CVE-2016-8977 in BigFix Inventory
Summary
by MITRE
IBM BigFix Inventory v9 could disclose sensitive information to an unauthorized user using HTTP GET requests. This information could be used to mount further attacks against the system.
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Analysis
by VulDB Data Team • 08/09/2020
IBM BigFix Inventory version 9 contains a security vulnerability that allows unauthorized users to access sensitive information through crafted HTTP GET requests. This vulnerability falls under the category of information disclosure, where improperly protected system resources become accessible to attackers without proper authentication or authorization. The flaw exists in the web application layer of the BigFix Inventory system, specifically in how it handles HTTP request parameters and processes incoming requests from clients. Attackers can exploit this vulnerability by sending specially crafted GET requests to the inventory system's web interface, which then returns sensitive data that should normally be restricted to authorized personnel only.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the BigFix Inventory web application. When the system processes HTTP GET requests, it fails to properly verify the identity and authorization level of the requesting user before returning sensitive information. This weakness creates an information exposure scenario where attackers can potentially retrieve system configuration details, user credentials, system logs, or other confidential data that would typically be protected by proper authentication mechanisms. The vulnerability is particularly concerning because it operates at the application layer and can be exploited remotely without requiring any special privileges or credentials to initiate the attack.
The operational impact of this vulnerability extends beyond simple information disclosure, as the leaked data can serve as a foundation for more sophisticated attacks against the affected system. An attacker who successfully exploits this vulnerability gains access to potentially sensitive system information that could be used for reconnaissance purposes, including identifying system configurations, user accounts, network topology details, or other operational data that would normally remain confidential. This information can significantly aid in planning subsequent attacks, such as privilege escalation attempts, targeted exploitation of other system vulnerabilities, or social engineering campaigns that leverage the disclosed information. The vulnerability also undermines the integrity of the system's access control mechanisms and can lead to cascading security issues within the broader network infrastructure.
Organizations using IBM BigFix Inventory version 9 should implement immediate mitigations to address this vulnerability. The most effective approach involves applying the official security patches provided by IBM as soon as they become available, which typically include enhanced input validation and strengthened access control mechanisms. Network administrators should also implement additional security controls such as restricting direct internet access to the BigFix Inventory system, implementing web application firewalls to monitor and filter HTTP requests, and conducting regular security assessments to identify potential exploitation attempts. The vulnerability aligns with CWE-200, which specifically addresses "Information Exposure," and can be mapped to ATT&CK technique T1083, "File and Directory Discovery," as attackers may use the disclosed information to gather system reconnaissance data. Additionally, implementing proper network segmentation and limiting the exposure of administrative interfaces to trusted networks can significantly reduce the attack surface and prevent unauthorized access to sensitive system information.