CVE-2018-1058 : Security Advisory and Response

An issue was discovered in the manner in which PostgreSQL permitted a user to alter the functioning of a query for other users, potentially allowing code execution within the database with superuser privileges.

Understanding CVE-2018-1058

What is CVE-2018-1058?

A flaw in PostgreSQL versions 9.3 to 10 allowed users to modify query behavior, enabling attackers to execute code with superuser permissions.

The Impact of CVE-2018-1058

This vulnerability could be exploited by an individual with a user account to execute arbitrary code within the database, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2018-1058

Vulnerability Description

PostgreSQL allowed users to alter query behavior, leading to potential code execution with superuser privileges.

Affected Systems and Versions

Product: PostgreSQL
Vendor: The PostgreSQL Global Development Group
Versions Affected: 9.3 to 10

Exploitation Mechanism

Attackers with user accounts could exploit the vulnerability to execute code within the database with the privileges of a superuser.

Mitigation and Prevention

Immediate Steps to Take

Update PostgreSQL to a patched version.
Monitor for any unauthorized access or unusual database activity.

Long-Term Security Practices

Implement the principle of least privilege for database users.
Regularly review and update database security configurations.

Patching and Updates

Apply security patches provided by PostgreSQL to address this vulnerability.