CVE-2014-6182 in Business Process Manager
Summary
by MITRE
Directory traversal vulnerability in an export function in the Process Center in IBM Business Process Manager (BPM) 8.0.x through 8.0.1.3 and 8.5.x through 8.5.5 allows remote authenticated users to read arbitrary files via a .. (dot dot) in a URL.
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Analysis
by VulDB Data Team • 04/08/2022
The vulnerability identified as CVE-2014-6182 represents a critical directory traversal flaw within IBM Business Process Manager's Process Center component. This security weakness exists in versions 8.0.x through 8.0.1.3 and 8.5.x through 8.5.5, where the export function fails to properly validate user-supplied input. The flaw allows authenticated remote attackers to exploit the system by manipulating URL parameters with .. (dot dot) sequences, enabling them to navigate outside the intended directory structure and access arbitrary files on the server. This vulnerability directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The attack vector requires authentication, meaning that an attacker must first establish valid credentials to the system before attempting the exploitation, but once authenticated, the impact can be severe as it bypasses normal access controls for file system operations.
The technical implementation of this vulnerability stems from insufficient input validation within the export functionality of IBM BPM's Process Center. When processing user requests containing directory traversal sequences, the system fails to sanitize or properly validate the URL parameters before using them in file system operations. This allows attackers to craft malicious URLs that include sequences like ../../../etc/passwd or similar patterns that would normally be blocked by proper path validation mechanisms. The vulnerability specifically targets the export function, suggesting that the system's file handling routines for generating and serving exported content do not adequately filter or canonicalize input paths. This weakness enables attackers to access sensitive files that should normally be restricted, potentially including configuration files, database credentials, application source code, and other confidential information that could be stored within the application's file system hierarchy.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the ability to access potentially sensitive system information that could be leveraged for further attacks. Successful exploitation could lead to the exposure of system configuration files, application source code, database connection strings, and other sensitive artifacts that could be used to compromise the entire system. From an attacker's perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the T1083 (File and Directory Discovery) tactic, where adversaries seek to gather information about the file system structure and locate sensitive files. The vulnerability also supports lateral movement and privilege escalation activities, as access to configuration files and application data could reveal additional attack vectors or provide insights into system architecture and security controls. Organizations using IBM BPM versions affected by this vulnerability face significant risk of data breaches, system compromise, and potential regulatory compliance violations due to unauthorized access to sensitive information.
Mitigation strategies for CVE-2014-6182 should include immediate patching of affected IBM BPM versions to the latest security releases that address this directory traversal vulnerability. Organizations should implement proper input validation and sanitization measures within their applications to prevent directory traversal attacks, ensuring that all user-supplied input is properly canonicalized and validated before being used in file system operations. Network segmentation and access controls should be enforced to limit the scope of potential exploitation, ensuring that only authorized users with legitimate business needs can access the Process Center functionality. Additionally, implementing web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts by identifying suspicious URL patterns and directory traversal sequences. The remediation process should also include comprehensive testing of the patched systems to ensure that the vulnerability has been properly addressed without introducing new functionality issues. Organizations should also conduct thorough security audits to identify any other potential directory traversal vulnerabilities within their IBM BPM installations or related systems, as this type of flaw often indicates broader input validation weaknesses that may exist elsewhere in the application stack.