Vulnerability identifier: #VU7873
Vulnerability risk: Low
Exploitation vector: Network
The vulnerability allows a remote attacker to bypass authentication on the target system.
The weakness exists in the systems using libpq or a libpq-based connection driver to perform password-based authentication methods due to insufficient security restrictions. A remote attacker can submit an empty password to disable password login and log in to the system.
Successful exploitation of the vulnerability may result in unauthorized access to the system and further attacks.
The vulnerability is addressed in the following versions: 9.2.22, 9.3.18, 9.4.13, 9.5.8, 9.6.4.
Vulnerable software versions
PostgreSQL: 9.2.1 - 9.2.21, 9.3.1 - 9.3.17, 9.4.0 - 9.4.12, 9.5.0 - 9.5.7, 9.6.0 - 9.6.3
Fixed software versions
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?