SB2020120702 - Gentoo update for PostgreSQL

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2020-25694)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can perform a man-in-the-middle attack or observe clear-text transmissions and downgrade connection security settings.

2) SQL injection (CVE-ID: CVE-2020-25695)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote authenticated attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

3) Input validation error (CVE-ID: CVE-2020-25696)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the "\gset" meta-command does not distinguish variables that control psql behavior. A remote attacker can execute arbitrary code as the operating system account.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/
• https://security.gentoo.org/glsa/202012-07