, or complete administrative control takeover, particularly affecting institutions with large user bases and complex learning management requirements.
Mitigation strategies for CVE-2023-34019 should prioritize immediate patch application to version 3.6.4.4 or later, where the authorization checks have been properly implemented. Organizations should also conduct thorough access control reviews to ensure that all plugin functionalities are appropriately restricted based on user roles and permissions. Network segmentation and monitoring solutions should be deployed to detect unauthorized access attempts and anomalous behavior patterns that might indicate exploitation attempts. Additionally, implementing principle of least privilege access controls and regular security audits of third-party plugins will help prevent similar vulnerabilities from compromising system integrity. This vulnerability demonstrates the critical importance of proper authorization implementation in educational technology platforms, where the consequences of access control failures can extend far beyond simple data exposure to affect entire learning ecosystems and user privacy. The ATT&CK framework categorizes this as a privilege escalation technique, specifically under T1078 Valid Accounts and T1484 Defensive Evasion, highlighting the multi-faceted nature of the threat landscape this vulnerability creates for educational institutions and learning management system administrators.