PostgreSQL Injection Scanner

PostgreSQL is a powerful, open-source object-relational database system widely used for applications ranging from web to data analytics. Developed by a lively community, it features extensibility and standards compliance. PostgreSQL is favored by developers and companies alike for its robustness, performance, and ease of use. It supports a broad range of SQL functionalities, advanced indexing, and custom data types. With support for concurrent operations, it efficiently powers both small and large-scale databases. PostgreSQL is utilized across industries for building scalable and reliable database solutions.

The Injection vulnerability in PostgreSQL refers to the ability of an attacker to execute arbitrary commands through extensions or database queries. This vulnerability typically arises due to insufficient validation of input data, potentially leading to direct interaction with the database engine. Attackers can exploit this flaw to manipulate SQL queries, retrieve sensitive data, or execute malicious code. It is crucial to identify and patch this vulnerability to safeguard the integrity and security of database applications. This issue can significantly impact systems and user data, putting both at risk if exploited.

The PostgreSQL Injection vulnerability involves manipulating SQL queries through the use of database extensions and parameters. Attackers can execute arbitrary code by crafting specialized queries that exploit the extension mechanism. The vulnerability becomes apparent when handling untrusted input that is directly incorporated into SQL statements. This can lead to unintended command execution, particularly if the SQL user has elevated privileges. By leveraging the extension compatibility feature, an attacker can escalate privileges across the affected database system. Monitoring and restricting extension usage are critical to mitigating this risk.

When exploited, the PostgreSQL Injection vulnerability can lead to severe consequences, including unauthorized data access, data loss, and system compromise. Malicious entities could extract, alter, or delete sensitive information, leading to data breaches. Furthermore, attackers could potentially gain control over the database server, affecting the overall infrastructure. This could result in service disruptions, compliance issues, and reputational damage. To mitigate these effects, it is vital to employ robust security measures, regular audits, and code reviews.

REFERENCES

• https://www.dionach.com/postgresql-9-x-remote-command-execution/
• https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/SQL%20Injection/PostgreSQL%20Injection.md#using-libcso6
• https://hacktricks.boitatech.com.br/pentesting-web/sql-injection/postgresql-injection/rce-with-postgresql-extensions