CVE-2018-1468 in API Connect
Summary
by MITRE
IBM API Connect 5.0.8.1 and 5.0.8.2 could allow a user to get access to internal environment and sensitive API details to which they are not authorized. IBM X-Force ID: 140399.
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Analysis
by VulDB Data Team • 03/08/2023
This vulnerability in IBM API Connect versions 5.0.8.1 and 5.0.8.2 represents a critical authorization bypass flaw that enables unauthorized users to access internal system components and sensitive API information. The issue stems from inadequate access controls within the API management platform, allowing malicious actors to exploit weaknesses in the authentication and authorization mechanisms. This vulnerability falls under the CWE-284 access control weakness category, specifically addressing improper access control where users can obtain privileges they should not possess. The vulnerability is particularly concerning because it affects the core API management functionality of IBM API Connect, which serves as a central hub for API governance and security orchestration.
The technical implementation of this flaw likely involves improper validation of user permissions when accessing internal API endpoints or system resources. Attackers can potentially leverage this vulnerability to enumerate internal services, access restricted API documentation, or gain insights into the underlying infrastructure architecture. This type of information disclosure can provide threat actors with valuable reconnaissance data for planning more sophisticated attacks. The vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1590 (Reconnaissance) as it enables unauthorized discovery of internal system components. The impact extends beyond simple information disclosure, as access to internal API details can facilitate further exploitation attempts including privilege escalation or lateral movement within the network.
The operational consequences of this vulnerability are significant for organizations relying on IBM API Connect for their API management needs. Unauthorized access to sensitive API details can lead to intellectual property theft, service disruption, or data breaches when attackers use the discovered information to target other system components. Organizations may experience compliance violations if sensitive API information is exposed, particularly in regulated environments where API governance and access control are critical requirements. The vulnerability affects the integrity and confidentiality of the API management platform, potentially compromising the entire API ecosystem that depends on proper access controls. Security teams must consider this vulnerability as part of their broader threat landscape assessment, as it represents a potential entry point for attackers seeking to understand and exploit the organization's API infrastructure.
Organizations should implement immediate mitigations including applying the relevant IBM security patches and updates, reviewing and strengthening access controls within their API management environment, and conducting thorough security assessments of their API endpoints. Network segmentation and monitoring of API access patterns can help detect anomalous behavior that may indicate exploitation attempts. The vulnerability highlights the importance of proper authorization mechanisms and demonstrates the critical need for regular security assessments of API management platforms. Organizations should also consider implementing additional security controls such as API key rotation, enhanced logging, and regular access reviews to minimize the risk of unauthorized access to sensitive API information. This vulnerability serves as a reminder of the essential security controls required in modern API management systems and the potential consequences of inadequate access control implementation.