CVE-2020-2513 : Security Advisory and Response

Oracle Application Express in Oracle Database Server is affected by a vulnerability that allows unauthorized access to data. Attackers with SQL Workshop privilege can exploit this issue.

Understanding CVE-2020-2513

This CVE involves a vulnerability in Oracle Application Express that can lead to unauthorized data access.

What is CVE-2020-2513?

The vulnerability in Oracle Application Express allows a low-privileged attacker with SQL Workshop privilege and network access via HTTP to compromise the system. Successful attacks can result in unauthorized data access and manipulation.

The Impact of CVE-2020-2513

Successful attacks can lead to unauthorized update, insert, or delete access to Oracle Application Express data.
Attackers can also gain unauthorized read access to a subset of the data.
The CVSS 3.1 Base Score for this vulnerability is 5.4, indicating medium severity with confidentiality and integrity impacts.

Technical Details of CVE-2020-2513

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to compromise Oracle Application Express, impacting additional products and potentially leading to unauthorized data access.

Affected Systems and Versions

Product: Application Express
Vendor: Oracle Corporation
Affected Versions: 5.1-19.2

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Mitigation and Prevention

Protecting systems from CVE-2020-2513 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Restrict network access to vulnerable systems.
Monitor and audit SQL Workshop privileges.

Long-Term Security Practices

Regularly update and patch Oracle products.
Implement the principle of least privilege for user access.
Conduct security training to raise awareness of potential threats.

Patching and Updates

Stay informed about security alerts and updates from Oracle.
Regularly check for new patches and apply them to mitigate vulnerabilities.