CVE-2021-2337 : Vulnerability Insights and Analysis
Learn about CVE-2021-2337 affecting Oracle Database versions 12.1.0.2, 12.2.0.1, and 19c. Understand the impact, technical details, and mitigation strategies for this vulnerability.
A vulnerability has been identified in the Oracle XML DB component of Oracle Database Server, affecting versions 12.1.0.2, 12.2.0.1, and 19c. This vulnerability could allow a high privileged attacker to compromise Oracle XML DB, potentially leading to a complete takeover.
Understanding CVE-2021-2337
This section will provide insights into the nature and impact of CVE-2021-2337.
What is CVE-2021-2337?
The vulnerability in the Oracle XML DB component allows attackers with specific privileges and network access via Oracle Net to compromise the system. Successful exploitation could result in a complete takeover of Oracle XML DB.
The Impact of CVE-2021-2337
CVE-2021-2337 has a CVSS 3.1 Base Score of 7.2, indicating high severity with impacts on confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2021-2337
This section will delve into the technical aspects of CVE-2021-2337.
Vulnerability Description
CVE-2021-2337 is classified as an easily exploitable vulnerability that leverages privileges like Create Any Procedure and Create Public Synonym to compromise Oracle XML DB.
Affected Systems and Versions
The vulnerability affects Oracle Database Server versions 12.1.0.2, 12.2.0.1, and 19c.
Exploitation Mechanism
Attackers with the necessary privileges and network access via Oracle Net can exploit this vulnerability to compromise Oracle XML DB.
Mitigation and Prevention
In this section, we will discuss the steps to mitigate and prevent exploitation of CVE-2021-2337.
Immediate Steps to Take
It is recommended to apply relevant security patches provided by Oracle to address this vulnerability. Additionally, restrict network access and review privileges to mitigate risks.
Long-Term Security Practices
Implementing least privilege principles, regular security updates, and network segmentation can enhance the resilience of the system against such vulnerabilities.
Patching and Updates
Stay informed about security updates from Oracle and apply patches promptly to protect systems from known vulnerabilities.