CVE-2016-0577 in WebLogic Server
Summary
by MITRE
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to WLS Core Components, a different vulnerability than CVE-2016-0574.
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Analysis
by VulDB Data Team • 07/04/2022
The vulnerability identified as CVE-2016-0577 represents a significant security weakness within Oracle WebLogic Server's WLS Core Components, affecting multiple version streams including 10.3.6, 12.1.2, 12.1.3, and 12.2.1. This unspecified flaw falls under the broader category of application-level vulnerabilities that can be exploited remotely by threat actors without requiring authentication or privileged access. The affected Oracle Fusion Middleware environment represents a critical attack surface given WebLogic Server's widespread deployment in enterprise environments for hosting mission-critical applications and services. The vulnerability's classification as impacting confidentiality, integrity, and availability indicates a comprehensive compromise potential that aligns with the principles outlined in the CIA triad and represents a serious concern for organizations relying on these middleware platforms for their operational infrastructure.
The technical nature of this vulnerability stems from the WLS Core Components within Oracle WebLogic Server, which serve as foundational elements for the server's functionality and security model. These components handle core messaging, clustering, and communication protocols that are essential for WebLogic Server's operation. The unspecified nature of the flaw suggests that the underlying technical mechanism enabling the vulnerability may involve complex interactions within the server's internal processing logic, potentially including memory management issues, input validation failures, or protocol handling inconsistencies. According to CWE classification standards, such vulnerabilities typically fall within categories related to buffer overflows, injection flaws, or improper input validation, though the specific technical implementation remains undetermined in the public description. The distinction from CVE-2016-0574 indicates that this represents a separate and distinct attack vector, suggesting multiple pathways exist for exploitation within the same software component family.
Operationally, the impact of CVE-2016-0577 extends beyond simple data compromise to encompass full system control potential that could result in complete service disruption and data breaches. Attackers exploiting this vulnerability could potentially gain unauthorized access to sensitive enterprise data, modify critical system configurations, or disrupt service availability through various attack methods. The remote exploitation capability means that threat actors can target these systems from external networks without requiring physical access or insider knowledge, making the attack surface particularly concerning for organizations with public-facing WebLogic deployments. The vulnerability's potential to affect all listed versions indicates a widespread exposure across Oracle Fusion Middleware installations, creating a significant risk for enterprises that have not yet implemented appropriate patches or mitigations. Organizations operating in regulated environments face additional compliance risks, as this vulnerability could potentially violate data protection requirements and industry standards such as those outlined in the NIST Cybersecurity Framework.
Mitigation strategies for CVE-2016-0577 should prioritize immediate patch deployment from Oracle's security advisories, which typically provide specific remediation steps for affected versions. Network segmentation and firewall rule implementation can help reduce exposure by limiting direct access to WebLogic Server instances from untrusted networks. Organizations should also implement comprehensive monitoring and logging of WebLogic Server activities to detect potential exploitation attempts, utilizing security information and event management systems to track anomalous behavior patterns. The implementation of secure configuration practices, including disabling unnecessary services and components, aligns with ATT&CK framework recommendations for reducing attack surface and minimizing potential exploitation vectors. Regular vulnerability assessments and penetration testing should be conducted to identify and remediate similar issues within the broader Oracle Fusion Middleware environment, ensuring that the organization maintains a robust security posture against evolving threats in the cybersecurity landscape.