CVE-2020-18646 in Amp
Summary
by MITRE • 06/22/2021
Information Disclosure in NoneCMS v1.3 allows remote attackers to obtain sensitive information via the component "/public/index.php".
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Analysis
by VulDB Data Team • 06/24/2021
The vulnerability identified as CVE-2020-18646 represents a critical information disclosure flaw within NoneCMS version 1.3 that exposes sensitive system data to remote attackers. This vulnerability specifically affects the application's public component located at "/public/index.php" which serves as the primary entry point for user interactions with the content management system. The flaw enables unauthorized access to potentially sensitive information that should remain protected within the system's internal architecture.
The technical nature of this vulnerability stems from inadequate input validation and output sanitization within the NoneCMS framework. When remote attackers access the vulnerable endpoint, they can manipulate request parameters or exploit the application's response handling mechanisms to extract system information that includes database credentials, file paths, configuration details, or other sensitive data. This type of vulnerability falls under the CWE-200 category of "Information Exposure" and represents a fundamental breakdown in the application's security controls that should prevent unauthorized data access. The vulnerability's impact is amplified by the fact that it operates at the application layer where attackers can directly interface with the system's core functionality.
The operational consequences of this information disclosure vulnerability are severe and multifaceted. Attackers who successfully exploit this flaw can gain comprehensive knowledge about the target system's internal structure, potentially enabling them to launch more sophisticated attacks such as privilege escalation, data theft, or system compromise. The exposure of database connection strings and configuration files provides attackers with critical information needed to bypass authentication mechanisms and directly access sensitive data stores. This vulnerability also aligns with ATT&CK technique T1213.002 for "Data from Information Repositories" and represents a common vector for initial access and reconnaissance activities in cybersecurity attack frameworks.
Organizations utilizing NoneCMS v1.3 should immediately implement mitigation strategies to address this vulnerability. The most effective approach involves applying the official security patch released by the NoneCMS development team, which typically includes enhanced input validation and output filtering mechanisms. Additionally, network segmentation should be implemented to restrict access to the vulnerable endpoint, and web application firewalls should be configured to monitor and block suspicious requests targeting the affected component. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase, while access controls should be strengthened to limit exposure of sensitive system information. The vulnerability demonstrates the critical importance of maintaining up-to-date security practices and the necessity of implementing robust input validation mechanisms to prevent information disclosure attacks that can compromise entire system infrastructures.