CVE-2016-5488 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, a different vulnerability than CVE-2016-3445.
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Analysis
by VulDB Data Team • 09/26/2022
The vulnerability identified as CVE-2016-5488 represents a critical availability threat within Oracle WebLogic Server versions 10.3.6.0 and 12.1.3.0, specifically affecting the Web Container component of Oracle Fusion Middleware. This weakness falls under the broader category of denial of service vulnerabilities that can be exploited remotely, potentially compromising the operational integrity of enterprise applications hosted on these servers. The vulnerability's classification as unspecified indicates that while the exact technical mechanism remains partially obscured, the impact on system availability is significant enough to warrant immediate attention from security professionals and system administrators.
The technical flaw manifests within the Web Container layer of Oracle WebLogic Server, which serves as the primary HTTP container responsible for processing web requests and managing web application deployments. This component handles the execution of servlets and web applications, making it a prime target for attackers seeking to disrupt service availability. The vulnerability's relationship to the Web Container suggests that it likely involves improper handling of specific HTTP requests, malformed input processing, or resource management issues that could lead to server crashes, resource exhaustion, or application instability. Unlike CVE-2016-3445 which addresses different attack vectors, this vulnerability specifically targets the availability aspect of the web container functionality.
From an operational impact perspective, successful exploitation of CVE-2016-5488 could result in complete service disruption for organizations relying on Oracle WebLogic Server for their web applications. The remote nature of the attack means that adversaries need not have physical access to the server infrastructure, making the vulnerability particularly dangerous in cloud environments or distributed architectures. Organizations may experience extended downtime, loss of customer access to web services, and potential revenue impact from service interruptions. The vulnerability's presence in widely deployed versions 10.3.6.0 and 12.1.3.0 increases the attack surface significantly, as these versions were commonly used across enterprise environments, potentially affecting hundreds or thousands of systems globally.
Security professionals should consider this vulnerability in the context of the CWE (Common Weakness Enumeration) framework, where such availability issues typically map to weaknesses in resource management or input validation. The ATT&CK (Attack Tree for Threats and Countermeasures) framework would categorize this under the 'Denial of Service' tactic, potentially leveraging 'Resource Exhaustion' or 'Application Layer Protocol' techniques. Organizations should implement immediate mitigations including applying Oracle's security patches, implementing network segmentation to limit exposure, and deploying intrusion detection systems to monitor for exploitation attempts. The vulnerability's classification as a remote availability threat emphasizes the need for proactive security measures rather than reactive responses, as the impact can cascade across dependent systems and applications that rely on the affected WebLogic servers for their operations.