CVE-2003-0621 in Tuxedo
Summary
by MITRE
The Administration Console for BEA Tuxedo 8.1 and earlier allows remote attackers to determine the existence of files outside the web root via modified paths in the INIFILE argument.
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Analysis
by VulDB Data Team • 07/23/2024
The vulnerability described in CVE-2003-0621 represents a classic path traversal flaw affecting the BEA Tuxedo Administration Console version 8.1 and earlier. This security weakness resides within the console's handling of the INIFILE argument, which is used to specify configuration file locations during administration tasks. The issue arises from insufficient input validation and sanitization mechanisms that fail to properly restrict file path modifications, allowing malicious actors to craft requests that probe for the existence of files outside the designated web root directory.
The technical implementation of this vulnerability stems from the console's inadequate filtering of user-supplied path parameters. When administrators provide the INIFILE argument, the system processes this input without sufficient validation to prevent directory traversal sequences such as ../ or ..\ that would normally be blocked by proper path validation. This flaw operates at the application layer and can be exploited through HTTP requests that manipulate the INIFILE parameter to access arbitrary files on the server filesystem. The vulnerability essentially allows an attacker to perform reconnaissance by testing various file paths and observing the application's responses to determine which files exist on the target system.
From an operational impact perspective, this vulnerability creates a significant information disclosure risk that can be leveraged as a precursor to more serious attacks. Attackers can use this capability to map the target system's file structure, identify sensitive configuration files, and potentially discover credentials stored in configuration files. The attack vector is particularly dangerous because it requires no authentication and can be executed remotely, making it an attractive target for reconnaissance activities. This information gathering capability aligns with techniques documented in the ATT&CK framework under initial access and reconnaissance phases, specifically targeting the collection of system information through file system enumeration.
The vulnerability's classification as a path traversal issue places it within CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory. This weakness enables attackers to access files outside the intended directory structure, potentially leading to unauthorized data access, system compromise, or further exploitation. Organizations running BEA Tuxedo 8.1 or earlier versions face significant risk as this vulnerability can be exploited by any remote attacker without requiring privileged access. The impact extends beyond simple information disclosure since the ability to probe file systems can reveal system configuration details that may be used to plan subsequent attacks, including privilege escalation or lateral movement within the network.
Mitigation strategies for this vulnerability primarily involve upgrading to patched versions of BEA Tuxedo that address the path traversal flaw in the Administration Console. Organizations should also implement proper input validation and sanitization mechanisms that prevent directory traversal sequences from being processed. Network segmentation and access controls can help limit exposure by restricting direct access to the Administration Console from untrusted networks. Additionally, implementing web application firewalls and security monitoring solutions can help detect and block suspicious path traversal attempts. The remediation approach should follow industry standards such as those recommended by the OWASP Top Ten and NIST guidelines for preventing path traversal vulnerabilities. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in other applications and systems within the organization's infrastructure.