CVE-2006-4683 in Director
Summary
by MITRE
IBM Director before 5.10 allows remote attackers to obtain sensitive information from HTTP headers via HTTP TRACE.
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Analysis
by VulDB Data Team • 08/03/2018
The vulnerability identified as CVE-2006-4683 affects IBM Director versions prior to 5.10 and represents a significant information disclosure weakness that can be exploited remotely. This issue specifically targets the HTTP TRACE method implementation within the IBM Director web interface, creating a pathway for attackers to extract sensitive data from HTTP headers. The vulnerability stems from the system's improper handling of HTTP TRACE requests, which can reveal internal server information, authentication tokens, and other confidential data that should remain protected from external access. IBM Director is a systems management tool designed for monitoring and managing enterprise infrastructure, making this vulnerability particularly concerning for organizations relying on its web-based management interface. The flaw exists in the HTTP protocol handling layer where TRACE requests are processed without adequate sanitization or access control measures, allowing malicious actors to leverage this functionality for reconnaissance purposes.
The technical exploitation of this vulnerability occurs through the HTTP TRACE method which, when enabled on the web server, can be used to reflect data back to the attacker. When an HTTP TRACE request is sent to the IBM Director server, the server responds with the complete HTTP headers that were received, potentially including sensitive information such as authentication cookies, session identifiers, or other confidential data passed through the header fields. This behavior creates a vector for information leakage that can be exploited by remote attackers without requiring authentication or privileged access to the system. The vulnerability is classified as a variant of information disclosure issues that fall under CWE-200 - Information Exposure, and can be mapped to ATT&CK technique T1213.001 - Data from Information Repositories, as it enables attackers to extract sensitive data from web server configurations and header information. The flaw is particularly dangerous because it can be exploited through simple HTTP requests that do not require complex payloads or advanced exploitation techniques.
The operational impact of this vulnerability extends beyond simple information disclosure, as the leaked header information can provide attackers with crucial details for subsequent attacks. Authentication tokens, session identifiers, and server configuration information obtained through HTTP TRACE can be used to conduct session hijacking attacks, perform credential theft, or gain deeper insights into the system architecture. Organizations using IBM Director without proper patching are at risk of having their management interfaces compromised, potentially leading to unauthorized access to enterprise systems, data breaches, or disruption of critical infrastructure management functions. The vulnerability can be particularly damaging in environments where IBM Director is used for managing sensitive systems, as it may expose information that could be leveraged for privilege escalation or lateral movement within the network. This type of information leakage can also contribute to broader reconnaissance efforts by attackers who may use the discovered header information to identify system versions, underlying technologies, and potential attack vectors for more sophisticated exploits.
Organizations should immediately implement mitigations including updating to IBM Director version 5.10 or later, which contains fixes for this vulnerability. The recommended approach involves disabling HTTP TRACE methods on the web server configuration level, as this prevents the problematic behavior from occurring while maintaining essential functionality. Security administrators should also implement network-level controls such as firewalls or web application firewalls that can block TRACE requests at the network boundary. Additional mitigations include monitoring for suspicious HTTP TRACE requests in web server logs and implementing proper access controls to limit exposure of the IBM Director interface to trusted networks only. The vulnerability demonstrates the importance of proper HTTP method handling and the need for comprehensive security testing of web applications, particularly those handling sensitive enterprise management data. Organizations should also conduct regular vulnerability assessments to identify similar issues in other web applications and ensure that security patches are applied promptly to prevent exploitation of known vulnerabilities.