This security bulletin contains one low risk vulnerability.
CWE-285 - Improper Authorization
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform unauthorized modification of data in database.
The vulnerability exists due to the
ALTER ... DEPENDS ON EXTENSION sub-commands do not perform authorization
checks, which can allow an unprivileged user to drop any function, procedure,
materialized view, index, or trigger under certain conditions. This attack is
possible if an administrator has installed an extension and an unprivileged
CREATE, or an extension owner either executes
predictably or can be convinced to execute
Install updates from vendor's website.Vulnerable software versions
PostgreSQL: 9.6.0 - 9.6.16, 10.0 - 10.11, 11.0 - 11.6, 12.0 - 12.1
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.