CVE-2018-2726 in Financial Services Market Risk
Summary
by MITRE
Vulnerability in the Oracle Financial Services Market Risk component of Oracle Financial Services Applications (subcomponent: User Interface). The supported version that is affected is 8.0.x. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Financial Services Market Risk. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Financial Services Market Risk accessible data as well as unauthorized access to critical data or complete access to all Oracle Financial Services Market Risk accessible data. CVSS 3.0 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 01/30/2021
The vulnerability identified as CVE-2018-2726 resides within the Oracle Financial Services Market Risk component of Oracle Financial Services Applications, specifically affecting the User Interface subcomponent in version 8.0.x. This represents a significant security weakness that falls under the Common Weakness Enumeration category of CWE-284 - Improper Access Control, which directly impacts the system's ability to enforce proper authorization mechanisms. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can leverage this flaw to gain substantial unauthorized access to sensitive financial data and system functionalities.
The technical flaw manifests as a lack of proper input validation and access control checks within the user interface layer of the financial services application. Attackers with low privileged network access via HTTP can exploit this weakness to perform unauthorized operations that would normally require higher privileges. The vulnerability's CVSS 3.0 score of 8.1 reflects the high severity of potential impacts, with both confidentiality and integrity compromised at the highest level. The attack vector requires only network access with low complexity and no user interaction, making it particularly dangerous as it can be exploited remotely without requiring physical access or complex attack chains.
The operational impact of this vulnerability extends far beyond simple data theft, as successful exploitation enables attackers to create, delete, or modify critical financial data within the Oracle Financial Services Market Risk system. This comprehensive access capability means that malicious actors could fundamentally alter financial risk assessments, manipulate market data, or corrupt the integrity of the entire financial services application. The potential for unauthorized access to all accessible data represents a complete breakdown in the system's security model, particularly concerning the sensitive nature of financial risk information that typically requires strict access controls and audit trails.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation to restrict access to the affected application, applying the relevant Oracle security patches as soon as they become available, and implementing enhanced monitoring of HTTP traffic to detect anomalous access patterns. The ATT&CK framework categorizes this type of vulnerability under T1071.004 - Application Layer Protocol: DNS and related techniques, as attackers may use HTTP protocols to exploit the vulnerability. Additionally, organizations should review and strengthen their access control policies, implement principle of least privilege configurations, and establish comprehensive logging and alerting mechanisms to detect unauthorized modifications to critical financial data. The vulnerability underscores the importance of regular security assessments and patch management processes in financial services environments where data integrity and confidentiality are paramount.