CVE-2022-41560 in Nimbus
Summary
by MITRE • 12/06/2022
The Statement Set Upload via the Web Client component of TIBCO Software Inc.'s TIBCO Nimbus contains an easily exploitable vulnerability that allows a low privileged attacker with network access to execute a Denial of Service Attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO Nimbus: version 10.5.0.
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Analysis
by VulDB Data Team • 02/22/2023
The vulnerability identified as CVE-2022-41560 resides within the Web Client component of TIBCO Software Inc.'s TIBCO Nimbus platform, specifically affecting version 10.5.0. This represents a critical security flaw that undermines the availability of the system through a denial of service attack vector. The vulnerability's exploitability is particularly concerning as it requires minimal privileges and network access, making it accessible to attackers who may not possess elevated system permissions. The affected TIBCO Nimbus platform serves as a comprehensive integration and application development environment that enables organizations to build, deploy, and manage distributed applications across various enterprise environments. The Web Client component specifically handles user interactions and administrative functions, making it a prime target for attackers seeking to disrupt business operations and compromise system availability.
The technical flaw manifests in the Statement Set Upload functionality, which appears to lack proper input validation and sanitization mechanisms. When processing uploaded statement sets through the web interface, the system fails to adequately validate or constrain the size, format, or content of the uploaded data. This weakness creates an opportunity for attackers to craft malicious payloads that can trigger resource exhaustion or unexpected system behavior within the TIBCO Nimbus environment. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical expertise or specialized tools, while the low privilege requirement suggests that even basic user accounts with network connectivity can potentially leverage this flaw. The underlying architecture of TIBCO Nimbus likely processes uploaded statement sets without sufficient defensive measures against malformed or oversized inputs, creating a pathway for attackers to consume system resources or trigger application crashes.
The operational impact of this vulnerability extends beyond simple service disruption, potentially causing significant business interruptions and operational downtime for organizations relying on TIBCO Nimbus for critical integration and application management tasks. A successful denial of service attack could prevent authorized users from accessing administrative functions, uploading necessary application components, or managing deployed services within the platform. The attack surface is particularly concerning in enterprise environments where TIBCO Nimbus serves as a foundational integration platform for mission-critical applications. Organizations may experience cascading effects as the denial of service propagates through interconnected systems, potentially impacting multiple business processes that depend on the availability of the TIBCO environment. The vulnerability's exploitation could also serve as a precursor to more sophisticated attacks, as attackers might use the initial compromise to establish persistent access or gather intelligence about the target environment.
Security professionals should prioritize immediate remediation of this vulnerability through the application of available patches or updates from TIBCO Software Inc. The mitigation strategy should include network-level restrictions to limit access to the Web Client component, implementing additional input validation controls, and monitoring for suspicious upload activities. Organizations should also consider implementing network segmentation to isolate critical TIBCO Nimbus components and reduce the potential attack surface. The vulnerability demonstrates the importance of proper input validation and resource management in web applications, aligning with common weakness enumerations such as CWE-20 for improper input validation and CWE-400 for unchecked resource consumption. From an attack framework perspective, this vulnerability would map to the attack technique of resource exhaustion under the MITRE ATT&CK framework, potentially enabling broader compromise through subsequent attack phases. The incident underscores the necessity of comprehensive security testing, including security code reviews and penetration testing, to identify and remediate similar vulnerabilities in complex enterprise integration platforms. Organizations should also establish robust incident response procedures to quickly detect and respond to potential exploitation attempts, ensuring minimal disruption to critical business operations while maintaining the integrity and availability of their TIBCO Nimbus environments.