CVE-2024-4576 in EBX
Summary
by MITRE • 06/13/2024
The component listed above contains a vulnerability that allows an attacker to traverse directories and access sensitive files, leading to unauthorized disclosure of system configuration and potentially sensitive information.
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Analysis
by VulDB Data Team • 10/28/2024
This vulnerability represents a critical directory traversal flaw that enables attackers to bypass normal access controls and retrieve arbitrary files from the affected system. The issue stems from insufficient input validation within the component's file handling mechanisms, allowing malicious users to manipulate file paths through specially crafted requests. Such vulnerabilities are classified under CWE-22 - Improper Limitation of a Pathname to a Restricted Directory and fall squarely within the ATT&CK technique T1083 - File and Directory Discovery, as attackers can systematically enumerate and access sensitive system resources. The vulnerability occurs when user-supplied input is directly incorporated into file system operations without proper sanitization or validation, creating a pathway for attackers to navigate beyond intended directories and access configuration files, log files, and other sensitive data that should remain protected.
The operational impact of this vulnerability extends far beyond simple information disclosure, as successful exploitation can lead to complete system compromise through the acquisition of system configuration files, credential stores, application settings, and potentially database connection strings. Attackers can leverage this flaw to gather intelligence about the system architecture, identify running services, discover installed software versions, and extract sensitive information that could facilitate further attacks. The vulnerability's severity is amplified by its potential to enable privilege escalation attacks, where attackers can access files that contain administrative credentials or system-level configurations. This type of vulnerability commonly affects web applications, file servers, and any system component that processes user input for file operations, making it particularly dangerous in enterprise environments where multiple systems may be exposed to similar flaws.
Mitigation strategies should focus on implementing robust input validation and sanitization mechanisms that prevent malicious path manipulation attempts. The most effective approach involves employing strict whitelisting of allowed file paths and implementing proper access control measures that ensure users cannot traverse beyond designated directories. Organizations should deploy web application firewalls and input validation filters that can detect and block suspicious path traversal sequences such as double dots, forward slashes, and backslashes. Additionally, implementing the principle of least privilege and ensuring that application components run with minimal required permissions can significantly reduce the impact of successful exploitation attempts. Regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire system landscape. The remediation process must include comprehensive code review to identify all instances where user input is used in file system operations and implementing proper path normalization techniques to prevent attackers from manipulating file access through directory traversal attacks.