CVE-2017-1340 in Jazz Reporting Service
Summary
by MITRE
IBM Jazz Reporting Service (JRS) 6.0.4 could allow an authenticated user to obtain information on another server that the current report bulder interacts with. IBM X-Force ID: 126455.
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Analysis
by VulDB Data Team • 01/21/2021
The vulnerability identified as CVE-2017-1340 affects IBM Jazz Reporting Service version 6.0.4, specifically targeting the report builder functionality within the system. This issue represents a significant information disclosure flaw that enables authenticated users to access sensitive data from interconnected servers. The vulnerability stems from inadequate access controls and improper validation of server interactions within the reporting service architecture, creating a potential pathway for unauthorized data exposure.
This technical flaw manifests as a lack of proper server-to-server communication validation within the JRS environment. When an authenticated user constructs reports, the system fails to adequately verify or restrict access to external server resources that the report builder may interact with during data retrieval operations. The vulnerability essentially allows a malicious user with legitimate access credentials to indirectly obtain information from systems they should not normally be able to reach, creating a lateral information disclosure scenario.
The operational impact of this vulnerability extends beyond simple data exposure, as it could enable attackers to gather intelligence about the broader network infrastructure, identify additional systems within the environment, and potentially uncover sensitive configuration details or data structures. Attackers could leverage this weakness to build more comprehensive attack vectors by understanding the interconnected systems and their communication patterns. The vulnerability particularly affects organizations that rely on JRS for business intelligence and reporting, as it undermines the security boundaries between different server components.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-200, which addresses information exposure, and represents a specific instance of improper access control. The issue also maps to ATT&CK technique T1083, which covers discovery of system information, as attackers could use this vulnerability to gather server information without direct access to those systems. Organizations should consider this vulnerability as part of their broader information disclosure risk assessment, particularly in environments where multiple interconnected systems share reporting functionalities.
The recommended mitigations include implementing proper access controls and server validation mechanisms within the JRS configuration, ensuring that report builders cannot access unauthorized server resources, and applying the vendor-provided security patches. Organizations should also conduct regular security assessments of their reporting environments and implement network segmentation to limit the potential impact of such vulnerabilities. Additionally, monitoring and logging of report builder activities can help detect unusual access patterns that might indicate exploitation attempts, while regular security training for users can help prevent accidental exposure through improper system usage.