CVE-2017-10336 in WebLogic Server
Summary
by MITRE
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Container). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server 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 • 01/18/2021
The vulnerability identified as CVE-2017-10336 resides within Oracle WebLogic Server's Web Container subcomponent, representing a critical security flaw that affects multiple version streams including 10.3.6.0.0, 12.1.3.0.0, 12.2.1.1.0, and 12.2.1.2.0. This weakness manifests as an easily exploitable vulnerability that requires minimal attacker prerequisites, specifically network access via HTTP protocol without requiring authentication credentials. The vulnerability's classification as a low complexity, no privilege requirement, and no user interaction attack vector significantly amplifies its threat potential, making it particularly dangerous for organizations running affected WebLogic Server deployments. The CVSS 3.0 scoring system assigns this vulnerability a base score of 5.3, reflecting moderate severity with integrity impacts as the primary concern, though the absence of confidentiality and availability impacts does not diminish its operational significance.
The technical exploitation of this vulnerability enables an unauthenticated attacker to gain unauthorized access to modify data within the WebLogic Server environment, specifically targeting update, insert, and delete operations against accessible data stores. This capability represents a direct violation of data integrity principles and can lead to significant operational disruptions when considering that WebLogic Server typically hosts mission-critical enterprise applications and services. The vulnerability's impact extends beyond simple data modification as it can compromise the overall trustworthiness of the application data and potentially facilitate further attacks through data manipulation. The underlying flaw likely resides in the Web Container's HTTP request processing mechanisms, where insufficient input validation or improper access controls allow malicious actors to bypass authentication requirements and execute unauthorized database operations.
From an operational perspective, the vulnerability poses substantial risks to enterprise environments that rely on Oracle WebLogic Server for application hosting and service delivery. Organizations running affected versions face potential data corruption, unauthorized data modification, and possible service disruption that could affect business continuity and regulatory compliance requirements. The lack of authentication requirements means that any network-accessible WebLogic Server instance could be compromised, creating an attack surface that extends beyond traditional perimeter security boundaries. This vulnerability particularly impacts organizations that have not implemented proper network segmentation or have exposed WebLogic Server instances directly to the internet, as it requires no specialized credentials or privileges to exploit. The potential for data integrity compromise makes this vulnerability especially concerning for financial institutions, healthcare providers, and other organizations handling sensitive data where data modification can have severe operational and legal consequences.
Mitigation strategies for CVE-2017-10336 should prioritize immediate patch deployment from Oracle, as this represents the most effective defense against the vulnerability. Organizations should also implement network-level controls including firewall rules that restrict access to WebLogic Server ports, particularly those used for HTTP communication, to trusted IP addresses only. Network segmentation and the implementation of web application firewalls can provide additional protective layers against exploitation attempts. Security monitoring should be enhanced to detect unusual database access patterns or unauthorized modification attempts that might indicate exploitation of this vulnerability. The ATT&CK framework categorizes this vulnerability under initial access and persistence tactics, where attackers might use the compromised server as a foothold for further network infiltration. Organizations should also conduct comprehensive vulnerability assessments to identify all WebLogic Server instances and ensure proper patch management processes are in place to prevent similar vulnerabilities from remaining unaddressed. The CWE (Common Weakness Enumeration) classification for this type of vulnerability typically falls under CWE-284: Improper Access Control, which directly relates to the unauthorized data modification capabilities presented by this flaw.