CVE-2018-1481 in BigFix Platform
Summary
by MITRE
IBM BigFix Platform 9.2.0 through 9.2.14 and 9.5 through 9.5.9 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser history. IBM X-Force ID: 140763.
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Analysis
by VulDB Data Team • 06/18/2023
The vulnerability identified as CVE-2018-1481 affects IBM BigFix Platform versions 9.2.0 through 9.2.14 and 9.5 through 9.5.9, representing a significant information disclosure risk that stems from improper handling of sensitive data within URL parameters. This flaw falls under the category of insecure direct object reference and information exposure vulnerabilities, with direct implications for data confidentiality and system integrity. The vulnerability arises when the platform incorporates sensitive information such as authentication tokens, user credentials, or session identifiers directly into URL query strings rather than utilizing secure storage mechanisms within the application's internal memory or secure session management systems. This practice creates an attack surface where unauthorized parties can gain access to confidential information through various indirect means, fundamentally undermining the platform's security posture.
The technical implementation of this vulnerability occurs at the application layer where URL parameters are constructed to include sensitive data elements without proper sanitization or encryption. When users navigate through the BigFix platform, these URLs containing sensitive information become persistent in various system logs, browser history, and referrer headers that are typically accessible to system administrators or malicious actors. The flaw represents a classic example of how web applications fail to properly separate sensitive data from user-facing interfaces, creating a scenario where information that should remain confidential becomes exposed through legitimate web traffic patterns. From a cybersecurity perspective, this vulnerability directly relates to CWE-200, which addresses information exposure, and CWE-20, which covers insecure direct object references, both of which are fundamental weaknesses in application security design that enable unauthorized access to sensitive resources.
The operational impact of CVE-2018-1481 extends beyond simple information disclosure to potentially enable more sophisticated attacks including session hijacking, privilege escalation, and unauthorized access to restricted platform functionalities. Attackers who gain access to these URLs through server log files or browser history can reconstruct user sessions, impersonate legitimate users, and access sensitive management capabilities within the BigFix platform. This vulnerability creates a persistent threat vector that remains active as long as the vulnerable versions are deployed, allowing attackers to maintain access to sensitive information over extended periods. The exposure of sensitive data through URL parameters also violates fundamental security principles of least privilege and defense in depth, as it provides attackers with direct access to authentication tokens and session identifiers that should remain protected within secure application memory structures. From an attack chain perspective, this vulnerability aligns with ATT&CK technique T1071.004, which covers application layer protocol usage, and T1566, which addresses credential access through social engineering or information disclosure.
Organizations affected by this vulnerability should implement immediate mitigations including updating to patched versions of the IBM BigFix Platform, implementing URL parameter sanitization protocols, and configuring server logging to prevent sensitive data exposure. The recommended remediation strategy involves comprehensive code review and security testing to ensure that no sensitive information is stored within URL parameters, while also implementing proper session management techniques that utilize secure cookies and server-side session storage. Additionally, organizations should enhance their monitoring capabilities to detect and alert on suspicious access patterns that may indicate exploitation attempts, while also implementing network-level controls to prevent unauthorized access to server logs and browser history data. The vulnerability demonstrates the critical importance of proper input validation and output encoding in web applications, emphasizing the need for comprehensive security awareness training for development teams and regular security assessments to identify and remediate similar vulnerabilities across the entire application ecosystem.