CVE-2014-6257 in Zenoss
Summary
by MITRE
Zenoss Core through 5 Beta 3 allows remote attackers to bypass intended access restrictions by using a web-endpoint URL to invoke an object helper method, aka ZEN-15407.
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Analysis
by VulDB Data Team • 09/10/2024
The vulnerability identified as CVE-2014-6257 affects Zenoss Core versions through 5 Beta 3, representing a critical authorization bypass flaw that undermines the platform's security controls. This issue stems from improper access validation within the web endpoint handling mechanism, allowing remote attackers to exploit object helper methods through direct URL invocation. The vulnerability specifically targets the application's method execution framework, where legitimate administrative functions can be accessed without proper authentication or authorization checks. Attackers can leverage this weakness to perform unauthorized operations that should typically be restricted to privileged users, potentially leading to complete system compromise or data exposure.
The technical implementation of this vulnerability resides in the web application's parameter handling and method invocation logic within the Zenoss Core framework. When a user accesses a specific web endpoint URL, the application fails to validate whether the requesting entity has appropriate permissions to execute the targeted object helper method. This flaw operates at the application layer and can be exploited through simple HTTP requests without requiring complex attack vectors or specialized tools. The vulnerability demonstrates characteristics consistent with CWE-285, which addresses improper authorization in software systems, and aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential access through web application attacks.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to perform administrative functions such as user management, configuration changes, data manipulation, and system monitoring. Remote exploitation means that attackers can target the system from any location without requiring physical access or local network presence, making the attack surface significantly larger. The affected environment becomes vulnerable to privilege escalation attacks, where unauthenticated users can gain elevated privileges and potentially access sensitive system information, modify configurations, or disrupt services. This vulnerability particularly affects organizations relying on Zenoss Core for infrastructure monitoring and management, as it undermines the trust model and security boundaries established within the platform.
Mitigation strategies for CVE-2014-6257 should focus on implementing proper input validation, access control enforcement, and authentication checks within the web endpoint handling logic. Organizations should immediately upgrade to patched versions of Zenoss Core, as the vulnerability was addressed in subsequent releases through enhanced authorization controls. Additional protective measures include implementing network segmentation to limit access to Zenoss Core components, deploying web application firewalls to monitor and filter suspicious requests, and conducting thorough access control reviews to ensure proper privilege boundaries. Security teams should also implement monitoring solutions to detect unusual access patterns or unauthorized method invocations, as the vulnerability may be exploited in automated scanning campaigns targeting known web application flaws. The remediation process should include comprehensive testing to ensure that all object helper methods properly enforce authorization requirements and that no similar bypass opportunities exist within the application's architecture.