CVE-2016-3445 in WebLogic Server
Summary
by MITRE
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6.0 and 12.1.3.0 allows remote attackers to affect availability via vectors related to Web Container.
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Analysis
by VulDB Data Team • 09/07/2022
The vulnerability identified as CVE-2016-3445 resides within Oracle WebLogic Server component of Oracle Fusion Middleware, specifically affecting versions 10.3.6.0 and 12.1.3.0. This unspecified weakness manifests within the Web Container subsystem, representing a critical security gap that adversaries can exploit to compromise system availability. The Web Container serves as the primary execution environment for web applications within WebLogic Server, making this vulnerability particularly dangerous as it directly impacts the core functionality of the application server. Such vulnerabilities typically arise from insufficient input validation, improper error handling, or flawed resource management within the container's processing logic. The unspecified nature of the vulnerability suggests that the exact technical mechanism remains undisclosed, which is common in initial vulnerability disclosures where full technical details are not immediately available to the public.
The operational impact of this vulnerability extends beyond simple availability disruption to potentially compromise the entire WebLogic Server infrastructure. Attackers leveraging this weakness can cause denial of service conditions that may result in complete system unavailability, affecting business-critical applications hosted on these servers. The Web Container's role in processing HTTP requests means that exploitation could occur through standard web traffic, making the attack surface particularly broad and difficult to monitor. Organizations relying on Oracle WebLogic Server for enterprise applications face significant risk, as this vulnerability could be exploited to disrupt services for extended periods, potentially causing financial losses and operational downtime. The attack vector's relation to Web Container processing indicates that malicious actors could craft specific HTTP requests or web application payloads designed to trigger the vulnerability, leading to server crashes, resource exhaustion, or other availability-compromising conditions.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-119, which addresses weaknesses in memory management, and potentially relates to CWE-400, concerning resource exhaustion issues. The ATT&CK framework categorizes this under the T1499.004 sub-technique for Network Denial of Service, where adversaries exploit application-level vulnerabilities to disrupt network services. Mitigation strategies should include immediate patch application from Oracle, which would address the underlying Web Container implementation flaw. Network segmentation and firewall rules can help limit exposure by restricting access to WebLogic Server instances, while implementing web application firewalls provides an additional layer of protection against malformed requests. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in the WebLogic Server environment, particularly focusing on input validation mechanisms within the web container. Organizations should also implement robust monitoring solutions to detect unusual patterns in web traffic that might indicate exploitation attempts, as the vulnerability's availability impact makes detection crucial for maintaining operational continuity.
The broader implications of this vulnerability extend to enterprise security posture management, as WebLogic Server instances often serve as critical infrastructure components for large organizations. The interconnected nature of modern enterprise applications means that compromise of a single WebLogic Server instance could potentially affect multiple dependent systems and services. Security teams must consider the vulnerability's potential for lateral movement within networks where multiple WebLogic Server instances exist, as attackers might use this weakness as a foothold for more extensive breaches. Additionally, the vulnerability's presence in both 10.3.6.0 and 12.1.3.0 versions indicates that organizations should conduct comprehensive inventory assessments to identify all affected systems, regardless of their version numbers. The incident highlights the importance of maintaining up-to-date security patches and implementing comprehensive vulnerability management programs to prevent similar issues from compromising enterprise infrastructure.