CVE-2017-5529 in JasperReports Server
Summary
by MITRE
JasperReports library components contain an information disclosure vulnerability. This vulnerability includes the theoretical disclosure of any accessible information from the host file system. Affects TIBCO JasperReports Library Community Edition (versions 6.4.0 and below), TIBCO JasperReports Library for ActiveMatrix BPM (versions 6.2.0 and below), TIBCO JasperReports Professional (versions 6.2.1 and below, and 6.3.0), TIBCO JasperReports Server (versions 6.1.1 and below, 6.2.0, 6.2.1, 6.3.0), TIBCO JasperReports Server Community Edition (versions 6.3.0 and below), TIBCO JasperReports Server for ActiveMatrix BPM (versions 6.2.0 and below), TIBCO Jaspersoft for AWS with Multi-Tenancy (versions 6.3.0 and below), TIBCO Jaspersoft Reporting and Analytics for AWS (versions 6.3.0 and below), and TIBCO Jaspersoft Studio for ActiveMatrix BPM (versions 6.2.0 and below).
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Analysis
by VulDB Data Team • 12/09/2022
The CVE-2017-5529 vulnerability represents a critical information disclosure flaw within the TIBCO JasperReports library ecosystem, exposing systems to potential unauthorized data access. This vulnerability specifically affects multiple components including the Community Edition, Professional versions, Server implementations, and various AWS-based deployments. The flaw stems from insufficient input validation and access control mechanisms that allow remote attackers to enumerate and potentially access arbitrary files within the host file system. The vulnerability exists across numerous versions of JasperReports products, indicating a widespread issue that affects both enterprise and community editions, making it particularly concerning for organizations with extensive JasperReports deployments. This type of vulnerability falls under CWE-200, which specifically addresses information exposure, and aligns with ATT&CK technique T1083 for discovering files and directories.
The technical implementation of this vulnerability exploits the lack of proper path validation within the JasperReports library components, allowing attackers to craft malicious requests that traverse the file system. When processing certain report parameters or file references, the library fails to adequately sanitize user inputs, enabling path traversal attacks that can access files outside of intended directories. The impact extends beyond simple file enumeration to potentially exposing sensitive system information, configuration files, and database credentials stored within the host environment. Attackers can leverage this vulnerability to access critical system resources including application logs, configuration files, and potentially even source code repositories that may contain authentication details or other sensitive information.
The operational implications of this vulnerability are severe for organizations relying on JasperReports for business intelligence and reporting functions. Systems exposed to this vulnerability become potential entry points for attackers seeking to escalate privileges or gain access to additional system resources. The vulnerability affects multiple deployment scenarios including on-premises installations, cloud-based AWS implementations, and various BPM integrations, creating a broad attack surface. Organizations using these affected versions face significant risk of data breaches, compliance violations, and potential system compromise. The vulnerability's presence in both Community and Professional editions means that even organizations with basic implementations are at risk, while enterprise deployments with complex integrations face heightened exposure.
Mitigation strategies for CVE-2017-5529 should prioritize immediate version updates to patched releases of the affected JasperReports components. Organizations must implement network segmentation and access controls to limit exposure of JasperReports systems to untrusted networks. Input validation should be enhanced at all application layers to prevent malicious path traversal attempts, and comprehensive file access controls should be implemented to restrict file system access. Security monitoring should be enhanced to detect unusual file access patterns, and regular security assessments should be conducted to identify potential exploitation attempts. Additionally, organizations should consider implementing web application firewalls and intrusion detection systems to provide additional protection against exploitation attempts. The vulnerability demonstrates the importance of maintaining current software versions and implementing robust security controls around file system access in enterprise reporting platforms.