K34120074 : PostgreSQL vulnerability CVE-2020-1720

Security Advisory Description

A flaw was found in PostgreSQL’s “ALTER … DEPENDS ON EXTENSION”, where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17. (CVE-2020-1720)

Impact

An authenticated attacker can use this flaw in certain configurations to perform drop objects such as, but not limited to, functions and triggers which may lead to database corruption and potential loss of BIG-IQ service.