CVE-2023-41115 : What You Need to Know

This article provides an overview of CVE-2023-41115, a security vulnerability in EnterpriseDB Postgres Advanced Server (EPAS) versions before specific releases.

Understanding CVE-2023-41115

CVE-2023-41115 is a vulnerability in EPAS that allows an authenticated user to read any large object using UTL_ENCODE, regardless of their permissions.

What is CVE-2023-41115?

The issue was discovered in EnterpriseDB Postgres Advanced Server versions before 11.21.32, 12.x before 12.16.20, 13.x before 13.12.16, 14.x before 14.9.0, and 15.x before 15.4.0. This flaw enables unauthorized users to access large objects.

The Impact of CVE-2023-41115

The vulnerability poses a medium-severity risk with a base score of 6.5. An attacker could exploit this flaw to access sensitive information, leading to a high confidentiality impact.

Technical Details of CVE-2023-41115

This section covers the specifics of the vulnerability.

Vulnerability Description

The flaw allows authenticated users to bypass permissions and read large objects using UTL_ENCODE, increasing the risk of unauthorized data access.

Affected Systems and Versions

EnterpriseDB Postgres Advanced Server versions before 11.21.32, 12.x before 12.16.20, 13.x before 13.12.16, 14.x before 14.9.0, and 15.x before 15.4.0 are affected by this vulnerability.

Exploitation Mechanism

An attacker with authenticated access can exploit UTL_ENCODE to view large objects without the necessary permissions.

Mitigation and Prevention

Learn how to protect your systems from CVE-2023-41115.

Immediate Steps to Take

Upgrade to EPAS versions that address this vulnerability or apply patches provided by EnterpriseDB.

Long-Term Security Practices

Regularly update EPAS to the latest versions and limit user permissions to minimize the impact of similar flaws.

Patching and Updates

Stay informed about security updates from EnterpriseDB and promptly apply patches to secure your systems.