CVE-2017-3288 in FLEXCUBE Investor Servicing
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Investor Servicing component of Oracle Financial Services Applications (subcomponent: Unit Trust). Supported versions that are affected are 12.0.1, 12.0.2, 12.0.3, 12.0.4, 12.1.0, 12.2.0 and 12.3.0. Easily "exploitable" vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Investor Servicing. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Investor Servicing accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The vulnerability identified as CVE-2017-3288 resides within Oracle FLEXCUBE Investor Servicing, a critical component of Oracle Financial Services Applications designed for managing investor services and unit trust operations. This particular flaw affects multiple version streams including 12.0.1 through 12.3.0, indicating a widespread impact across the product lifecycle. The vulnerability operates within the Unit Trust subcomponent, which handles essential investor servicing functions including portfolio management, transaction processing, and fund administration. The affected system represents a cornerstone of financial services infrastructure where unauthorized access could potentially compromise sensitive investor data and financial transaction integrity.
The technical nature of this vulnerability manifests as an insufficient authorization check within the HTTP request processing mechanism of the Oracle FLEXCUBE Investor Servicing component. Attackers exploiting this weakness can leverage low privilege network access to bypass expected authentication controls and gain unauthorized access to critical financial data. The vulnerability's classification as "easily exploitable" suggests that the attack vector requires minimal technical expertise or resources, making it particularly dangerous in production environments where network exposure is common. The flaw specifically enables attackers to perform unauthorized update, insert, or delete operations against certain data elements within the system, while also allowing read access to sensitive information within the application's data scope.
The operational impact of this vulnerability extends beyond simple data compromise, as it represents a significant threat to both data integrity and confidentiality within financial services environments. Successful exploitation could enable attackers to modify investor portfolio holdings, alter transaction records, or manipulate fund valuation data, potentially leading to substantial financial losses and regulatory violations. The CVSS 3.0 score of 5.4 indicates a moderate severity threat with specific impacts to both confidentiality and integrity, though the absence of availability impact suggests the vulnerability primarily affects data manipulation rather than system disruption. The vulnerability's network accessibility means that attackers could potentially exploit it from external networks without requiring physical access or elevated privileges, making it particularly concerning for organizations with exposed web services.
Organizations affected by this vulnerability should prioritize immediate mitigation through Oracle's security patches and updates, as the vulnerability affects multiple supported versions across the FLEXCUBE application suite. Network segmentation and access control measures should be implemented to limit exposure of the affected components, while comprehensive monitoring should be deployed to detect unauthorized access attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of the principle of least privilege, where users should only have access to resources necessary for their specific functions. From an ATT&CK perspective, this vulnerability maps to techniques involving privilege escalation and credential access, as attackers can exploit the insufficient authorization controls to gain elevated access to financial data and transaction processing capabilities. Organizations should also conduct thorough access reviews and implement robust audit logging to detect potential exploitation attempts and maintain compliance with financial regulatory requirements.