CVE-2019-2398 in WebLogic Server
Summary
by MITRE
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS - Deployment). Supported versions that are affected are 10.3.6.0, 12.1.3.0 and 12.2.1.3. Easily exploitable vulnerability allows low privileged 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 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 06/28/2023
The vulnerability identified as CVE-2019-2398 resides within Oracle WebLogic Server's Fusion Middleware component, specifically within the WLS Deployment subcomponent. This critical security flaw affects multiple supported versions including 10.3.6.0, 12.1.3.0, and 12.2.1.3, making it a widespread concern across various deployment environments. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can successfully compromise affected systems, representing a significant risk to enterprise security infrastructure.
The technical nature of this vulnerability stems from insufficient authorization controls within the WebLogic Server's deployment functionality. Attackers can leverage HTTP network access to exploit this weakness, bypassing normal security boundaries that should protect against unauthorized data modification operations. The CVSS 3.0 score of 4.3 with a base vector indicating network accessibility, low attack complexity, and low privileges required demonstrates the vulnerability's accessibility and potential impact. The integrity impact rating of 4.3 reflects that successful exploitation can enable unauthorized update, insert, or delete operations against data accessible through the affected server.
From an operational perspective, this vulnerability presents substantial risk to organizations utilizing Oracle WebLogic Server in their enterprise infrastructure. The ability to perform unauthorized data modifications without requiring elevated privileges creates opportunities for data corruption, information tampering, and potential downstream impacts on business operations. Attackers could manipulate critical application data, compromise data integrity, or establish persistent access points within the organization's network infrastructure. The vulnerability's impact extends beyond simple data modification as it can serve as a foothold for more extensive attacks within the network environment.
Organizations should implement immediate mitigations including applying the relevant Oracle Critical Patch Updates (CPUs) and implementing network segmentation controls to limit access to WebLogic Server instances. Additional protective measures involve configuring firewalls to restrict HTTP access to WebLogic servers, implementing robust network monitoring, and conducting thorough vulnerability assessments to identify potentially compromised systems. The vulnerability aligns with CWE-284 (Improper Access Control) and can be categorized under ATT&CK techniques related to privilege escalation and persistence. Security teams must also consider implementing application-level controls and regular security audits to detect and prevent exploitation attempts against this and similar vulnerabilities in their infrastructure.