CVE-2018-2796 Explained : Impact and Mitigation

Oracle Java SE, Java SE Embedded, and JRockit versions are affected by a vulnerability in the Concurrency component, allowing unauthorized attackers to compromise the systems.

Understanding CVE-2018-2796

This CVE involves a vulnerability in Oracle Java SE, Java SE Embedded, and JRockit versions, potentially leading to a partial denial of service.

What is CVE-2018-2796?

The vulnerability affects Java SE 7u171, 8u162, and 10, Java SE Embedded 8u161, and JRockit R28.3.17
Attackers can exploit the vulnerability without authentication and network access
Successful exploitation can result in a partial denial of service

The Impact of CVE-2018-2796

Unauthorized attackers can compromise Java SE, Java SE Embedded, and JRockit systems
The vulnerability affects both client and server deployments of Java
CVSS 3.0 Base Score: 5.3 (Availability impact)

Technical Details of CVE-2018-2796

The following technical details provide insight into the vulnerability.

Vulnerability Description

Vulnerability in the Concurrency component of Oracle Java SE
Easily exploitable by unauthenticated attackers via multiple protocols

Affected Systems and Versions

Java SE: 7u171, 8u162, 10
Java SE Embedded: 8u161
JRockit: R28.3.17

Exploitation Mechanism

Attackers can exploit the vulnerability through sandboxed Java Web Start applications and applets
Data can be supplied to APIs within the specified component without using sandboxed applications

Mitigation and Prevention

Protecting systems from CVE-2018-2796 requires immediate steps and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle
Monitor for any unauthorized access or unusual system behavior

Long-Term Security Practices

Regularly update Java to the latest version
Implement network segmentation to limit exposure

Patching and Updates

Stay informed about security advisories and updates from Oracle
Follow best practices for secure Java deployment