CVE-2023-40630 in JCDashboards Component
Summary
by MITRE • 12/14/2023
Unauthenticated LFI/SSRF in JCDashboards component for Joomla.
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Analysis
by VulDB Data Team • 10/09/2024
The vulnerability identified in the JCDashboards component for Joomla represents a critical security flaw that combines local file inclusion and server-side request forgery capabilities, enabling unauthorized attackers to access sensitive system resources and potentially escalate their privileges within the affected environment. This issue stems from inadequate input validation and sanitization mechanisms within the component's parameter handling logic, specifically in how it processes user-supplied data for file operations and external resource requests.
The technical implementation of this vulnerability occurs when the JCDashboards component fails to properly validate or sanitize parameters passed to its internal functions that handle file operations or external URL requests. Attackers can exploit this weakness by crafting malicious requests that manipulate these parameters to include arbitrary local file paths or remote URLs, bypassing authentication requirements entirely. The flaw typically manifests through predictable parameter names used in the component's web interface or API endpoints, where user input directly influences system calls without proper sanitization or access control enforcement.
From an operational impact perspective, this vulnerability exposes organizations to significant risks including unauthorized data access, system compromise, and potential lateral movement within network environments. An attacker could leverage the local file inclusion capability to read sensitive configuration files, database credentials, or application source code, while the server-side request forgery component allows them to perform unauthorized requests against internal systems that may be otherwise protected by firewalls or network segmentation. The unauthenticated nature of this exploit means that no prior access credentials are required, making it particularly dangerous for publicly accessible web applications.
Security professionals should implement immediate mitigations including applying the latest security patches provided by the Joomla community and component vendors, implementing proper input validation at multiple layers of the application architecture, and configuring network-level restrictions to limit access to vulnerable endpoints. The vulnerability aligns with CWE-798 (Use of Hard-coded Credentials) and CWE-20 (Improper Input Validation) categories while potentially mapping to ATT&CK techniques such as T1059 (Command and Scripting Interpreter) and T1105 (Ingress Tool Transfer) for exploitation phases. Organizations should also consider implementing web application firewalls, monitoring for suspicious parameter patterns, and conducting thorough security assessments of all third-party components within their Joomla installations to prevent similar vulnerabilities from remaining undetected in their environments.