aiven-extras is a PostgreSQL extension. This is a privilege escalation vulnerability, allowing elevation to superuser inside PostgreSQL databases that use the aiven-extras package. The vulnerability leverages the format function not being schema-prefixed. Affected users should install 1.1.16 and ensure they run the latest version issuing ALTER EXTENSION aiven_extras UPDATE TO 1.1.16 after installing it. This needs to happen in each database aiven_extras has been installed in.
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product’s direct control.
This might allow attackers to execute their own programs, access unauthorized data files, or modify configuration in unexpected ways. If the product uses a search path to locate critical resources such as programs, then an attacker could modify that search path to point to a malicious program, which the targeted product would then execute. The problem extends to any type of critical resource that the product trusts. Some of the most common variants of untrusted search path are: