CVE-2018-2959 in Siebel UI Framework
Summary
by MITRE
Vulnerability in the Siebel UI Framework component of Oracle Siebel CRM (subcomponent: UIF Open UI). The supported version that is affected is 18.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel UI Framework. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel UI Framework accessible data. CVSS 3.0 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 04/18/2023
The vulnerability identified as CVE-2018-2959 resides within Oracle Siebel CRM's Siebel UI Framework component, specifically within the UIF Open UI subcomponent version 18.0. This represents a significant security weakness that affects organizations utilizing Oracle's customer relationship management platform. The vulnerability operates at the application layer and demonstrates characteristics of a web application security flaw that can be exploited through standard network protocols.
The technical flaw manifests as an insufficient authorization mechanism within the Siebel UI Framework that permits unauthorized access to sensitive data manipulation functions. The vulnerability requires minimal attack complexity with a low access vector, meaning an attacker can exploit this issue remotely over HTTP without requiring any authentication credentials. The CVSS score of 4.3 indicates a moderate severity level with specific integrity impacts, though the vector analysis reveals that successful exploitation requires user interaction from someone other than the attacker, suggesting a social engineering component may be necessary. This human interaction requirement typically involves tricking a legitimate user into performing actions that inadvertently enable the attacker's malicious code execution or data manipulation.
The operational impact of this vulnerability extends beyond simple data integrity concerns as it provides attackers with unauthorized update, insert, or delete access to data within the Siebel UI Framework. While the CVSS scoring indicates no direct confidentiality or availability impacts, the ability to modify data within the system creates substantial business risk, particularly for organizations relying on Siebel CRM for critical customer relationship management functions. The vulnerability affects the entire Siebel UI Framework, meaning that any data accessible through this framework could potentially be compromised, including customer records, sales data, and other sensitive business information.
Organizations should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate patching of affected systems to the latest Oracle Siebel CRM versions that contain the necessary security fixes. Network segmentation and access controls should be strengthened to limit exposure of the affected components, while monitoring systems should be enhanced to detect anomalous access patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-284, which addresses improper access control issues, and represents a clear violation of the principle of least privilege that should be enforced within enterprise applications. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and data manipulation, potentially allowing adversaries to maintain persistence through unauthorized data modifications that could go undetected for extended periods. Additionally, organizations should conduct thorough security assessments to identify any other potentially affected components within their Siebel CRM deployment and implement comprehensive user education programs to reduce the risk associated with the required human interaction component of the exploit.