CVE-2018-3244 in E-Business Suite
Summary
by MITRE
Vulnerability in the Oracle Application Object Library component of Oracle E-Business Suite (subcomponent: Attachments / File Upload). Supported versions that are affected are 12.1.3, 12.2.3, 12.2.4, 12.2.5, 12.2.6 and 12.2.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Application Object Library. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Object Library accessible data. CVSS 3.0 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 05/25/2023
The vulnerability identified as CVE-2018-3244 resides within the Oracle Application Object Library component of Oracle E-Business Suite, specifically affecting the Attachments/File Upload subcomponent. This weakness manifests in multiple supported versions including 12.1.3, 12.2.3, 12.2.4, 12.2.5, 12.2.6, and 12.2.7, representing a significant attack surface across the Oracle EBS ecosystem. The vulnerability's classification as easily exploitable indicates that attackers can leverage network-based HTTP access without requiring authentication credentials, making it particularly dangerous for organizations running these affected versions. The CVSS 3.0 scoring system assigns a base score of 5.3, which reflects the integrity impact severity, while the vector notation AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N indicates network accessibility, low attack complexity, no privilege requirements, no user interaction, and an unchanging scope with limited integrity impact but no confidentiality or availability compromise.
The technical flaw within the Oracle Application Object Library stems from inadequate input validation and access control mechanisms within the file upload functionality. Attackers can exploit this weakness by crafting malicious HTTP requests that bypass authentication checks and manipulate the file attachment processes. This vulnerability operates at the application layer where the system fails to properly validate file types, sizes, or content before processing attachments. The flaw enables unauthorized modification of data within the Application Object Library, allowing attackers to perform unauthorized update, insert, or delete operations on specific portions of the accessible data. The vulnerability's design flaw likely involves insufficient sanitization of user-supplied input during file upload operations, potentially allowing malicious file content to be processed or executed within the application context. This weakness can be categorized under CWE-20 as "Improper Input Validation" and aligns with ATT&CK technique T1078 for Valid Accounts and T1566 for Phishing, as attackers may leverage this vulnerability to establish persistent access or escalate privileges through manipulated file attachments.
The operational impact of CVE-2018-3244 extends beyond simple data integrity concerns, as successful exploitation can result in unauthorized modifications to critical business data within Oracle EBS environments. Organizations running affected versions face potential data corruption, unauthorized data manipulation, and possible information disclosure through the compromised attachment functionality. The vulnerability's ability to allow insert operations means attackers could introduce malicious content or false data entries into business processes, potentially affecting financial reporting, inventory management, or other critical business functions. While the CVSS score indicates limited confidentiality impact, the integrity compromise could severely affect business operations and regulatory compliance, particularly in industries governed by financial regulations such as SOX or HIPAA. The vulnerability's network accessibility makes it particularly attractive to attackers who can target exposed Oracle EBS instances without requiring physical access or valid credentials, increasing the attack surface for organizations with publicly accessible web applications. Organizations may experience business disruption, increased security monitoring requirements, and potential regulatory penalties if the compromised data integrity affects audit trails or compliance reporting mechanisms. The vulnerability's exploitation requires minimal technical skill and can be automated, making it a preferred target for both opportunistic and targeted attackers seeking to compromise enterprise business applications.