CVE-2019-2890 : What You Need to Know

Oracle WebLogic Server software has a security flaw in the Web Services component of Oracle Fusion Middleware. The vulnerability affects versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0, allowing a highly privileged attacker with network access via T3 to compromise the server.

Understanding CVE-2019-2890

This CVE identifies a critical vulnerability in Oracle WebLogic Server that could lead to a complete takeover of the server.

What is CVE-2019-2890?

The vulnerability in Oracle WebLogic Server's Web Services component allows attackers with network access via T3 to exploit the server, potentially resulting in a complete compromise.

The Impact of CVE-2019-2890

The vulnerability has a CVSS 3.0 Base Score of 7.2, affecting confidentiality, integrity, and availability of the Oracle WebLogic Server.
Successful exploitation could lead to a complete takeover of the server.

Technical Details of CVE-2019-2890

Oracle WebLogic Server's vulnerability in the Web Services component poses a significant risk to affected systems.

Vulnerability Description

The flaw allows a highly privileged attacker with network access via T3 to compromise the Oracle WebLogic Server.

Affected Systems and Versions

Oracle WebLogic Server versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by leveraging network access via T3, potentially leading to a complete compromise of the server.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-2890.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Restrict network access to critical servers.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch Oracle WebLogic Server to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security advisories from Oracle and apply patches as soon as they are released.