CVE-2019-2891 Explained : Impact and Mitigation
Learn about CVE-2019-2891 affecting Oracle WebLogic Server versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0. Discover the impact, exploitation mechanism, and mitigation steps.
A vulnerability has been discovered in the Oracle Fusion Middleware's Oracle WebLogic Server product, affecting versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0. The vulnerability could potentially allow an unauthorized attacker to compromise the server, leading to a complete takeover.
Understanding CVE-2019-2891
This CVE pertains to a vulnerability in the Oracle WebLogic Server product, specifically in the Console component.
What is CVE-2019-2891?
The vulnerability in Oracle WebLogic Server allows an unauthenticated attacker with network access via HTTP to compromise the server, potentially resulting in a complete takeover.
The Impact of CVE-2019-2891
The vulnerability has been assigned a CVSS 3.0 Base Score of 8.1, indicating significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2019-2891
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in Oracle WebLogic Server is difficult to exploit but could allow unauthorized attackers to compromise the server.
Affected Systems and Versions
- Product: WebLogic Server
- Vendor: Oracle Corporation
- Affected Versions: 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0
Exploitation Mechanism
The vulnerability can be exploited by an unauthenticated attacker with network access via HTTP to compromise the Oracle WebLogic Server.
Mitigation and Prevention
Protecting systems from CVE-2019-2891 is crucial to prevent unauthorized access and server compromise.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the WebLogic Server.
Long-Term Security Practices
- Regularly update and patch the WebLogic Server and associated components.
- Implement strong authentication mechanisms and access controls.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure that all relevant security patches and updates from Oracle are applied to the affected versions of WebLogic Server.