CVE-2016-3511 in Java SE
Summary
by MITRE
Unspecified vulnerability in Oracle Java SE 7u101 and 8u92 allows local users to affect confidentiality, integrity, and availability via vectors related to Deployment.
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Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-3511 represents a critical security flaw within Oracle Java SE versions 7u101 and 8u92 that resides in the deployment component of the Java runtime environment. This issue manifests as an unspecified weakness that can be exploited by local attackers to compromise the confidentiality, integrity, and availability of affected systems. The deployment functionality in Java SE handles the execution and management of Java applications, making it a prime target for adversaries seeking to elevate their privileges or disrupt system operations. The vulnerability's classification as local indicates that exploitation requires prior access to the target system, though the potential impact remains severe due to the privileged nature of the deployment component. This weakness falls under the broader category of software security flaws that can be leveraged to undermine fundamental security properties of information systems.
The technical nature of this vulnerability stems from inadequate input validation or improper access controls within the Java deployment subsystem. Attackers with local access can potentially manipulate the deployment process to execute malicious code, modify system files, or disrupt normal operations. The unspecified nature of the vulnerability description suggests that the exact technical mechanism may have been classified or that the full scope of exploitable conditions was not publicly disclosed at the time of reporting. However, given that this affects the deployment functionality, the attack surface likely involves the Java plugin execution environment, class loading mechanisms, or the security policies governing application deployment. The vulnerability's potential to affect confidentiality implies that sensitive data may be accessible to unauthorized processes, while integrity concerns suggest that system modifications could occur without proper authorization, and availability issues indicate possible denial of service conditions.
The operational impact of CVE-2016-3511 extends beyond simple privilege escalation as it can be leveraged to create persistent backdoors, exfiltrate sensitive information, or disrupt critical system services. Local attackers who can execute code on affected systems gain the ability to manipulate the Java runtime environment in ways that could compromise entire enterprise networks, particularly in environments where Java applications are extensively deployed. The vulnerability's presence in both Java SE 7 and 8 versions means that organizations running either of these platforms face significant risk, with the widespread adoption of Java making this a particularly concerning weakness. The deployment component's role in managing Java applets and web-based applications means that even indirect exploitation paths through web interfaces could potentially be possible, increasing the overall attack surface.
Organizations should prioritize immediate patching of affected Java SE installations to address this vulnerability, as the local exploitation nature means that any user with access to the system could potentially leverage this weakness. The remediation process should include updating to patched versions of Java SE 7 and 8, with particular attention to ensuring that all deployment-related components are properly updated. Security teams should implement monitoring for suspicious Java process activity and unauthorized deployment operations. From a cybersecurity framework perspective, this vulnerability aligns with CWE-20 (Improper Input Validation) and CWE-250 (Execute Code with Unnecessary Privileges) categories, representing a classic case where insufficient validation allows for privilege escalation. The vulnerability also maps to ATT&CK techniques involving privilege escalation and persistence mechanisms, as attackers could use this weakness to establish footholds within systems and maintain access over time. Organizations should also consider implementing application whitelisting policies to restrict which Java applications can be deployed and executed, reducing the potential impact of such vulnerabilities in the future.