CVE-2017-3511 Explained : Impact and Mitigation

A vulnerability in the JCE subcomponent of Oracle Java SE, affecting versions 7u131 and 8u121, Java SE Embedded 8u121, and JRockit R28.3.13, poses a risk to the security of Java deployments.

Understanding CVE-2017-3511

This CVE involves a vulnerability in Java SE, Java SE Embedded, and JRockit components, potentially leading to a complete takeover of the affected systems.

What is CVE-2017-3511?

The vulnerability allows an unauthenticated attacker who has access to the system running Java SE, Java SE Embedded, or JRockit to compromise the security of these components. Successful exploitation could result in a complete takeover of the affected systems.

The Impact of CVE-2017-3511

The vulnerability affects Java SE 7u131 and 8u121, Java SE Embedded 8u121, and JRockit R28.3.13
Exploitation could compromise the security of Java SE, Java SE Embedded, or JRockit
Both client and server deployments of Java are at risk
Successful attacks could lead to a complete takeover of the affected systems
CVSS 3.0 Base Score: 7.7 (Confidentiality, Integrity, and Availability impacts)
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

Technical Details of CVE-2017-3511

The following technical details outline the vulnerability and its implications:

Vulnerability Description

Vulnerability in the JCE subcomponent of Oracle Java SE
Difficult to exploit, requiring an unauthenticated attacker with system access

Affected Systems and Versions

Java SE: 7u131, 8u121
Java SE Embedded: 8u121
JRockit: R28.3.13

Exploitation Mechanism

Access to the system running Java SE, Java SE Embedded, or JRockit is required
Exploitation can occur through sandboxed Java Web Start applications or applets
Data can be supplied to APIs in the specified component without using sandboxed applications

Mitigation and Prevention

To address CVE-2017-3511, consider the following mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Oracle
Monitor Oracle's security advisories for updates
Restrict access to systems running Java SE, Java SE Embedded, or JRockit

Long-Term Security Practices

Regularly update Java to the latest version
Implement strong authentication mechanisms
Conduct regular security assessments and audits

Patching and Updates

Stay informed about security updates from Oracle
Apply patches promptly to mitigate the risk of exploitation