CVE-2018-5429 in JasperReports
Summary
by MITRE
A vulnerability in the report scripting component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server Community Edition, TIBCO JasperReports Server for ActiveMatrix BPM, TIBCO JasperReports Library, TIBCO JasperReports Library Community Edition, TIBCO JasperReports Library for ActiveMatrix BPM, TIBCO Jaspersoft for AWS with Multi-Tenancy, TIBCO Jaspersoft Reporting and Analytics for AWS, TIBCO Jaspersoft Studio, TIBCO Jaspersoft Studio Community Edition, and TIBCO Jaspersoft Studio for ActiveMatrix BPM may allow analytic reports that contain scripting to perform arbitrary code execution. Affected releases include TIBCO Software Inc.'s TIBCO JasperReports Server: versions up to and including 6.2.4; 6.3.0; 6.3.2;6.3.3; 6.4.0; 6.4.2, TIBCO JasperReports Server Community Edition: versions up to and including 6.4.2, TIBCO JasperReports Server for ActiveMatrix BPM: versions up to and including 6.4.2, TIBCO JasperReports Library: versions up to and including 6.2.4; 6.3.0; 6.3.2; 6.3.3; 6.4.0; 6.4.1; 6.4.2, TIBCO JasperReports Library Community Edition: versions up to and including 6.4.3, TIBCO JasperReports Library for ActiveMatrix BPM: versions up to and including 6.4.2, TIBCO Jaspersoft for AWS with Multi-Tenancy: versions up to and including 6.4.2, TIBCO Jaspersoft Reporting and Analytics for AWS: versions up to and including 6.4.2, TIBCO Jaspersoft Studio: versions up to and including 6.2.4; 6.3.0; 6.3.2; 6.3.3; 6.4.0; 6.4.2, TIBCO Jaspersoft Studio Community Edition: versions up to and including 6.4.3, TIBCO Jaspersoft Studio for ActiveMatrix BPM: versions up to and including 6.4.2.
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Analysis
by VulDB Data Team • 02/28/2023
The vulnerability identified as CVE-2018-5429 represents a critical security flaw within the report scripting component of TIBCO JasperReports products, specifically affecting multiple variants including server editions, library versions, and studio environments. This vulnerability stems from insufficient input validation and sanitization mechanisms that govern how scripting content is processed within analytic reports. The flaw allows malicious actors to inject and execute arbitrary code through carefully crafted report scripts, potentially compromising the entire reporting infrastructure. The affected systems span across various TIBCO JasperReports implementations, creating widespread exposure across enterprise analytics platforms that rely on these components for business intelligence and reporting functions.
The technical implementation of this vulnerability involves the improper handling of scripting elements within report definitions, where user-supplied script content is not adequately sanitized before execution. This weakness enables attackers to leverage the scripting engine to execute malicious commands on the underlying system, potentially gaining full control over the reporting server. The vulnerability is particularly dangerous because it operates at the core execution layer of the reporting framework, where scripts are processed and interpreted. According to CWE classification, this corresponds to CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: Python" and similar execution methods. The flaw essentially allows for arbitrary code execution through report rendering processes, bypassing normal access controls and authentication mechanisms.
The operational impact of CVE-2018-5429 extends beyond simple unauthorized code execution, creating significant risks for enterprise environments that depend on JasperReports for critical business operations. Organizations utilizing affected TIBCO products face potential data breaches, system compromise, and unauthorized access to sensitive business intelligence data. The vulnerability can be exploited remotely without authentication, making it particularly dangerous for publicly accessible reporting systems. Attackers could leverage this flaw to establish persistent access, escalate privileges, or deploy additional malicious payloads within the network. The widespread nature of affected products means that enterprises with multiple TIBCO implementations across different departments or business units would face cascading security risks. Furthermore, the vulnerability undermines the integrity of business intelligence processes, potentially leading to data manipulation or complete system outages. The exploitability of this vulnerability is enhanced by the fact that it can be triggered through standard report generation processes, making detection more challenging for security monitoring systems.
Organizations should immediately implement mitigations including applying the latest security patches released by TIBCO, implementing strict input validation for report scripts, and restricting script execution capabilities within the reporting environment. Network segmentation and access controls should be enhanced to limit exposure of reporting servers to untrusted networks. Regular security assessments and monitoring of report generation activities can help detect anomalous script execution patterns. Additionally, organizations should consider disabling script execution in non-essential reporting components and implementing comprehensive logging of report processing activities. The vulnerability highlights the importance of secure coding practices in enterprise reporting platforms and underscores the need for continuous security assessments of business intelligence systems. Organizations should also review their incident response procedures to ensure readiness for potential exploitation of this vulnerability, as the consequences could extend to regulatory compliance issues and significant financial impact due to potential data breaches.