CVE-2013-5769 in Siebel CRM
Summary
by MITRE
Unspecified vulnerability in the Siebel Core - EAI component in Oracle Siebel CRM 8.1.1 allows remote authenticated users to affect availability via unknown vectors related to Web Services.
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Analysis
by VulDB Data Team • 05/31/2021
The vulnerability identified as CVE-2013-5769 resides within the Siebel Core - EAI component of Oracle Siebel CRM version 8.1.1, representing a critical security weakness that impacts the availability of the affected system. This issue affects remote authenticated users who can exploit the vulnerability through Web Services interfaces, potentially disrupting normal business operations and service availability. The unspecified nature of the exact attack vectors makes this vulnerability particularly concerning as security teams cannot fully anticipate or prepare for all possible exploitation methods.
The technical flaw manifests within the Enterprise Application Integration framework of Siebel CRM, specifically in how the system processes and handles Web Services requests. When authenticated users submit crafted requests through the EAI component, the system fails to properly validate or sanitize input parameters, creating opportunities for denial of service conditions. This weakness falls under the category of availability impact as defined by the Common Weakness Enumeration standard, specifically aligning with CWE-400 which addresses unspecified weaknesses in resource management. The vulnerability demonstrates characteristics consistent with insufficient input validation and inadequate error handling mechanisms that are commonly exploited in web service environments.
From an operational perspective, the impact of this vulnerability extends beyond simple service disruption to potentially affect business continuity and customer satisfaction within organizations relying on Siebel CRM for their customer relationship management operations. Attackers can leverage this weakness to exhaust system resources, cause application crashes, or force service unavailability, which directly impacts the organization's ability to conduct business operations. The remote nature of the attack means that adversaries do not require physical access to the system, making the vulnerability accessible from anywhere on the network, while the authentication requirement suggests that only legitimate users with valid credentials can exploit the weakness, though this still represents a significant insider threat risk. The attack surface is particularly wide given that Web Services are fundamental components of modern enterprise applications and are often exposed to external networks.
Organizations should implement immediate mitigations including applying the relevant Oracle security patches and updates that address this vulnerability, as well as implementing network segmentation and access controls to limit exposure of the EAI components to only trusted networks and users. Security monitoring should be enhanced to detect unusual patterns of Web Services requests that might indicate exploitation attempts. The vulnerability's characteristics align with tactics described in the MITRE ATT&CK framework under the "Denial of Service" and "Resource Exhaustion" techniques, where adversaries seek to make services unavailable to legitimate users. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in the broader enterprise application landscape, particularly focusing on web service interfaces and EAI components. Organizations should also consider implementing application firewalls and web application firewalls to filter and monitor traffic to these vulnerable components, ensuring that only properly validated requests are processed by the Siebel CRM system.