CVE-2018-3243 in E-Business Suite
Summary
by MITRE
Vulnerability in the Oracle Applications Framework component of Oracle E-Business Suite (subcomponent: None). Supported versions that are affected are 12.1.3, 12.2.3, 12.2.4, 12.2.5 and 12.2.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Applications Framework. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Applications Framework, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Applications Framework accessible data as well as unauthorized update, insert or delete access to some of Oracle Applications Framework accessible data. CVSS 3.0 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 05/25/2023
The vulnerability identified as CVE-2018-3243 resides within Oracle Applications Framework component of Oracle E-Business Suite, representing a critical security weakness that affects multiple version releases including 12.1.3, 12.2.3, 12.2.4, 12.2.5, and 12.2.6. This flaw operates at the application framework level and demonstrates characteristics that make it particularly dangerous for organizations utilizing Oracle E-Business Suite deployments. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring specialized tools or extensive technical knowledge, making it accessible to a broad range of threat actors including those with limited security expertise.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the Oracle Applications Framework, allowing unauthenticated attackers to gain access to sensitive system components through standard HTTP network connections. This weakness creates a pathway for attackers to compromise the entire framework without needing valid credentials or prior access permissions. The vulnerability's impact extends beyond the immediate framework as it can affect additional Oracle products that integrate with the E-Business Suite, creating cascading security implications throughout enterprise environments. The CVSS 3.0 scoring of 8.2 reflects the severity of potential consequences, with high confidentiality impact and low integrity impact, indicating that unauthorized access to critical data represents the primary concern.
The operational impact of this vulnerability is substantial and multifaceted, as successful exploitation enables attackers to achieve unauthorized access to all data accessible through Oracle Applications Framework. This includes complete read access to sensitive corporate information, as well as the ability to modify, insert, or delete data within the affected system. The requirement for human interaction from a person other than the attacker suggests that social engineering or targeted phishing campaigns might be necessary to initiate the attack vector, but once initiated, the vulnerability allows for significant data compromise. The CVSS vector analysis reveals that the attack requires network access with low complexity and no privilege requirements, while user interaction is needed for initial exploitation, making this vulnerability particularly concerning for organizations with less sophisticated security awareness programs.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation to restrict access to Oracle E-Business Suite components, deployment of web application firewalls to monitor and filter HTTP traffic, and implementation of additional authentication layers beyond the default Oracle framework. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a clear violation of the principle of least privilege in security design. From an ATT&CK framework perspective, this vulnerability maps to techniques involving initial access through network service exploitation and privilege escalation through application-level access. Regular security updates and patches should be prioritized, with organizations considering the implementation of network monitoring solutions to detect anomalous access patterns that might indicate exploitation attempts. The comprehensive nature of this vulnerability necessitates both technical and administrative controls to effectively mitigate the risk of unauthorized access and data compromise.