CVE-2016-5451 in Siebel UI Framework
Summary
by MITRE
Unspecified vulnerability in the Siebel UI Framework component in Oracle Siebel CRM 8.1.1, 8.2.2, IP2014, IP2015, and IP2016 allows remote authenticated users to affect confidentiality and integrity via vectors related to EAI, a different vulnerability than CVE-2016-5468.
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Analysis
by VulDB Data Team • 09/07/2022
The vulnerability identified as CVE-2016-5451 affects the Siebel UI Framework component within Oracle Siebel CRM versions 8.1.1, 8.2.2, and various Internet Profile releases from 2014 through 2016. This security flaw represents a significant concern for organizations relying on Siebel CRM for business operations, as it permits remote authenticated attackers to compromise both the confidentiality and integrity of system data. The vulnerability specifically relates to EAI (Enterprise Application Integration) functionality within the Siebel UI Framework, distinguishing it from other related vulnerabilities such as CVE-2016-5468 which addresses different aspects of the same software component. The affected versions indicate a prolonged timeframe of exposure, suggesting that organizations implementing these legacy systems may have been vulnerable for extended periods without proper patching or mitigation strategies.
The technical nature of this vulnerability stems from insufficient input validation and sanitization within the EAI integration capabilities of the Siebel UI Framework. When authenticated users interact with EAI-related features, the system fails to properly validate or sanitize data inputs, potentially allowing malicious actors to manipulate system behavior and access sensitive information. This weakness creates opportunities for data exfiltration and unauthorized modifications to critical business data within the Siebel environment. The vulnerability's classification under the broader category of application-level flaws aligns with common CWE classifications for input validation issues, particularly those involving data sanitization and access control mechanisms. Attackers exploiting this vulnerability could potentially gain unauthorized access to confidential customer information, modify business records, or disrupt normal operational procedures through carefully crafted EAI requests.
From an operational impact perspective, this vulnerability poses substantial risks to organizations utilizing Siebel CRM systems, particularly those handling sensitive customer data and business-critical information. The remote nature of the attack vector means that threat actors do not require physical access to the system to exploit the vulnerability, significantly expanding the potential attack surface. Organizations may experience data breaches resulting in customer information disclosure, financial losses, regulatory compliance violations, and reputational damage. The integrity impact suggests that attackers could modify business data, potentially affecting sales records, customer information, or other critical business processes. The authentication requirement indicates that the vulnerability cannot be exploited by anonymous users, but once authenticated, malicious users within the system could leverage this weakness to escalate their privileges or access additional resources beyond their intended permissions. This vulnerability represents a significant concern for organizations that have not implemented proper security controls or have not applied the necessary patches to address this specific issue.
Mitigation strategies for CVE-2016-5451 should focus on immediate patch application from Oracle, which would address the underlying input validation and sanitization issues within the EAI framework. Organizations should implement network segmentation to limit access to Siebel CRM systems, ensuring that only authorized users and systems can interact with the vulnerable EAI components. Additional security measures include implementing robust monitoring and logging of EAI activities to detect anomalous behavior, establishing strict access controls and privilege management, and conducting regular security assessments of the Siebel environment. Network-based intrusion detection systems should be configured to monitor for suspicious EAI traffic patterns that could indicate exploitation attempts. Organizations should also consider implementing application-level firewalls or web application firewalls to filter malicious requests targeting the vulnerable EAI interfaces. The remediation process should include comprehensive testing of patches in staging environments before deployment to production systems to ensure no regression issues occur. Furthermore, security awareness training for administrators and developers regarding secure coding practices and proper input validation techniques can help prevent similar vulnerabilities from emerging in custom applications built on the Siebel platform, aligning with industry best practices for application security and the principles outlined in the MITRE ATT&CK framework for enterprise security assessments.