CVE-2017-3492 in FLEXCUBE Enterprise Limits
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Enterprise Limits and Collateral Management component of Oracle Financial Services Applications (subcomponent: Infrastructure). Supported versions that are affected are 12.0.0 and 12.1.0. Easily "exploitable" vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Enterprise Limits and Collateral Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Enterprise Limits and Collateral Management accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Enterprise Limits and Collateral Management 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-2017-3492 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management component, specifically within the Infrastructure subcomponent of Oracle Financial Services Applications. This critical security flaw affects versions 12.0.0 and 12.1.0, representing a significant risk to financial institutions utilizing this enterprise-level banking platform. The vulnerability operates through the HTTP protocol, making it accessible to attackers who can establish network connections to the targeted system. The low privilege requirement for exploitation means that even relatively unskilled attackers can potentially compromise the system, as the vulnerability is classified as easily exploitable according to Oracle's security assessment criteria.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the FLEXCUBE infrastructure layer. Attackers can leverage this weakness to perform unauthorized operations including data modification, insertion, and deletion within the affected component. Additionally, the vulnerability permits unauthorized read access to specific subsets of data that should otherwise remain protected. This dual nature of compromise affects both data integrity and confidentiality aspects of the system. The CVSS 3.0 scoring of 5.4 reflects the moderate severity of the impact, with the vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N indicating network-based exploitation requiring low access privileges but resulting in limited confidentiality and integrity impacts. The vulnerability's classification aligns with CWE-284 (Improper Access Control) and CWE-20 (Improper Input Validation) categories, which are fundamental security weaknesses that frequently appear in financial application environments.
The operational impact of CVE-2017-3492 extends beyond simple data compromise, potentially enabling attackers to manipulate financial limits and collateral management processes that are critical to risk management operations. This vulnerability could allow unauthorized parties to modify credit limits, alter collateral assignments, or manipulate financial exposure calculations that directly affect an institution's risk profile. The implications are particularly severe in enterprise financial environments where accurate limit management and collateral tracking are essential for regulatory compliance and operational stability. Attackers exploiting this vulnerability could gain unauthorized access to sensitive financial data including customer exposure information, credit risk parameters, and collateral valuation details that are fundamental to banking operations.
Organizations should implement immediate mitigation strategies including applying Oracle's security patches and updates, implementing network segmentation to limit access to the affected components, and strengthening authentication mechanisms. The vulnerability's network accessibility requires organizations to consider firewall rules and access control lists to restrict HTTP traffic to authorized personnel only. Additionally, regular security monitoring should be implemented to detect potential exploitation attempts, as the vulnerability's characteristics make it susceptible to automated scanning and exploitation tools. Security teams should also conduct thorough access control reviews to ensure that least privilege principles are properly enforced within the FLEXCUBE environment, reducing the potential impact of any successful exploitation attempts. The ATT&CK framework categorizes this vulnerability under privilege escalation and credential access tactics, making it particularly concerning for organizations that rely heavily on financial services applications for their core operations.