CVE-2019-2444 : Exploit Details and Defense Strategies

A vulnerability in the Core RDBMS component of Oracle Database Server has been identified, impacting versions 12.2.0.1 and 18c. This vulnerability poses a significant risk to the security of the Core RDBMS infrastructure.

Understanding CVE-2019-2444

This CVE involves a critical vulnerability in Oracle Database Server's Core RDBMS component, potentially leading to a complete takeover of the Core RDBMS.

What is CVE-2019-2444?

The vulnerability allows a low-privileged attacker with Local Logon privilege to compromise the Core RDBMS infrastructure, potentially affecting other related products. Successful exploitation could result in a complete takeover of the Core RDBMS.

The Impact of CVE-2019-2444

The vulnerability has been assigned a CVSS 3.0 Base Score of 8.2, indicating significant impacts on Confidentiality, Integrity, and Availability. Successful attacks could compromise the Core RDBMS and potentially lead to severe consequences.

Technical Details of CVE-2019-2444

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in the Core RDBMS component of Oracle Database Server affects versions 12.2.0.1 and 18c. It allows a low-privileged attacker with Local Logon privilege to compromise the Core RDBMS infrastructure, potentially leading to a complete takeover.

Affected Systems and Versions

Product: Oracle Database
Vendor: Oracle Corporation
Affected Versions: 12.2.0.1, 18c

Exploitation Mechanism

The vulnerability can be exploited by a low-privileged attacker with Local Logon privilege.
Successful attacks require human interaction from a person other than the attacker.
The vulnerability may impact additional products beyond Core RDBMS.

Mitigation and Prevention

Protecting systems from CVE-2019-2444 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor for any unusual activities on the Core RDBMS infrastructure.
Limit access privileges to reduce the risk of exploitation.

Long-Term Security Practices

Conduct regular security assessments and audits to identify vulnerabilities.
Educate users on security best practices to prevent unauthorized access.
Implement network segmentation to contain potential attacks.

Patching and Updates

Regularly update and patch Oracle Database Server to address known vulnerabilities.
Stay informed about security advisories and updates from Oracle to protect against emerging threats.