CVE-2020-2517 : Vulnerability Insights and Analysis

A vulnerability in the Database Gateway for ODBC component of Oracle Database Server affecting versions 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c, and 19c.

Understanding CVE-2020-2517

This CVE involves a vulnerability in the Database Gateway for ODBC component of Oracle Database Server.

What is CVE-2020-2517?

The vulnerability allows a high privileged attacker with specific privileges to compromise the Database Gateway for ODBC, potentially leading to unauthorized data access and partial denial of service.

The Impact of CVE-2020-2517

Successful exploitation can result in unauthorized data manipulation and partial denial of service within the affected Database Gateway for ODBC.
CVSS 3.0 Base Score: 3.3 (Low severity) with Integrity and Availability impacts.

Technical Details of CVE-2020-2517

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows a high privileged attacker to compromise the Database Gateway for ODBC, potentially leading to unauthorized data access and partial denial of service.

Affected Systems and Versions

Oracle Database versions 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c, and 19c are affected.

Exploitation Mechanism

Attacker with Create Procedure, Create Database Link privilege via OracleNet can exploit the vulnerability.

Mitigation and Prevention

Measures to address and prevent the CVE.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Restrict network access to the Database Gateway for ODBC.

Long-Term Security Practices

Regularly monitor and audit database activity.
Implement the principle of least privilege for database users.

Patching and Updates

Regularly check for and apply security patches provided by Oracle.