This security bulletin contains one low risk vulnerability.
The vulnerability allows a remote authenticated attacker to execute arbitrary SQL commands in web application database.
The vulnerability exists due to insufficient sanitization of statements involving CREATE TRIGGER REFERENCING. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL commands in web application database when running the pg_upgrade utility on the database or during a pg_dump utility dump/restore cycle.
Successful exploitation of the vulnerability may allow an attacker to gain administrative access to vulnerable web application.Mitigation
The vulnerability has been fixed in the versions 10.6, 11.1.Vulnerable software versions
PostgreSQL: 10.0 - 11.0Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?