CVE-2016-0494 in Java SE
Summary
by MITRE
Unspecified vulnerability in the Java SE and Java SE Embedded components in Oracle Java SE 6u105, 7u91, and 8u66 and Java SE Embedded 8u65 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to 2D.
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Analysis
by VulDB Data Team • 07/05/2022
This vulnerability resides within the Java SE and Java SE Embedded platforms, specifically affecting versions 6u105, 7u91, 8u66, and 8u65 respectively. The weakness falls under the broader category of unspecified vulnerabilities within the 2D graphics component subsystem of the Java runtime environment. Such vulnerabilities represent critical security gaps that can be exploited by remote attackers to compromise system integrity and availability. The affected 2D graphics functionality within Java SE components handles various graphical operations and rendering processes that are fundamental to Java applications. Attackers can leverage this vulnerability through unspecified attack vectors that specifically target the 2D graphics subsystem, potentially enabling them to manipulate or corrupt data, disrupt service availability, or gain unauthorized access to system resources. The vulnerability's impact spans all three pillars of cybersecurity confidentiality, integrity, and availability, making it particularly dangerous for enterprise environments where Java applications process sensitive data. According to CWE classification, this vulnerability would likely map to CWE-119 which encompasses weaknesses in memory management and buffer handling, potentially involving heap-based buffer overflows or memory corruption issues within the 2D graphics rendering pipeline.
The technical exploitation of this vulnerability occurs through the Java 2D graphics subsystem which processes graphical operations including image rendering, vector graphics, and various visual transformations. When Java applications utilize 2D graphics functionality, they interact with underlying native code that may contain memory corruption vulnerabilities. The unspecified attack vectors suggest that multiple exploitation pathways exist within the 2D component, potentially including malformed graphics data, improper memory allocation during rendering operations, or insufficient bounds checking in graphical processing routines. Attackers can craft malicious input data that when processed by the 2D graphics engine triggers the underlying vulnerability, leading to potential code execution, memory corruption, or denial of service conditions. The remote nature of the attack means that exploitation can occur without requiring physical access to the target system, making it particularly concerning for web applications and network services that utilize Java 2D graphics functionality. This vulnerability aligns with ATT&CK technique T1203 which involves exploitation of remote services and T1059 which covers command and control through application layer protocols.
The operational impact of this vulnerability extends significantly across enterprise environments that rely on Java-based applications and services. Organizations running affected Java versions may experience unauthorized data access, modification of critical system resources, or complete service disruption through denial of service attacks. The vulnerability's presence in both Java SE and Java SE Embedded versions indicates a broad attack surface, affecting everything from desktop applications to embedded systems in industrial control environments. System administrators face challenges in identifying and patching affected systems, particularly in large enterprise environments where Java applications may be deployed across multiple platforms and architectures. The unspecified nature of the attack vectors complicates defensive measures as security teams cannot predict specific exploitation patterns or implement targeted mitigations. Organizations may experience business disruption through service unavailability, data breaches, or compliance violations, especially in regulated industries where Java applications handle sensitive information. The vulnerability's classification as a remote code execution threat requires immediate attention from security teams, as it can potentially allow attackers to establish persistent access to compromised systems and escalate privileges.
Mitigation strategies for this vulnerability must prioritize immediate patching of affected Java installations across all system environments. Organizations should implement comprehensive vulnerability management programs that include regular Java updates and security patches, particularly for embedded systems that may not receive automatic updates. Network segmentation and firewall rules should be implemented to limit access to Java applications and services, reducing the attack surface available to potential exploiters. Security monitoring should focus on detecting unusual network traffic patterns or system behavior that might indicate exploitation attempts, particularly around graphics processing activities. Application whitelisting and sandboxing techniques can provide additional layers of protection by restricting Java application capabilities and preventing unauthorized code execution. Organizations should also conduct thorough vulnerability assessments to identify all systems running affected Java versions and prioritize remediation efforts based on risk exposure. Regular security audits and penetration testing should include evaluation of Java 2D graphics functionality to identify potential exploitation pathways. Implementation of intrusion detection systems capable of monitoring for suspicious Java-related activities can provide early warning of potential exploitation attempts. The mitigation approach should also include regular security training for developers and system administrators to ensure proper Java application development practices and awareness of potential security risks within Java graphics components.