CVE-2016-3500 in Java SE
Summary
by MITRE
Unspecified vulnerability in Oracle Java SE 6u115, 7u101, and 8u92; Java SE Embedded 8u91; and JRockit R28.3.10 allows remote attackers to affect availability via vectors related to JAXP, a different vulnerability than CVE-2016-3508.
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Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-3500 represents a significant security weakness within Oracle Java SE and Java SE Embedded platforms, specifically affecting versions 6u115, 7u101, 8u92, and 8u91 respectively. This issue falls under the broader category of availability impact vulnerabilities, which can potentially disrupt system operations and render services inaccessible to legitimate users. The vulnerability is particularly concerning as it resides within the Java XML Processing (JAXP) framework, which is fundamental to XML data handling across numerous applications and systems. The affected components demonstrate how core Java libraries can contain flaws that compromise system stability and availability, making them attractive targets for malicious actors seeking to disrupt operations.
The technical flaw manifests within the JAXP implementation where improper handling of certain XML processing operations can lead to resource exhaustion or system instability. This vulnerability operates through vectors related to XML parsing and processing mechanisms that are integral to how Java applications handle structured data. Attackers can exploit this weakness by crafting malicious XML inputs that, when processed by the vulnerable JAXP components, trigger unexpected behavior in the underlying Java runtime environment. The nature of the flaw suggests it may involve memory allocation issues, thread exhaustion, or other resource management problems that occur during XML processing operations. Such vulnerabilities often leverage the complex interaction between XML parsers and the Java runtime to create conditions that lead to service disruption rather than direct code execution.
The operational impact of CVE-2016-3500 extends beyond simple availability disruption to potentially affect critical business operations and system reliability. Organizations running affected Java versions may experience unexpected system crashes, application hangs, or complete service outages when processing XML data through vulnerable applications. This vulnerability particularly affects enterprise environments where XML processing is common in web services, data integration platforms, and middleware components. The threat landscape for this vulnerability is significant as it can be exploited remotely without requiring authentication, making it accessible to a broad range of potential attackers. Security professionals must consider the cascading effects this vulnerability can have across interconnected systems, as a single compromised service can potentially impact multiple dependent applications and services within an organization's infrastructure.
Mitigation strategies for CVE-2016-3500 should prioritize immediate patching of affected Java installations to the latest available versions that contain fixes for this vulnerability. Organizations should implement comprehensive vulnerability management processes to identify all systems running affected Java versions and prioritize remediation efforts accordingly. Network segmentation and access controls can provide additional layers of defense by limiting exposure to potentially vulnerable systems. Security monitoring should focus on detecting unusual XML processing patterns or resource consumption spikes that might indicate exploitation attempts. The vulnerability aligns with CWE-400 which addresses unchecked resource consumption, and may map to ATT&CK techniques involving resource exhaustion and availability disruption. Organizations should also consider implementing XML input validation and sanitization measures to reduce the attack surface, though the primary defense remains maintaining up-to-date software versions and following Oracle's security advisories for proper patch management procedures.