CVE-2002-0786 in Injoin Directory Server
Summary
by MITRE
iCon administrative web server for Critical Path inJoin Directory Server 4.0 allows authenticated inJoin administrators to read arbitrary files by specifying the target file in the LOG parameter.
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Analysis
by VulDB Data Team • 12/25/2024
The vulnerability identified as CVE-2002-0786 represents a classic arbitrary file reading flaw within the iCon administrative web server component of Critical Path inJoin Directory Server version 4.0. This issue stems from insufficient input validation and sanitization mechanisms within the server's logging functionality, specifically when processing the LOG parameter. The vulnerability affects authenticated administrators who possess legitimate access credentials to the inJoin Directory Server environment, creating a privilege escalation scenario where administrative privileges can be leveraged to extract sensitive information from the underlying file system.
The technical implementation of this vulnerability occurs through improper handling of user-supplied input in the LOG parameter of the administrative web interface. When an authenticated administrator submits a request containing a malicious file path within the LOG parameter, the server fails to validate or sanitize this input before processing it. This lack of input validation creates an opportunity for path traversal attacks where attackers can navigate through the file system hierarchy to access files that should normally be restricted. The vulnerability is particularly concerning because it operates within the administrative context of the system, meaning that any authenticated user with administrative privileges can exploit this flaw to read arbitrary files that may contain sensitive data such as configuration files, database credentials, or system information.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing Critical Path inJoin Directory Server 4.0. The ability to read arbitrary files provides attackers with potential access to sensitive system information, configuration details, and possibly credentials stored in configuration files or log files. The vulnerability's exploitation requires only authenticated access, which means that insider threats or compromised administrative accounts could be leveraged to extract valuable information from the system. This represents a critical security gap that could lead to further compromise of the entire directory server infrastructure and potentially the broader network environment.
The vulnerability aligns with CWE-22 Path Traversal and CWE-77 Path Traversal vulnerabilities as defined by the Common Weakness Enumeration standard, which specifically addresses improper input validation leading to unauthorized file access. From an adversarial perspective, this vulnerability would be categorized under the MITRE ATT&CK framework within the privilege escalation and credential access domains, specifically mapping to techniques involving path traversal and credential dumping. The attack vector would involve an authenticated administrative user submitting a malicious LOG parameter containing path traversal sequences such as ../ or ..\ to access files outside the intended directory structure.
Effective mitigation strategies for this vulnerability include implementing proper input validation and sanitization mechanisms within the administrative web server component, particularly for the LOG parameter handling. Organizations should deploy strict file path validation that prevents traversal sequences and ensures that all file access operations occur within designated safe directories. Additionally, implementing principle of least privilege access controls and regular security auditing of administrative access logs can help detect and prevent unauthorized file access attempts. The most effective long-term solution involves upgrading to a patched version of Critical Path inJoin Directory Server that addresses this specific path traversal vulnerability, as well as implementing comprehensive input validation across all web application interfaces to prevent similar issues from occurring in other components of the system.