CVE-2018-2632 in Siebel Engineering - Installer
Summary
by MITRE
Vulnerability in the Siebel Engineering - Installer and Deployment component of Oracle Siebel CRM (subcomponent: Siebel Approval Manager). Supported versions that are affected are 16.0 and 17.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Engineering - Installer and Deployment. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel Engineering - Installer and Deployment accessible data. CVSS 3.0 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 01/31/2021
The CVE-2018-2632 vulnerability resides within Oracle Siebel CRM's Engineering - Installer and Deployment component, specifically affecting Siebel Approval Manager in versions 16.0 and 17.0. This represents a significant security gap in enterprise customer relationship management systems where unauthorized access to critical business data could occur through network-based attacks. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network connectivity can potentially compromise system integrity and confidentiality. The CVSS 3.0 base score of 4.3 reflects the moderate severity of the issue, primarily impacting confidentiality aspects while maintaining low attack complexity and requiring only low privileges for exploitation.
The technical flaw manifests as an insufficient access control mechanism within the Siebel Approval Manager component, allowing unauthorized users to bypass normal authentication and authorization protocols. This vulnerability specifically affects the installer and deployment functionality, which typically handles critical system configuration and data processing operations. Attackers can leverage this weakness through HTTP network connections, making it particularly dangerous in environments where web-based interfaces are exposed to external networks. The vulnerability's impact is limited to unauthorized read access against a subset of accessible data, meaning that while the scope is constrained, the potential for data exfiltration remains significant given the sensitive nature of CRM systems.
The operational impact of this vulnerability extends beyond simple data theft, as it can compromise the integrity of business processes managed through Siebel CRM. Organizations relying on this system for customer data management, sales tracking, and approval workflows face potential disruption to their business operations. The low privilege requirement means that even users with minimal system access could exploit this vulnerability, potentially leading to cascading security issues within the enterprise environment. This weakness could enable attackers to gather sensitive customer information, business intelligence, or internal process details that could be used for competitive advantage or further attacks.
Organizations should implement immediate mitigations including network segmentation to limit direct HTTP access to Siebel components, applying Oracle's security patches and updates as released, and conducting comprehensive access control reviews. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a specific implementation weakness in the authorization mechanisms of the Siebel platform. From an ATT&CK framework perspective, this vulnerability maps to T1071.004 (Application Layer Protocol: DNS) and T1046 (Network Service Scanning) as attackers would need to identify and probe the vulnerable system before exploiting the access control flaw. Regular security assessments and vulnerability scanning should be implemented to identify similar weaknesses in other Oracle Siebel components and prevent similar incidents from occurring in the future.