CVE-2019-8993 in ActiveMatrix BPM
Summary
by MITRE
The administrative web server component of TIBCO Software Inc.'s TIBCO ActiveMatrix BPM, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric, TIBCO ActiveMatrix Policy Director, TIBCO ActiveMatrix Service Bus, TIBCO ActiveMatrix Service Grid, TIBCO ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric, TIBCO Silver Fabric Enabler for ActiveMatrix BPM, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid contains a vulnerability that could theoretically allow an unauthenticated user to download a file with credentials information. Affected releases are TIBCO Software Inc.'s TIBCO ActiveMatrix BPM: versions up to and including 4.2.0, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric: versions up to and including 4.2.0, TIBCO ActiveMatrix Policy Director: versions up to and including 1.1.0, TIBCO ActiveMatrix Service Bus: versions up to and including 3.3.0, TIBCO ActiveMatrix Service Grid: versions up to and including 3.3.1, TIBCO ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric: versions up to and including 3.3.0, TIBCO Silver Fabric Enabler for ActiveMatrix BPM: versions up to and including 1.4.1, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid: versions up to and including 1.3.1.
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Analysis
by VulDB Data Team • 09/06/2023
The vulnerability identified as CVE-2019-8993 resides within the administrative web server component of multiple TIBCO Software Inc. products including ActiveMatrix BPM, Service Bus, and Service Grid platforms. This flaw represents a critical security weakness that could enable unauthorized access to sensitive credential information through file download capabilities. The affected systems include various versions of TIBCO's enterprise integration and business process management platforms, with specific versions up to and including 4.2.0 for BPM products, 3.3.1 for Service Grid, and 1.1.0 for Policy Director. The vulnerability exists in the administrative web interface that manages these enterprise platforms, creating a potential attack vector for malicious actors seeking to compromise system security.
This security weakness stems from inadequate access controls within the administrative web server component, allowing unauthenticated users to exploit a file download functionality that should normally require proper authentication and authorization. The flaw essentially permits any remote attacker to access files containing credential information without providing valid credentials or authentication tokens. This type of vulnerability aligns with CWE-284, which describes improper access control issues where systems fail to properly restrict access to resources or functions. The technical implementation appears to lack proper session management and authentication verification mechanisms before allowing file retrieval operations, particularly those that might contain sensitive configuration data or credential stores.
The operational impact of this vulnerability is severe and multifaceted across TIBCO enterprise environments. An unauthenticated attacker could potentially extract sensitive credential information that would allow them to gain full administrative access to the affected systems, compromising the entire platform infrastructure. This access could enable attackers to manipulate business processes, service endpoints, and integration workflows that these platforms manage. The vulnerability affects multiple interconnected TIBCO products within the same ecosystem, meaning that exploitation in one component could potentially provide lateral movement capabilities to other systems within the enterprise network. Organizations using these platforms face significant risk of data breaches, service disruption, and potential compliance violations under regulations such as GDPR, HIPAA, or SOX requirements. The attack surface extends beyond simple credential theft to include potential privilege escalation and system compromise across the entire TIBCO software stack.
Mitigation strategies for CVE-2019-8993 should prioritize immediate patching of affected TIBCO software versions through official vendor updates and security patches. Organizations must implement network segmentation to isolate administrative web server components from public networks and apply strict firewall rules to restrict access to administrative interfaces. The implementation of strong authentication mechanisms including multi-factor authentication should be enforced for all administrative access points. Regular security audits and penetration testing should be conducted to identify similar access control vulnerabilities within the TIBCO ecosystem and other enterprise platforms. Network monitoring solutions should be configured to detect unusual file download patterns or unauthorized access attempts to administrative interfaces. Security teams should also implement proper log monitoring and alerting for administrative activities, particularly those involving file access operations that might contain sensitive data. Additionally, organizations should consider implementing privileged access management solutions to further reduce the risk of credential exposure and unauthorized administrative access. These measures align with ATT&CK framework tactics related to privilege escalation and credential access, ensuring comprehensive protection against exploitation of this specific vulnerability.