CVE-2023-47473 in iFair
Summary
by MITRE • 01/03/2024
Directory Traversal vulnerability in fuwushe.org iFair versions 23.8_ad0 and before allows an attacker to obtain sensitive information via a crafted script.
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Analysis
by VulDB Data Team • 09/06/2024
The directory traversal vulnerability identified as CVE-2023-47473 affects the fuwushe.org iFair application versions 23.8_ad0 and earlier, representing a critical security flaw that enables unauthorized access to sensitive system information. This vulnerability resides within the application's handling of file paths and input validation mechanisms, creating an exploitable condition that allows attackers to navigate beyond the intended directory structure. The flaw specifically manifests when the application processes user-supplied input without proper sanitization or validation, permitting malicious actors to manipulate file access requests through carefully crafted script parameters that bypass normal access controls.
The technical implementation of this vulnerability aligns with CWE-22, which categorizes directory traversal attacks as a fundamental weakness in input validation and access control mechanisms. Attackers can exploit this flaw by constructing malicious URI or file path requests that utilize directory traversal sequences such as ../ or ..\ to access files outside the application's designated working directory. The vulnerability becomes particularly dangerous when combined with the iFair application's configuration, which may expose sensitive system files, configuration data, or user information that should remain protected from unauthorized access. This weakness operates at the intersection of improper input validation and inadequate access control enforcement, creating a pathway for attackers to obtain confidential information that could include database credentials, application source code, or other sensitive operational data.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential entry points for further exploitation within the compromised system. An attacker who successfully exploits this directory traversal flaw could access not only sensitive files but also potentially gain insights into the application's architecture, data storage patterns, and internal system configurations. This reconnaissance capability significantly increases the risk of subsequent attacks, as attackers can use the discovered information to plan more sophisticated exploitation attempts, including privilege escalation, data exfiltration, or system compromise. The vulnerability's presence in iFair versions 23.8_ad0 and earlier suggests a widespread risk across affected installations, particularly in environments where the application handles sensitive user or organizational data.
Mitigation strategies for CVE-2023-47473 must address both the immediate vulnerability and establish comprehensive security controls to prevent similar issues in the future. Organizations should prioritize applying the vendor-provided patches or updates that resolve the directory traversal flaw in the iFair application. Additionally, implementing robust input validation mechanisms, including strict sanitization of all user-supplied data and enforcement of proper access controls, will help prevent exploitation attempts. Security measures should include the implementation of a whitelist approach for file access, ensuring that only explicitly authorized file paths can be accessed by the application. Network-level protections such as web application firewalls and intrusion detection systems can also provide additional layers of defense against directory traversal attempts. Organizations should also conduct comprehensive security assessments of their iFair installations to identify and remediate any other potential vulnerabilities that may exist within the application's codebase or configuration. The remediation process should align with security best practices outlined in the OWASP Top Ten and NIST cybersecurity frameworks, emphasizing the importance of secure coding practices and continuous vulnerability management.
The attack surface for this vulnerability can be significantly reduced through proper application hardening and configuration management. Implementing principle of least privilege access controls, regular security testing, and maintaining up-to-date security patches are essential defensive measures. The vulnerability also highlights the importance of following secure development lifecycle practices, including code reviews and security testing, to identify and remediate such flaws before they can be exploited in production environments. Organizations should monitor for any related threats or exploitation attempts targeting similar directory traversal vulnerabilities in their systems, as attackers often leverage known vulnerabilities to compromise multiple applications across different platforms.