CVE-2019-2983 : Security Advisory and Response

A vulnerability has been discovered in the Java SE and Java SE Embedded products of Oracle Java SE, affecting multiple versions. This vulnerability is related to the Serialization component and can lead to unauthorized partial denial of service incidents.

Understanding CVE-2019-2983

This CVE involves a vulnerability in Oracle Java SE and Java SE Embedded products, impacting various versions.

What is CVE-2019-2983?

CVE-2019-2983 is a vulnerability in Oracle Java SE and Java SE Embedded products, specifically related to the Serialization component. It affects Java SE versions 7u231, 8u221, 11.0.4, and 13, as well as Java SE Embedded 8u221.

The Impact of CVE-2019-2983

Exploiting this vulnerability is challenging for unauthenticated attackers with network access across multiple protocols to compromise Java SE and Java SE Embedded.
Successful exploitation can result in unauthorized partial denial of service incidents in Java SE and Java SE Embedded.

Technical Details of CVE-2019-2983

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers with network access to compromise Java SE and Java SE Embedded, potentially leading to partial denial of service incidents.

Affected Systems and Versions

Affected versions include Java SE 7u231, 8u221, 11.0.4, and 13, as well as Java SE Embedded 8u221.

Exploitation Mechanism

Exploiting this vulnerability is challenging for unauthenticated attackers with network access across multiple protocols.
The vulnerability primarily affects Java deployments running sandboxed Java Web Start applications or sandboxed Java applets that load and execute untrusted code from the internet.

Mitigation and Prevention

Learn how to mitigate and prevent the impact of CVE-2019-2983.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Restrict network access to affected systems.
Monitor for any unauthorized access or unusual activities.

Long-Term Security Practices

Regularly update Java SE and Java SE Embedded to the latest versions.
Implement strong network security measures to prevent unauthorized access.
Educate users on safe browsing practices and the risks associated with executing untrusted code.

Patching and Updates

Stay informed about security advisories and updates from Oracle.
Ensure timely installation of patches and updates to address known vulnerabilities.