CVE-2019-2734 : Exploit Details and Defense Strategies
Learn about CVE-2019-2734 affecting Oracle Database Server versions 12.2.0.1, 18c, and 19c. Understand the impact, exploitation mechanism, and mitigation steps for this vulnerability.
A vulnerability has been identified in the Core RDBMS component of Oracle Database Server, affecting versions 12.2.0.1, 18c, and 19c. This vulnerability can be exploited by a low privileged attacker with specific privileges and network access, potentially leading to unauthorized data manipulation.
Understanding CVE-2019-2734
This CVE involves a security vulnerability in Oracle Database Server that allows unauthorized data manipulation by exploiting specific privileges.
What is CVE-2019-2734?
The vulnerability in the Core RDBMS component of Oracle Database Server affects versions 12.2.0.1, 18c, and 19c. It can be exploited by a low privileged attacker with Create Session and Execute privileges on DBMS_ADVISOR and network access via OracleNet.
The Impact of CVE-2019-2734
Exploiting this vulnerability can result in unauthorized manipulation (update, insert, or delete) of certain data accessible in the Core RDBMS. The CVSS 3.0 Base Score for this vulnerability is 4.3, with integrity impacts.
Technical Details of CVE-2019-2734
This section provides technical details of the CVE-2019-2734 vulnerability.
Vulnerability Description
The vulnerability allows a low privileged attacker to compromise the Core RDBMS component of Oracle Database Server, potentially leading to unauthorized data manipulation.
Affected Systems and Versions
- Oracle Database version 12.2.0.1
- Oracle Database version 18c
- Oracle Database version 19c
Exploitation Mechanism
The vulnerability can be exploited by a low privileged attacker with specific privileges and network access, enabling unauthorized data manipulation.
Mitigation and Prevention
Protecting systems from CVE-2019-2734 requires immediate steps and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Restrict network access to minimize exposure.
- Monitor for any unauthorized access or activity.
Long-Term Security Practices
- Regularly update and patch Oracle Database installations.
- Implement the principle of least privilege to restrict user access.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure that all Oracle Database installations are updated with the latest security patches to mitigate the CVE-2019-2734 vulnerability.