CVE-2016-5450 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 attackers to affect integrity via vectors related to UIF Open UI.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 09/07/2022
The vulnerability identified as CVE-2016-5450 resides within the Siebel UI Framework component of Oracle Siebel CRM versions 8.1.1, 8.2.2, and several Integrated Product releases from 2014 through 2016. This issue represents a security flaw that enables remote attackers to compromise the integrity of the system through specific vectors associated with the UIF Open UI functionality. The affected component operates as part of Oracle's customer relationship management platform, which serves as a critical business application for enterprise organizations worldwide. The vulnerability specifically targets the user interface framework that governs how Siebel applications render and process user interactions, particularly within the Open UI environment that allows for customizations and extensions.
The technical nature of this vulnerability stems from insufficient input validation and sanitization mechanisms within the UIF Open UI processing pipeline. Attackers can exploit this weakness by crafting malicious input or requests that manipulate the UI framework's behavior, potentially leading to unauthorized modifications of application data or system state. This type of vulnerability falls under the category of integrity violations as defined by the Common Weakness Enumeration framework, specifically relating to weaknesses in input validation and data sanitization. The attack surface is particularly concerning given that the Siebel CRM platform typically handles sensitive business data including customer information, sales records, and financial transactions that require strict integrity controls.
The operational impact of this vulnerability extends beyond simple data corruption, as it could enable attackers to modify critical business processes or manipulate customer records within the CRM system. Organizations relying on Siebel CRM for core business operations face significant risks including potential data tampering, unauthorized access to confidential information, and disruption of business processes that depend on accurate CRM data. The remote exploitation capability means attackers do not require physical access to the system or network, making this vulnerability particularly dangerous for organizations with distributed deployments or cloud-based Siebel implementations. This vulnerability directly impacts the CIA triad, specifically compromising data integrity as outlined in the National Institute of Standards and Technology cybersecurity framework.
Mitigation strategies for CVE-2016-5450 should include immediate application of Oracle's security patches and updates specifically addressing this vulnerability. Organizations must also implement network segmentation and access controls to limit exposure of Siebel CRM systems to untrusted networks. Security monitoring should be enhanced to detect anomalous behavior in the UIF Open UI processing components, and regular security assessments should be conducted to identify potential exploitation attempts. The vulnerability aligns with several ATT&CK framework techniques including T1071.004 for application layer protocol abuse and T1566 for phishing attacks that could leverage this weakness. Additionally, organizations should consider implementing web application firewalls and input validation controls specifically designed to prevent malicious input from reaching the vulnerable UI framework components. Regular vulnerability assessments and penetration testing should be conducted to ensure that the implemented mitigations remain effective against evolving attack vectors targeting the Siebel CRM platform.