CVE-2015-7465 in Jazz Reporting Service
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in Lifecycle Query Engine (LQE) in IBM Jazz Reporting Service (JRS) 6.0 before 6.0.0-Rational-CLM-ifix005 allows remote authenticated users to hijack the authentication of arbitrary users for requests that insert XSS sequences.
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Analysis
by VulDB Data Team • 06/06/2018
The CVE-2015-7465 vulnerability represents a critical cross-site request forgery flaw within IBM Jazz Reporting Service's Lifecycle Query Engine component. This vulnerability specifically affects version 6.0 of the reporting service prior to the 6.0.0-Rational-CLM-ifix005 patch release, creating a significant security risk for organizations utilizing IBM's collaborative lifecycle management platform. The vulnerability exists in the LQE subsystem which handles query processing and reporting functionalities, making it a core component of the service's operational framework. Attackers exploiting this flaw can leverage authenticated user sessions to execute malicious requests without the victim's knowledge or consent.
The technical exploitation of this CSRF vulnerability occurs through the manipulation of the LQE's request handling mechanism, where authenticated users can be tricked into executing unauthorized actions. The flaw specifically enables attackers to insert malicious XSS sequences during request processing, effectively allowing the execution of arbitrary scripts within the context of the victim's browser session. This dual nature of the vulnerability combines both CSRF and XSS attack vectors, amplifying the potential impact significantly. The vulnerability stems from insufficient validation of request origins and lack of proper anti-CSRF token implementation within the LQE's processing pipeline.
The operational impact of this vulnerability extends beyond simple session hijacking, as it provides attackers with the capability to execute persistent cross-site scripting attacks against authenticated users. This creates a dangerous scenario where compromised users become unwitting participants in further attacks, potentially leading to data exfiltration, privilege escalation, or complete system compromise. The vulnerability affects all authenticated users of the IBM Jazz Reporting Service, making it particularly dangerous in enterprise environments where multiple users interact with the platform. Organizations utilizing this service may experience unauthorized data access, modification of reporting configurations, or potential lateral movement within their network infrastructure through the compromised user sessions.
Mitigation strategies for CVE-2015-7465 primarily focus on applying the vendor-provided patch 6.0.0-Rational-CLM-ifix005 which addresses the CSRF token validation issues within the LQE component. Organizations should also implement additional security controls such as ensuring proper session management practices, implementing content security policies to mitigate XSS impacts, and conducting regular security assessments of their IBM Jazz Reporting Service installations. Network segmentation and monitoring of LQE-related traffic can help detect anomalous request patterns that may indicate exploitation attempts. This vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery weaknesses, and represents a technique commonly used in the ATT&CK framework under the 'Initial Access' and 'Persistence' phases where attackers establish footholds through session manipulation and code injection. Organizations should also consider implementing web application firewalls and regular security updates to prevent similar vulnerabilities from being exploited in their environments.