CVE-2017-1734 in Jazz Team Server
Summary
by MITRE
IBM Jazz Team Server affecting the following IBM Rational Products: Collaborative Lifecycle Management (CLM), Rational DOORS Next Generation (RDNG), Rational Engineering Lifecycle Manager (RELM), Rational Team Concert (RTC), Rational Quality Manager (RQM), Rational Rhapsody Design Manager (Rhapsody DM), and Rational Software Architect (RSA DM) stores potentially sensitive information in a cache that could be read by authenticated users. IBM X-Force ID: 134915.
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Analysis
by VulDB Data Team • 03/07/2023
The vulnerability identified as CVE-2017-1734 affects IBM Jazz Team Server which serves as the foundational platform for multiple IBM Rational products including Collaborative Lifecycle Management CLM, Rational DOORS Next Generation RDNG, Rational Engineering Lifecycle Manager RELM, Rational Team Concert RTC, Rational Quality Manager RQM, Rational Rhapsody Design Manager Rhapsody DM, and Rational Software Architect RSA DM. This security flaw resides within the server's caching mechanism where sensitive information is improperly stored and accessible to authenticated users who should not have such privileges. The issue represents a critical data exposure vulnerability that undermines the confidentiality controls of the entire IBM Rational suite.
The technical implementation flaw involves the caching subsystem within IBM Jazz Team Server where sensitive data elements are stored in memory or temporary storage locations without adequate access controls or encryption. When the server processes requests from authenticated users, it maintains cached data that includes potentially sensitive information such as user credentials, session tokens, system configurations, or proprietary project data. The vulnerability occurs because the cache does not properly enforce authorization checks or implement appropriate data isolation mechanisms, allowing authenticated users to access cached information that they should not be permitted to view. This behavior violates fundamental security principles of least privilege and data confidentiality.
The operational impact of this vulnerability extends across the entire IBM Rational product ecosystem, affecting organizations that rely on these tools for software development lifecycle management, requirements management, quality assurance, and enterprise architecture. Attackers who gain access to any authenticated user account within the system can potentially extract sensitive information from the cache, leading to unauthorized access to proprietary data, intellectual property theft, or system compromise. The vulnerability is particularly concerning because it affects multiple products within the IBM Rational portfolio, meaning that a single exploit could potentially provide access to data across various business domains including requirements management, testing, and architecture design. This creates cascading security implications for organizations that use multiple Rational products in their development processes.
Organizations should implement immediate mitigations including updating to patched versions of IBM Jazz Team Server, configuring additional access controls around cached data, and implementing network segmentation to limit access to the Jazz Team Server infrastructure. System administrators should review and tighten authentication mechanisms, monitor access logs for unauthorized cache access attempts, and consider implementing data loss prevention solutions. The vulnerability aligns with CWE-200, which addresses "Information Exposure," and represents a specific implementation of improper access control within caching systems. From an ATT&CK framework perspective, this vulnerability maps to techniques involving credential access and privilege escalation through information disclosure, potentially enabling adversaries to move laterally within the system and access additional resources. Organizations should also consider implementing regular security assessments and vulnerability scanning to identify similar issues in other caching mechanisms within their software infrastructure.