CVE-2016-8966 in BigFix Inventory
Summary
by MITRE
IBM BigFix Inventory v9 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/09/2020
IBM BigFix Inventory version 9 contains a critical security flaw that compromises the integrity of data transmission through its web interface. This vulnerability stems from the improper implementation of HTTP Strict Transport Security (HSTS) headers, which are essential for protecting against man-in-the-middle attacks. The absence of proper HSTS configuration allows attackers to intercept and manipulate communications between clients and the inventory server, potentially exposing sensitive information such as authentication credentials, system configurations, and inventory data. This weakness creates an exploitable entry point that violates fundamental web security principles and significantly undermines the confidentiality of transmitted data.
The technical implementation flaw resides in the web server configuration where HTTP Strict Transport Security headers are either absent or improperly configured, failing to enforce secure HTTPS connections. Without HSTS, users may be susceptible to protocol downgrade attacks where attackers force connections to use unencrypted HTTP instead of secure HTTPS. This vulnerability directly maps to CWE-319 - Cleartext Transmission of Sensitive Information, as it enables attackers to capture sensitive data during transmission. The flaw also aligns with CWE-306 - Missing Authentication for Critical Function, since the system fails to properly secure critical communication channels that handle sensitive inventory information.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a persistent security risk that can be exploited by remote attackers with minimal technical expertise. Attackers can leverage this weakness to perform session hijacking, capture login credentials, and potentially gain unauthorized access to the BigFix Inventory system. The vulnerability affects the integrity of the entire inventory management process, as compromised communications could lead to unauthorized modifications of inventory data or system configurations. This represents a significant threat to enterprise security, particularly in environments where BigFix Inventory is used to manage critical system assets and sensitive corporate data.
Organizations should implement immediate mitigations including the proper configuration of HTTP Strict Transport Security headers with appropriate preload directives, ensuring all web communications are forced to use HTTPS. The system should be configured with HSTS headers that include the max-age parameter set to a sufficiently long duration, typically at least one year, and include the preload and includeSubDomains directives. Additionally, organizations should conduct comprehensive security audits to verify that all web applications and interfaces within the BigFix Inventory environment properly implement transport layer security measures. Network-level protections should include monitoring for protocol downgrade attempts and implementing proper certificate management to prevent man-in-the-middle attacks. This vulnerability demonstrates the critical importance of following security best practices as outlined in the OWASP Top Ten and aligns with ATT&CK technique T1046 - Network Service Scanning, where attackers can exploit weak transport security to gain unauthorized access to sensitive information systems.