CVE-2022-31197 : Vulnerability Insights and Analysis

A SQL Injection vulnerability in ResultSet.refreshRow() with malicious column names in pgjdbc has been discovered, impacting PostgreSQL JDBC Driver (PgJDBC) versions. Find out more about this security issue, its impact, and mitigation steps.

Understanding CVE-2022-31197

PostgreSQL JDBC Driver (PgJDBC) allows Java programs to connect to a PostgreSQL database. The vulnerability lies in the PGJDBC implementation of the

java.sql.ResultRow.refreshRow()

method, potentially leading to SQL injection attacks.

What is CVE-2022-31197?

The vulnerability in PgJDBC allows malicious users to execute additional SQL commands within an application's JDBC user context by exploiting a lack of column name escaping in the

refreshRow()

method.

The Impact of CVE-2022-31197

Users of affected PgJDBC versions may unwittingly execute SQL commands controlled by an attacker, posing a risk to data confidentiality, integrity, and availability.

Technical Details of CVE-2022-31197

Learn more about the specifics of the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from the lack of escaping in column names used with the

refreshRow()

method, opening the door to SQL injection attacks.

Affected Systems and Versions

PgJDBC versions >= 42.2.0 and < 42.2.26, as well as versions >= 42.3.0 and < 42.4.1, are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into executing SQL against tables with malicious column names and invoking the

refreshRow()

method on the ResultSet.

Mitigation and Prevention

Discover the recommended steps to address the CVE-2022-31197 vulnerability and enhance your overall security posture.

Immediate Steps to Take

Users are advised to upgrade to patched versions

42.2.26

or

42.4.1

to mitigate the vulnerability. No known workarounds are available.

Long-Term Security Practices

Implement secure coding practices, input validation, and least privilege access to limit the impact of potential SQL injection attacks.

Patching and Updates

Regularly monitor for security updates and apply patches promptly to stay protected against evolving threats.