CVE-2023-31043 : Security Advisory and Response

A detailed analysis of the CVE-2023-31043 vulnerability in EnterpriseDB EDB Postgres Advanced Server (EPAS), including its impact, technical details, and mitigation strategies.

Understanding CVE-2023-31043

This section provides insights into the security vulnerability identified as CVE-2023-31043 in EnterpriseDB EDB Postgres Advanced Server (EPAS).

What is CVE-2023-31043?

CVE-2023-31043 pertains to EPAS versions before 14.6.0, where unredacted passwords are logged in certain scenarios involving optional parameters with CREATE/ALTER USER/GROUP/ROLE operations, despite redacting configurations being in place.

The Impact of CVE-2023-31043

The vulnerability allows for the exposure of unredacted passwords, posing a significant security risk to sensitive information stored within EPAS.

Technical Details of CVE-2023-31043

Explore the specifics of the CVE-2023-31043 vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

EPAS versions prior to 14.6.0 log passwords without redaction in specific conditions, compromising password confidentiality despite redaction settings.

Affected Systems and Versions

All EPAS versions preceding 14.6.0 are impacted, with versions 10.23.33, 11.18.29, 12.13.17, and 13.9.13 susceptible to this vulnerability.

Exploitation Mechanism

The vulnerability occurs when optional parameters are utilized alongside CREATE/ALTER USER/GROUP/ROLE commands, breaching the redaction configurations set by edb_filter_log.redact_password_commands.

Mitigation and Prevention

Discover the key steps to address and prevent the CVE-2023-31043 vulnerability, safeguarding EPAS installations from potential exploitation.

Immediate Steps to Take

Implement immediate measures to secure EPAS installations, including updating to version 14.6.0 and reviewing password logging configurations.

Long-Term Security Practices

To enhance long-term security, establish strict password handling policies and conduct regular security audits of EPAS installations.

Patching and Updates

Regularly apply security patches and updates released by EnterpriseDB to address vulnerabilities and enhance the overall security posture of EPAS installations.