CVE-2005-1961 in c-jdbc
Summary
by MITRE
unknown vulnerability in objectweb consortium c-jdbc before 1.3.1 allows local users to bypass intended access restrictions and obtain the cache results from another user.
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Analysis
by VulDB Data Team • 07/09/2018
The vulnerability identified as CVE-2005-1961 affects the ObjectWeb Consortium c-jdbc software version 1.3.0 and earlier, presenting a critical security flaw that undermines access control mechanisms within the application. This issue resides in the cache management system where proper isolation between user sessions is compromised, allowing unauthorized access to cached data. The vulnerability specifically targets the internal cache implementation that stores query results and other sensitive information processed by the database proxy component.
This security weakness stems from inadequate session isolation within the caching architecture, where cache entries are not properly scoped to individual user contexts. The technical flaw manifests when multiple users interact with the c-jdbc proxy simultaneously, as the cache mechanism fails to distinguish between different user sessions and their respective data. This results in cache pollution and cross-contamination of cached results, where one user's cached data becomes accessible to other concurrent users. The vulnerability operates at the application layer and requires local system access to exploit, making it particularly concerning for environments where privileged access is compromised.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables potential information leakage that could compromise sensitive business data, user privacy, and system integrity. Attackers with local access can leverage this flaw to obtain cached results belonging to other users, potentially accessing confidential information such as database query results, user session data, or application-specific cache entries. This cross-user cache access represents a significant violation of the principle of least privilege and could facilitate further attacks by providing attackers with valuable information about system operations and user behavior patterns. The vulnerability aligns with CWE-284, which addresses improper access control in software systems, and demonstrates how inadequate cache isolation can create persistent security weaknesses.
Mitigation strategies for this vulnerability require immediate patching of the c-jdbc software to version 1.3.1 or later, which includes proper session scoping and cache isolation mechanisms. Organizations should implement additional monitoring controls to detect unauthorized cache access patterns and establish strict access controls for local system access. Network segmentation and privilege separation measures can help reduce the attack surface, while regular security audits should verify proper cache implementation and user isolation. The remediation process should also include reviewing and updating access control policies to ensure that local system access is properly restricted and monitored. This vulnerability highlights the importance of proper cache design and session management in database proxy systems, aligning with ATT&CK technique T1078 for valid accounts and T1566 for credential access through application vulnerabilities.